CN111681568A - Method for eliminating blue light hazard of LED display screen and LED display screen - Google Patents
Method for eliminating blue light hazard of LED display screen and LED display screen Download PDFInfo
- Publication number
- CN111681568A CN111681568A CN202010705853.0A CN202010705853A CN111681568A CN 111681568 A CN111681568 A CN 111681568A CN 202010705853 A CN202010705853 A CN 202010705853A CN 111681568 A CN111681568 A CN 111681568A
- Authority
- CN
- China
- Prior art keywords
- led display
- display screen
- blue light
- green
- blue
- 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
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 239000003086 colorant Substances 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 34
- 239000012788 optical film Substances 0.000 claims description 34
- 239000011324 bead Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007738 vacuum evaporation Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 3
- KTXUOWUHFLBZPW-UHFFFAOYSA-N 1-chloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C=C(Cl)C=CC=2)=C1 KTXUOWUHFLBZPW-UHFFFAOYSA-N 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 210000000695 crystalline len Anatomy 0.000 description 1
- KBPHJBAIARWVSC-RGZFRNHPSA-N lutein Chemical compound C([C@H](O)CC=1C)C(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\[C@H]1C(C)=C[C@H](O)CC1(C)C KBPHJBAIARWVSC-RGZFRNHPSA-N 0.000 description 1
- 229960005375 lutein Drugs 0.000 description 1
- ORAKUVXRZWMARG-WZLJTJAWSA-N lutein Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C)C=CC=C(/C)C=CC2C(=CC(O)CC2(C)C)C ORAKUVXRZWMARG-WZLJTJAWSA-N 0.000 description 1
- 235000012680 lutein Nutrition 0.000 description 1
- 239000001656 lutein Substances 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004792 oxidative damage Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000008832 photodamage Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000009759 skin aging Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KBPHJBAIARWVSC-XQIHNALSSA-N trans-lutein Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC2C(=CC(O)CC2(C)C)C KBPHJBAIARWVSC-XQIHNALSSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- FJHBOVDFOQMZRV-XQIHNALSSA-N xanthophyll Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC2C=C(C)C(O)CC2(C)C FJHBOVDFOQMZRV-XQIHNALSSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a method for eliminating blue light hazard of an LED display screen and the LED display screen, and the method comprises the following steps: the surface of the LED display screen is provided with a blue light filter, and the blue light filter is used for cutting off blue light waves below 450 nm; adjusting the proportion of the red, green and blue colors of the LED display screen, and reducing the green component and the red component to enable the proportion of the green and blue colors of the LED display screen to be in a preset value; an optical processing film is arranged on the blue light filter and used for reducing reflection and eliminating mirror effect. A blue light filtering structure and an optical processing structure are added on the surface of the LED display screen to eliminate the harm of harmful blue light to human bodies. The blue filter may have a yellow surface color because part of the blue light is filtered out. And an optical processing film is added in front of the blue light filter to reduce the yellow bias and eliminate the mirror module effect of the LED display module. Meanwhile, the proportion of red, green and blue primary color components of the LED display screen is adjusted, the green and red components are reduced, and the LED display screen can display accurate colors.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a method for eliminating blue light hazard of an LED display screen and the LED display screen.
Background
The LED display screen is an electronic display screen formed by LED lattices, the display content forms of the screen, such as characters, animations, pictures and videos, are changed in time by lightening and extinguishing red, green and blue lamp beads, the display of components is controlled by a modular structure, and the LED display screen is mainly divided into a display module, a control system and a power supply system. The display module is a screen consisting of LED lamp dot arrays and emits light; the control system realizes the conversion of the content displayed on the screen under the on-off condition in the regulation area; the power supply system converts the input voltage and current to meet the requirement of the display screen. The LED screen can realize conversion between different forms of multiple information presentation modes, can be used indoors and outdoors, and has incomparable advantages compared with other display screens. The novel LED lamp is developed rapidly and widely applied to various fields by virtue of the characteristics of high brightness intensity, low work power consumption, low voltage requirement, small and exquisite equipment, convenience, long service life, impact resistance, stability and strong external interference resistance.
