CN104406099A - Display backlight structure capable of reducing bright light harm - Google Patents
Display backlight structure capable of reducing bright light harm Download PDFInfo
- Publication number
- CN104406099A CN104406099A CN201410721836.0A CN201410721836A CN104406099A CN 104406099 A CN104406099 A CN 104406099A CN 201410721836 A CN201410721836 A CN 201410721836A CN 104406099 A CN104406099 A CN 104406099A
- Authority
- CN
- China
- Prior art keywords
- light
- guide plate
- light guide
- filter coating
- diffusion sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Abstract
The invention provides a display backlight structure capable of reducing blue light harm, the display backlight structure including a light guide plate, a reflector plate, a lower diffusion plate, an upper diffusion plate, a brightness enhancement plate, a filer film and positioning holes, wherein the reflector plate is positioned below the light guide plate; the lower diffusion plate, the upper diffusion plate and the brightness enhancement plate are sequentially arranged on the light guide plate; the filter film is positioned on the incident plane of the light guide plate; the filter film filters light waves with wave lengths from 380 microns to 420 microns; the positioning holes are positioned in the invisible ranges of the light guide plate, the reflector plate, the lower diffusion plate, the upper diffusion plate, the brightness enhancement plate and the filer film. The display backlight structure provided by the invention can be applied to various display devices. The display backlight structure is a display product which is low in cost and efficient and can reduce shortwave blue light, and can achieve the purpose of protecting the vision and health of users.
Description
Technical field
The present invention relates to the backlight of display device, particularly reduce the display backlight structure of blue light harm.
Background technology
Current masses are more deep to the understanding of uv damage eyes, but high energy shortwave blue light to the extent of injury of human eye not second to ultraviolet power, just there is the knowledge blind area understood blue light in a lot of people.In fact, in visible ray, blue light is a kind of high energy short wavelength light having energy, blue light can just penetrate the crystalline lens of glasses easily and reach retina place, entire glasses is caused to a kind of infringement of spectrochemical property, the oxidizing process of eyes macular region can be accelerated rapidly and injury is greatly produced to eyes.High energy shortwave blue light, to eye ground and lenticular destruction, is called " blue light injury " phenomenon.
Especially teen-age crystalline lens is limpid especially, equally can not carry out adjustment to blue light with adult to filter, blue light is also easy to bring out amphiblestroid pathology at the bottom of teenagers eyes simultaneously, in addition, because lenticular yellow is grown, blue light injects the degree of eyes and quantity also has very large relation with the age, when 7 to 19 years old, blue light is injected eye ground and is about 85%, more than the adult of other age brackets is many, at this point, the period that blue light exists greateset risk and maximum injury to eyes is exactly adolescence, therefore for teenager, prevention high energy shortwave blue light must be learned to the injury of own health.Teenager every day, as ipad and TV etc., these electronic products also can send strong blue light, can say, blue light is ubiquitous to teen-age injury in the face of various screen light source.So far still do not have effective medicine to stop blue light to retina and lenticular injury, and physical principle can only be taked to carry out pre-anti-blue light injury.
How the main machine of current technical research is avoided endangering maximum high energy shortwave blue light (main concentrated 380um to 420um light wave) to human eye. avoid blue light harm for reaching, prior art is mainly through changing the lampshade of white LED luminary, by adding yellow fluorescent powder, the blue light wave in the LED of reduction.
Above mainly for the part of LED light emitting source, the method has born deficiency, can only be defined in the lampshade of LED.But for other fluorescent lamp and other illuminating sources, have no idea to reach and reduce blue light harm.Absorb as passing through, the blue light harm part in restriction paths path is then the part of techno-absence instantly.
In existing display device, equipment self cannot reduce or filter blue light harm, mainly by the mode of anti-blue glasses or film on surface. and this mode causes quite not convenient to user, and needs maintenance, does not possess the convenience of use.
Summary of the invention
The object of the invention is to provide a kind of display backlight structure and preparation method thereof reducing blue light harm, for the backing structure of the display device of various light source, can realize by this case method the object that display backlight reduces or reduce blue light harm.
The invention provides the display backlight structure reducing blue light harm, it is characterized in that, comprising: comprising: light guide plate, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece, filter coating and locating hole; Described reflector plate is positioned at the below of described light guide plate; Described lower diffusion sheet, upper diffusion sheet, brightening piece are set in turn in above described light guide plate; Described filter coating is positioned at the plane of light incidence of light guide plate; Described filter coating wavelength-filtered is the light wave of 380um to 420um; Described locating hole is positioned at light guide plate, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece and filter coating invisible range.
In an embodiment of the present invention, described filter coating comprises matrix and light-absorbing material layer, and described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um.
In an embodiment of the present invention, the film that the plane of light incidence that described filter coating is sprayed at described light guide plate by the masking liquid that filters is formed.
Preferably, described optical filtering masking liquid comprises bed material and auxiliary material; Described bed material is polyacrylic resin, mylar or both mixtures; Described auxiliary material is YAG yellow fluorescent powder, spread powder and whitening powder; Wherein the incorporation of each component by weight percentage, is respectively: bed material 60-65%; YAG yellow fluorescent powder 25-30%; Spread powder 5-10%; Whitening powder 5-10%.
Another kind provided by the invention reduces the display backlight structure of blue light harm, it is characterized in that, comprising: light guide plate, backlight, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece, filter coating and locating hole; Described backlight is positioned at light guide plate side; Described reflector plate is positioned at below described light guide plate; Described filter light film is positioned at the beam projecting face of described light guide plate; Described lower diffusion sheet, upper diffusion sheet, brightening piece are set in turn in above described filter coating; Described filter coating wavelength-filtered is the light wave of 380um to 420um; Described locating hole is in described light guide plate and filter coating invisible range.
In an embodiment of the present invention, described filter coating comprises matrix and light-absorbing material layer, and described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um.
In an alternative embodiment of the invention, the top that described filter coating is sprayed at described light guide plate by the masking liquid that filters forms, and described optical filtering masking liquid wavelength-filtered is the light wave of 380um to 420um.
Preferably, described optical filtering masking liquid comprises bed material and auxiliary material; Described bed material is polyacrylic resin, mylar or both mixtures; Described auxiliary material is YAG yellow fluorescent powder, spread powder and whitening powder; Wherein the incorporation of each component by weight percentage, is respectively: bed material 60-65%; YAG yellow fluorescent powder 25-30%; Spread powder 5-10%; Whitening powder 5-10%.
The display backlight structure of reduction blue light harm provided by the invention, can be used on all kinds of display devices, not change original backing structure, not have too large color and intensity loss.The present invention has the following advantages: cost is low, the blue light of shortwave, the protection user vision health that reduce display screen efficiently.The present invention also provides the preparation method of the display backlight structure reducing blue light harm, and the main preparation methods of its filter coating is sprayed on light guide plate by the masking liquid that filters and is formed, and compares laminating type, is conducive to light propagation efficiency and promotes further.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is another embodiment of the present invention structural representation.
Detailed description of the invention
The invention provides the display backlight structure reducing blue light harm, it is characterized in that, comprising: light guide plate, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece, filter coating and locating hole; Described reflector plate is positioned at the below of described light guide plate; Described lower diffusion sheet, upper diffusion sheet, brightening piece are set in turn in above described light guide plate; Described filter coating is positioned at the plane of light incidence of light guide plate; Described filter coating wavelength-filtered is the light wave of 380um to 420um; Described locating hole is positioned at light guide plate, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece and filter coating invisible range.
In an embodiment of the present invention, described filter coating comprises matrix and light-absorbing material layer, and described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um.
In an alternative embodiment of the invention, filter coating can be sprayed at the plane of light incidence of described light guide plate by optical filtering masking liquid.Realized by plated film mode, by filtering functions masking liquid good for proportioning, by the mode of spraying, uniformly spray the plane of light incidence at light guide plate, form very thin plated film.Compare laminating type, be conducive to light propagation efficiency and promote further.This optical filtering spray coating liquor filters the light wave of blue color spectrum 380um to 420um.