The light-emitting wavelength range of the blue LED lamp of the existing LED display screen is very wide, and the wavelength range of 400-510nm is covered. The 400-plus 455nm blue light has a large damage to eyes, passes through crystalline lenses to reach retinas, causes the loss of eye lutein, causes damages such as macula lutea pathological changes and eye fatigue, and simultaneously, the blue light penetrates deep into the bottom layer of skin, causes the oxidative damage of cell DNA, and causes various skin aging phenomena such as roughness, color spots, wrinkles and the like. The blue LED lamp of the LED display screen carries relatively large energy in the wavelength range of 430nm-455nm, and has relatively large damage to human bodies. At present, a large number of LED display screens enter daily life, enter families and classrooms, and the problem of blue light hazard of the LED display screens is urgently needed to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for eliminating blue light harm of an LED display screen and the LED display screen, and aims to solve the technical problem of blue light harm of the existing LED display screen.
In order to solve the technical problems, the technical scheme of the invention is as follows:
in one aspect of the present invention, a method for eliminating blue light hazard of an LED display screen is provided, the method comprising:
the method comprises the following steps that a blue light filter is arranged on the surface of an LED display screen and used for cutting off blue light waves below 450 nm;
and adjusting the proportion of the red, green and blue colors of the LED display screen, and reducing the green component and the red component to ensure that the proportion of the green and blue colors of the LED display screen is in a preset value.
Further, the method for eliminating the blue light hazard of the LED display screen further comprises the following steps:
and arranging an optical processing film on the blue light filter, wherein the optical processing film is used for reducing reflection and eliminating mirror effect.
Further, the adjusting of the proportions of the three colors of red, green and blue of the LED display screen reduces the green component and the red component, so that the proportions of the three colors of green and blue of the LED display screen at the preset values specifically includes:
and acquiring proportion preset values of the red, green and blue colors of the LED display screen and components of the red, green and blue colors, and reducing the green component and the red component through an LED driving module so that the proportion preset values are kept consistent.
In another aspect of the invention, an LED display screen is provided, which comprises an LED display module, wherein a blue light filter is arranged on the display surface of the LED display module, and an optical treatment film is arranged on the blue light filter.
Further, the LED display module comprises a PCB circuit board and a plurality of LED lamp beads arranged on the PCB circuit board, and the LED lamp beads are uniformly distributed on the PCB circuit board to form an LED display array; the blue light filter is arranged on the surface of the LED display array, and the optical processing film is arranged on the surface of the blue light filter.
Furthermore, the blue light filter comprises a first PET or PC optical film, and a vacuum evaporation filter film is arranged on the first PET or PC optical film.
Further, the optical treatment film comprises a second PET or PC optical film on which a UV printed mesh layer is disposed.
Further, the blue light filter comprises a first PET or PC optical film, and a vacuum sputtering filter film is arranged on the first PET or PC optical film; the optical treatment film comprises a second PET or PC optical film, and a UV printing grid layer is arranged on the second PET or PC optical film; the second PET or PC optical film is adhered to the surface of the first PET or PC optical film through an optical adhesive, and the first PET or PC optical film is adhered to the surface of the LED display array through the optical adhesive.
By adopting the technical scheme, the method for eliminating the blue light hazard of the LED display screen and the LED display screen thereof, provided by the embodiment of the invention, have the advantages that the blue light filtering structure and the optical processing structure are added on the surface of the LED display screen so as to eliminate the harm of harmful blue light to human bodies. The blue filter may have a yellow surface color because part of the blue light is filtered out. And an optical processing film is added in front of the blue light filter to reduce the yellow bias and eliminate the mirror module effect of the LED display module. Meanwhile, the proportion of red, green and blue primary color components of the LED display screen is adjusted, the green and red components are reduced, and the LED display screen can display accurate colors.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of a flow chart of a method for eliminating blue light hazard of an LED display screen according to an embodiment of the present invention;
FIG. 2 is a schematic view of the fixation of a blue light filter and an optical processing film of an LED display screen according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a blue filter of an LED display panel according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a blue light filter of an LED display screen according to an embodiment of the present invention;
FIG. 5 is a schematic top view of an optical processing film of an LED display panel according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional structural view of an optical processing film of an LED display screen according to an embodiment of the present invention;
FIG. 7 is a schematic spectrum diagram of an LED display screen according to an embodiment of the present invention;
in the figure, 10-LED display module, 11-PCB circuit board, 12-LED lamp bead, 13-optical cement, 20-blue light filter, 30-optical processing film, 21-first PET or PC optical film, 22-vacuum evaporation filter film, 31-second PET or PC optical film, and 32-UV printing grid layer.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a method for eliminating blue light hazard of an LED display screen, where the method includes:
s101, arranging a blue light filter on the surface of the LED display screen, wherein the blue light filter is used for cutting off blue light waves below 450 nm;
s102, adjusting the proportion of the red, green and blue colors of the LED display screen, and reducing the green component and the red component to enable the proportion of the green and blue colors of the LED display screen to be in a preset value.