Its preparation method comprises the following steps: step S01: carry out polishing to light guide plate, increases the penetrance of light; Step S02: at the plane of light incidence place of light guide plate, increase by a filter coating, described filter coating wavelength-filtered is the light wave of 380um to 420um; Step S03: increase by a locating hole at described light guide plate and blooming piece invisible range, light guide sheet and blooming piece are fitted tightly can not drift about.
In an embodiment of the present invention, described filter coating comprises matrix and light-absorbing material layer, and described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um; Smooth treatment is carried out to the surface of described filter coating, filter coating and light guide plate can be fitted tightly.
In an alternative embodiment of the invention, the top that described filter coating is sprayed at light guide plate by the masking liquid that filters forms; Described optical filtering masking liquid comprises bed material and auxiliary material; Described bed material is polyacrylic resin, mylar or both mixtures; Described auxiliary material is YAG yellow fluorescent powder, spread powder and whitening powder; Wherein the incorporation of each component by weight percentage, is respectively: bed material 60-65%; YAG yellow fluorescent powder 25-30%; Spread powder 5-10%; Whitening powder 5-10%.
In one preferred embodiment, the incorporation of each component by weight percentage, is respectively: bed material 60%; YAG yellow fluorescent powder 25%; Spread powder 5%; Whitening powder 5%.
In another preferred embodiment, the incorporation of each component by weight percentage, is respectively: bed material 62.5%; YAG yellow fluorescent powder 30%; Spread powder 7%; Whitening powder 8%.
Fig. 1 is the structural representation of one embodiment of the invention, this is a kind of downward back photo structure common on the market, backlight 3 is LED light emitting diode, be positioned at immediately below light guide plate 1, therefore the plane of light incidence of light guide plate 1 is the below of light guide plate, therefore filter coating 7 is arranged at the below of light guide plate 1.Above light guide plate successively attach under diffusion sheet 4, on diffusion sheet 5 and bright enhancement film 6.The invention provides backing structure to be arranged at below display screen 9, be applicable to various display device.
The present invention also provides a kind of display backlight structure reducing blue light harm, it is characterized in that, comprising: light guide plate 1, backlight 3, reflector plate 2, lower diffusion sheet 4, upper diffusion sheet 5, brightening piece 6, filter coating 7 and locating hole 8; Described backlight 3 is positioned at light guide plate 1 side; Described reflector plate 2 is positioned at below described light guide plate 1; Described filter light film 7 is positioned at the beam projecting face of described light guide plate 1; Described lower diffusion sheet 4, upper diffusion sheet 5, brightening piece 6 are set in turn in above described filter coating 7; Described filter coating 7 wavelength-filtered is the light wave of 380um to 420um; Described locating hole 8 is in described light guide plate 1 and filter coating 7 invisible range.
In an embodiment of the present invention, described filter coating comprises matrix and light-absorbing material layer, and described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um.
In an alternative embodiment of the invention, filter coating can be sprayed at the plane of light incidence of described light guide plate by optical filtering masking liquid.Realized by plated film mode, by filtering functions masking liquid good for proportioning, by the mode of spraying, uniformly spray the plane of light incidence at light guide plate, form very thin plated film.Compare laminating type, be conducive to light propagation efficiency and promote further.This optical filtering spray coating liquor filters the light wave of blue color spectrum 380um to 420um.
Its preparation method comprises the following steps: step S01: carry out polishing to light guide plate, increases the penetrance of light; Step S02: at the plane of light incidence place of light guide plate, increase by a filter coating, described filter coating wavelength-filtered is the light wave of 380um to 420um; Step S03: increase by a locating hole at described light guide plate and blooming piece invisible range, light guide sheet and blooming piece are fitted tightly can not drift about.
In an embodiment of the present invention, described filter coating comprises matrix and light absorbent, and described light absorbent is the organic light-absorbing material layer be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um; Smooth treatment is carried out to the surface of described filter coating, filter coating and light guide plate can be fitted tightly.
In an alternative embodiment of the invention, the top that described filter coating is sprayed at light guide plate by the masking liquid that filters forms; Described optical filtering masking liquid comprises bed material and auxiliary material; Described bed material is polyacrylic resin, mylar or both mixtures; Described auxiliary material is YAG yellow fluorescent powder, spread powder and whitening powder; Wherein the incorporation of each component by weight percentage, is respectively: bed material 60-65%; YAG yellow fluorescent powder 25-30%; Spread powder 5-10%; Whitening powder 5-10%.
In one preferred embodiment, the incorporation of each component by weight percentage, is respectively: bed material 60%; YAG yellow fluorescent powder 25%; Spread powder 5%; Whitening powder 5%.
In another preferred embodiment, the incorporation of each component by weight percentage, is respectively: bed material 62.5%; YAG yellow fluorescent powder 30%; Spread powder 7%; Whitening powder 8%.
Fig. 2 is the structural representation of another embodiment of the present invention, and this is a kind of side-light backlight structure common on the market, and backlight 3 is positioned at the side of light guide plate 1, and the plane of light incidence of light guide plate 1 is the side of light guide plate.Therefore filter coating 7 can be arranged at the top of described light guide plate 1.Above filter coating 7 successively attach under diffusion sheet 4, on diffusion sheet 5 and bright enhancement film 6.Backing structure provided by the invention is arranged under display screen 9, is applicable to various display device.
In the present invention, give light place that filter coating optimum position is light guide plate or the beam projecting place at light guide plate, but the optimum position of filter coating can change in display screen dissimilar in actual applications, but do not affect its filtering blue light function.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (8)
1. reduce the display backlight structure of blue light harm, it is characterized in that, comprising: light guide plate, backlight, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece, filter coating and locating hole; Described backlight is positioned at the below of described light guide plate; Described reflector plate is positioned at the below of described backlight; Described lower diffusion sheet, upper diffusion sheet, brightening piece are set in turn in above described light guide plate; Described filter coating is positioned at the plane of light incidence of light guide plate; Described filter coating wavelength-filtered is the light wave of 380um to 420um; Described locating hole is positioned at light guide plate, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece and filter coating invisible range.
2. the display backlight structure of reduction blue light harm according to claim 1, it is characterized in that: described filter coating comprises matrix and light-absorbing material layer, described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um.
3. the display backlight structure of reduction blue light harm according to claim 1, is characterized in that: the film that the plane of light incidence that described filter coating is sprayed at described light guide plate by the masking liquid that filters is formed, the light wave of this optical filtering spray coating liquor wavelength-filtered 380um to 420um.
4. the display backlight structure of reduction blue light harm according to claim 3, is characterized in that: described optical filtering masking liquid comprises bed material and auxiliary material; Described bed material is polyacrylic resin, mylar or both mixtures; Described auxiliary material is YAG yellow fluorescent powder, spread powder and whitening powder; Wherein the incorporation of each component by weight percentage, is respectively: bed material 60-65%; YAG yellow fluorescent powder 25-30%; Spread powder 5-10%; Whitening powder 5-10%.
5. reduce the display backlight structure of blue light harm, it is characterized in that, comprising: light guide plate, backlight, reflector plate, lower diffusion sheet, upper diffusion sheet, brightening piece, filter coating and locating hole; Described backlight is positioned at light guide plate side; Described reflector plate is positioned at below described light guide plate; Described filter light film is positioned at the beam projecting face of described light guide plate; Described lower diffusion sheet, upper diffusion sheet, brightening piece are set in turn in above described filter coating; Described filter coating wavelength-filtered is the light wave of 380um to 420um; Described locating hole is in described light guide plate and filter coating invisible range.
6. the display backlight structure of reduction blue light harm according to claim 5, it is characterized in that: described filter coating comprises matrix and light-absorbing material layer, described light-absorbing material layer is the organic light absorbent be located in described matrix, and the absorbing wavelength of described light absorbent comprises 380um to 420um.
7. the display backlight structure of reduction blue light harm according to claim 5, it is characterized in that: the top that described filter coating is sprayed at described light guide plate by the masking liquid that filters forms, described optical filtering masking liquid wavelength-filtered is the light wave of 380um to 420um.