S103, arranging an optical processing film on the blue light filter, wherein the optical processing film is used for reducing reflection and eliminating a mirror effect.
The LED display screen is an actively illuminated discrete dot-matrix display system, the light emitted by the LEDs reaching the external environment directly. The center wavelength of the blue LED is generally between 456-470nm, but the spectrum is very wide, and substantially covers 400-510nm, wherein the blue light in the 430-455nm wavelength band carries very strong energy. The 400-455nm blue light is most harmful to human body. As a common display device, people can watch the LED display screen for a long time, and the emitted blue light below 455nm can cause serious blue light damage. The band-pass filter is arranged on the LED display screen and attached to the surface of the LED display module, so that blue light below 455nm is filtered; and adding an optical processing film on the surface of the optical filter to eliminate the modularization effect. Because partial blue light is filtered, the color of the LED display screen is yellow, and meanwhile, the green and red components are properly reduced by adjusting the proportion of the three colors of the LED display screen, so that the accuracy of the displayed color is ensured. The embodiment can greatly reduce the damage of the blue light of the LED display screen to human eyes, and the LED display screen of healthy eye protection without the harm of the blue light is produced.
Specifically, the adjusting of the proportions of the three colors of red, green and blue of the LED display screen reduces the green component and the red component, so that the proportions of the three colors of green and blue of the LED display screen at the preset value specifically includes:
and acquiring proportion preset values of the red, green and blue colors of the LED display screen and components of the red, green and blue colors, and reducing the green component and the red component through an LED driving module so that the proportion preset values are kept consistent.
Because the LED display screen is composed of three primary colors of red, green and blue, different color temperatures can be formed according to different proportions, and generally speaking, the proportion of the three primary colors can be adjusted according to requirements. The parameters of each batch of lamp beads have differences, and can be adjusted according to the parameters of the LED lamp beads even during production. The LED display screen can be fixed a proportion according to the standard of leaving the factory, has added and has strained blue light membrane after, and the blue component can reduce, just needs to reduce green and red component simultaneously, ensures to be unanimous with the standard of leaving the factory. The blue wavelength range of each batch of LED lamp beads is different, is not a fixed value, and is a small section in a certain large range, namely the blue proportion filtered by each screen is different, and the adjusted proportion is also different.
Example 2
As shown in fig. 2, an embodiment of the present invention further provides an LED display screen, which includes an LED display module 10, wherein a blue light filter 20 is disposed on a display surface of the LED display module 10, and an optical processing film 30 is disposed on the blue light filter 20.
Specifically, the LED display module 10 includes a PCB 11 and a plurality of LED beads 12 disposed on the PCB 11, wherein the LED beads 12 are uniformly distributed on the PCB 11 to form an LED display array; the blue light filter 20 is arranged on the surface of the LED display array through optical cement 13, and the optical treatment film 30 is arranged on the surface of the blue light filter 20.
As shown in fig. 3 and 4, the blue light filter 20 includes a first PET or PC optical film 21, and a vacuum sputtering filter 22 is disposed on the first PET or PC optical film 21. An optical filter was fabricated on a thin film using a vacuum deposition technique using an optical thin film, and light having a cutoff of 450nm or less and a cutoff depth of 450nm or more was as high as OD5 (as shown in FIG. 7).
As shown in fig. 5 and 6, the optical treatment film 30 includes a second PET or PC optical film 31, and a UV printed mesh layer 32 is disposed on the second PET or PC optical film 31. Specifically, a high-light-transmission PC film or a film made of other materials is adopted, the outer layer is subjected to frosting, atomizing and matte treatment, and then the film is printed into a grid shape in a UV printing mode to eliminate the modularized mirror effect; and attaching the optical film to the surface of the blue light filter by using UV glue or other optical glue.