8. the display backlight structure of reduction blue light harm according to claim 7, is characterized in that: described optical filtering masking liquid comprises bed material and auxiliary material; Described bed material is polyacrylic resin, mylar or both mixtures; Described auxiliary material is YAG yellow fluorescent powder, spread powder and whitening powder; Wherein the incorporation of each component by weight percentage, is respectively: bed material 60-65%; YAG yellow fluorescent powder 25-30%; Spread powder 5-10%; Whitening powder 5-10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721836.0A CN104406099A (en) | 2014-12-03 | 2014-12-03 | Display backlight structure capable of reducing bright light harm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721836.0A CN104406099A (en) | 2014-12-03 | 2014-12-03 | Display backlight structure capable of reducing bright light harm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104406099A true CN104406099A (en) | 2015-03-11 |
Family
ID=52643748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410721836.0A Pending CN104406099A (en) | 2014-12-03 | 2014-12-03 | Display backlight structure capable of reducing bright light harm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104406099A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898319A (en) * | 2015-06-05 | 2015-09-09 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104914625A (en) * | 2015-06-24 | 2015-09-16 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104992628A (en) * | 2015-08-11 | 2015-10-21 | 京东方科技集团股份有限公司 | Thin film substrate and display device |
| CN105974578A (en) * | 2016-07-26 | 2016-09-28 | 昆山龙腾光电有限公司 | Reflection plate, backlight module and display device |
| WO2017049889A1 (en) * | 2015-09-23 | 2017-03-30 | 京东方科技集团股份有限公司 | Display apparatus |
| CN106678613A (en) * | 2016-11-17 | 2017-05-17 | 深圳市捷智天成科技有限公司 | Light filter film for filtering blue light and backlight module |
| CN108594353A (en) * | 2018-02-10 | 2018-09-28 | 安徽壁虎智能科技有限公司 | A kind of eye-protecting type light guide plate and its manufacturing method |
| TWI680316B (en) * | 2019-07-05 | 2019-12-21 | 凌巨科技股份有限公司 | Illumination system and display apparatus thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591127A (en) * | 2003-09-03 | 2005-03-09 | 友达光电股份有限公司 | Back-to-light module |
| US20060002678A1 (en) * | 2004-06-30 | 2006-01-05 | Weber Michael F | Phosphor based illumination system having a long pass reflector and method of making same |
| CN101017215A (en) * | 2005-09-28 | 2007-08-15 | 山本光学株式会社 | Optical article |
| CN202171710U (en) * | 2011-09-06 | 2012-03-21 | 广东欧珀移动通信有限公司 | Structure for reducing LCD backlight radiation |
| CN102401325A (en) * | 2011-07-12 | 2012-04-04 | 苏州昆仑工业设计有限公司 | Light filter made of organic material capable of reducing light-emitting diode (LED) blue light harm |
| CN103151441A (en) * | 2013-02-01 | 2013-06-12 | 上海祥羚光电科技发展有限公司 | White light light-emitting diode (LED) lighting secondary encapsulation technology capable of reducing blue light hazard |
| CN103296179A (en) * | 2013-05-30 | 2013-09-11 | 上海祥羚光电科技发展有限公司 | White LED lamp secondary encapsulation structure capable of reducing blue-light hazards |
| CN204213761U (en) * | 2014-12-03 | 2015-03-18 | 福建捷联电子有限公司 | A kind of display backlight structure reducing blue light harm |
-
2014
- 2014-12-03 CN CN201410721836.0A patent/CN104406099A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591127A (en) * | 2003-09-03 | 2005-03-09 | 友达光电股份有限公司 | Back-to-light module |
| US20060002678A1 (en) * | 2004-06-30 | 2006-01-05 | Weber Michael F | Phosphor based illumination system having a long pass reflector and method of making same |
| US7204631B2 (en) * | 2004-06-30 | 2007-04-17 | 3M Innovative Properties Company | Phosphor based illumination system having a plurality of light guides and an interference reflector |
| CN101017215A (en) * | 2005-09-28 | 2007-08-15 | 山本光学株式会社 | Optical article |
| CN102401325A (en) * | 2011-07-12 | 2012-04-04 | 苏州昆仑工业设计有限公司 | Light filter made of organic material capable of reducing light-emitting diode (LED) blue light harm |
| CN202171710U (en) * | 2011-09-06 | 2012-03-21 | 广东欧珀移动通信有限公司 | Structure for reducing LCD backlight radiation |
| CN103151441A (en) * | 2013-02-01 | 2013-06-12 | 上海祥羚光电科技发展有限公司 | White light light-emitting diode (LED) lighting secondary encapsulation technology capable of reducing blue light hazard |
| CN103296179A (en) * | 2013-05-30 | 2013-09-11 | 上海祥羚光电科技发展有限公司 | White LED lamp secondary encapsulation structure capable of reducing blue-light hazards |
| CN204213761U (en) * | 2014-12-03 | 2015-03-18 | 福建捷联电子有限公司 | A kind of display backlight structure reducing blue light harm |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898319A (en) * | 2015-06-05 | 2015-09-09 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104914625A (en) * | 2015-06-24 | 2015-09-16 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104914625B (en) * | 2015-06-24 | 2018-04-13 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104992628A (en) * | 2015-08-11 | 2015-10-21 | 京东方科技集团股份有限公司 | Thin film substrate and display device |
| WO2017049889A1 (en) * | 2015-09-23 | 2017-03-30 | 京东方科技集团股份有限公司 | Display apparatus |
| US10534118B2 (en) | 2015-09-23 | 2020-01-14 | Boe Technology Group Co., Ltd. | Display device |
| CN105974578A (en) * | 2016-07-26 | 2016-09-28 | 昆山龙腾光电有限公司 | Reflection plate, backlight module and display device |
| CN106678613A (en) * | 2016-11-17 | 2017-05-17 | 深圳市捷智天成科技有限公司 | Light filter film for filtering blue light and backlight module |
| CN108594353A (en) * | 2018-02-10 | 2018-09-28 | 安徽壁虎智能科技有限公司 | A kind of eye-protecting type light guide plate and its manufacturing method |
| TWI680316B (en) * | 2019-07-05 | 2019-12-21 | 凌巨科技股份有限公司 | Illumination system and display apparatus thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204213761U (en) | A kind of display backlight structure reducing blue light harm | |
| CN104406099A (en) | Display backlight structure capable of reducing bright light harm | |
| CN104409592A (en) | LED (light emitting diode), light guide plate, backlight module and display device | |
| US20150301407A1 (en) | Display Panel with Reduced Short-Wavelength Blue Light | |
| CN106950632A (en) | A kind of quantum dot filter blue Light Film and its display | |
| CN104950515A (en) | Display panel with short wave blue light restraining function | |
| CN105295279A (en) | Optical protecting material preventing ultraviolet light and blue light | |
| US11367811B2 (en) | White light emitting diode and backlight module | |
| CN104406126A (en) | Coating capable of resisting blue light and improving color rendering property and application thereof | |
| US20200321494A1 (en) | Red phosphor, white light emitting diode, and backlight module | |
| CN204829331U (en) | Separation blue light anti -dazzle LED lamp | |
| CN105527754A (en) | Backlight module and display device | |
| CN108663853A (en) | Liquid crystal display panel, liquid crystal display device and liquid crystal display panel preparation method | |
| TWI533014B (en) | Eye protection module and its display device | |
| CN104070753A (en) | Blue light blocking film and manufacturing process thereof | |
| CN204506028U (en) | A kind of novel anti-blue light safety glass film | |
| CN105700060A (en) | Side light emitting type light guide board structure | |
| CN112467014A (en) | Quantum dot eye protection structure and manufacturing method thereof | |
| CN204740363U (en) | Strain blue light optics diaphragm | |
| CN108646456A (en) | Display module and display device | |
| CN206209252U (en) | Filter the display panel of shortwave blue light | |
| CN207527396U (en) | A kind of Novel eye protection panel light | |
| CN104914625B (en) | Liquid crystal display device | |
| CN110082955A (en) | A kind of backlight module of anti-blue light | |
| CN207298530U (en) | LED backlight component and its display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |
|
| RJ01 | Rejection of invention patent application after publication |