As shown in fig. 2, the blue light filter includes a first PET or PC optical film, and a vacuum sputtering filter film is disposed on the first PET or PC optical film; the optical treatment film comprises a second PET or PC optical film, and a UV printing grid layer is arranged on the second PET or PC optical film; the second PET or PC optical film is adhered to the surface of the first PET or PC optical film through an optical adhesive, and the first PET or PC optical film is adhered to the surface of the LED display array through the optical adhesive.
According to the method for eliminating the blue light hazard of the LED display screen and the LED display screen, disclosed by the embodiment of the invention, the blue light filtering structure and the optical processing structure are added on the surface of the LED display screen so as to eliminate the harm of harmful blue light to a human body. The blue filter may have a yellow surface color because part of the blue light is filtered out. And an optical processing film is added in front of the blue light filter to reduce the yellow bias and eliminate the mirror module effect of the LED display module. Meanwhile, the proportion of red, green and blue primary color components of the LED display screen is adjusted, the green and red components are reduced, and the LED display screen can display accurate colors.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
In the description of the present patent application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "row", "column", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of describing and simplifying the present patent application, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the novel aspects of the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present patent application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the patent of the invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "fixed", and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present patent can be understood by those skilled in the art according to specific situations.
In the patent of the invention, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Claims (8)
1. A method for eliminating blue light hazard of an LED display screen is characterized by comprising the following steps:
the method comprises the following steps that a blue light filter is arranged on the surface of an LED display screen and used for cutting off blue light waves below 450 nm;
and adjusting the proportion of the red, green and blue colors of the LED display screen, and reducing the green component and the red component to ensure that the proportion of the green and blue colors of the LED display screen is in a preset value.
2. The method for eliminating the blue light hazard of the LED display screen according to claim 1, further comprising the following steps:
and arranging an optical processing film on the blue light filter, wherein the optical processing film is used for reducing reflection and eliminating mirror effect.
3. The method according to claim 2, wherein the adjusting of the ratio of the three colors of red, green and blue of the LED display screen to reduce the green component and the red component so that the ratio of the three colors of green and blue of the LED display screen is at a preset value specifically comprises:
and acquiring proportion preset values of the red, green and blue colors of the LED display screen and components of the red, green and blue colors, and reducing the green component and the red component through an LED driving module so that the proportion preset values are kept consistent.
4. The LED display screen is used for realizing the method for eliminating the blue light hazard of the LED display screen as claimed in any one of claims 1 to 3, and is characterized by comprising an LED display module, wherein a blue light filter is arranged on the display surface of the LED display module, and an optical treatment film is arranged on the blue light filter.
5. The LED display screen of claim 4, wherein the LED display module comprises a PCB circuit board and a plurality of LED lamp beads arranged on the PCB circuit board, and the LED lamp beads are uniformly distributed on the PCB circuit board to form an LED display array; the blue light filter is arranged on the surface of the LED display array, and the optical processing film is arranged on the surface of the blue light filter.
6. The LED display screen of claim 4, wherein the blue light filter comprises a first PET or PC optical film, and a vacuum evaporation filter film is arranged on the first PET or PC optical film.
7. The LED display screen of claim 4, wherein the optical treatment film comprises a second PET or PC optical film on which a UV printed mesh layer is disposed.
8. The LED display screen of claim 5, wherein the blue light filter comprises a first PET or PC optical film, and a vacuum evaporation filter film is arranged on the first PET or PC optical film; the optical treatment film comprises a second PET or PC optical film, and a UV printing grid layer is arranged on the second PET or PC optical film; the second PET or PC optical film is adhered to the surface of the first PET or PC optical film through an optical adhesive, and the first PET or PC optical film is adhered to the surface of the LED display array through the optical adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010705853.0A CN111681568A (en) | 2020-07-21 | 2020-07-21 | Method for eliminating blue light hazard of LED display screen and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010705853.0A CN111681568A (en) | 2020-07-21 | 2020-07-21 | Method for eliminating blue light hazard of LED display screen and LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111681568A true CN111681568A (en) | 2020-09-18 |
Family
ID=72438157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010705853.0A Pending CN111681568A (en) | 2020-07-21 | 2020-07-21 | Method for eliminating blue light hazard of LED display screen and LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111681568A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843486A (en) * | 2021-01-22 | 2021-05-28 | 聊城市孩室宝家俱有限公司 | Health screen display control system for improving amblyopia by vision health management book clip |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401920A (en) * | 2011-07-12 | 2012-04-04 | 苏州昆仑工业设计有限公司 | Coated filter of reducing harmfulness of LED blue light |
| CN104558657A (en) * | 2014-12-31 | 2015-04-29 | 张家港康得新光电材料有限公司 | Anti-blue-light and anti-glare protective film |
| US20150212238A1 (en) * | 2014-01-28 | 2015-07-30 | Bing-Chen Chang | Screen protection sheet with function of blue light filtering |
| US20150301407A1 (en) * | 2014-04-17 | 2015-10-22 | Top Victory Investments Ltd. | Display Panel with Reduced Short-Wavelength Blue Light |
| CN206038944U (en) * | 2016-08-22 | 2017-03-22 | 广东小天才科技有限公司 | Prevent blue light screen structure |
| CN108641473A (en) * | 2018-07-16 | 2018-10-12 | 威创集团股份有限公司 | A kind of anti-blue light ink, display device and its manufacturing method |
| CN109215613A (en) * | 2018-09-20 | 2019-01-15 | 珠海市君天电子科技有限公司 | A kind of method, apparatus, electronic equipment and storage medium reducing blue light strength |
| CN212516395U (en) * | 2020-07-21 | 2021-02-09 | 深圳市大象视界科技有限公司 | LED display screen capable of eliminating blue light harm |
-
2020
- 2020-07-21 CN CN202010705853.0A patent/CN111681568A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401920A (en) * | 2011-07-12 | 2012-04-04 | 苏州昆仑工业设计有限公司 | Coated filter of reducing harmfulness of LED blue light |
| US20150212238A1 (en) * | 2014-01-28 | 2015-07-30 | Bing-Chen Chang | Screen protection sheet with function of blue light filtering |
| US20150301407A1 (en) * | 2014-04-17 | 2015-10-22 | Top Victory Investments Ltd. | Display Panel with Reduced Short-Wavelength Blue Light |
| CN104558657A (en) * | 2014-12-31 | 2015-04-29 | 张家港康得新光电材料有限公司 | Anti-blue-light and anti-glare protective film |
| CN206038944U (en) * | 2016-08-22 | 2017-03-22 | 广东小天才科技有限公司 | Prevent blue light screen structure |
| CN108641473A (en) * | 2018-07-16 | 2018-10-12 | 威创集团股份有限公司 | A kind of anti-blue light ink, display device and its manufacturing method |
| CN109215613A (en) * | 2018-09-20 | 2019-01-15 | 珠海市君天电子科技有限公司 | A kind of method, apparatus, electronic equipment and storage medium reducing blue light strength |
| CN212516395U (en) * | 2020-07-21 | 2021-02-09 | 深圳市大象视界科技有限公司 | LED display screen capable of eliminating blue light harm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843486A (en) * | 2021-01-22 | 2021-05-28 | 聊城市孩室宝家俱有限公司 | Health screen display control system for improving amblyopia by vision health management book clip |
| CN112843486B (en) * | 2021-01-22 | 2023-11-21 | 聊城市孩室宝家俱有限公司 | Health screen display control system for improving amblyopia by vision health management book clip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212516395U (en) | LED display screen capable of eliminating blue light harm | |
| US8215818B2 (en) | LED light box with photodetector control | |
| EP2257132A1 (en) | Illumination apparatus | |
| US8950892B2 (en) | Methods for combining light emitting devices in a white light emitting apparatus that mimics incandescent dimming characteristics and solid state lighting apparatus for general illumination that mimic incandescent dimming characteristics | |
| US20040218387A1 (en) | LED lighting arrays, fixtures and systems and method for determining human color perception | |
| US20070274093A1 (en) | LED backlight system for LCD displays | |
| US20120188759A1 (en) | Color correction method for illumination light, and light source module and lighting device using this color correction method | |
| WO2007087409B1 (en) | Night vision compatible display backlight | |
| CN103310739B (en) | direct type liquid crystal display device and driving method thereof | |
| US7995014B2 (en) | Method of increasing color gamut of a color display | |
| AU676712B2 (en) | Backlighting for liquid crystal display | |
| CN107219679A (en) | Backlight module of LED liquid crystal display | |
| CN111681568A (en) | Method for eliminating blue light hazard of LED display screen and LED display screen | |
| US8628206B1 (en) | Low cost backlight for NVIS compatible operation | |
| KR101269592B1 (en) | LED organization method for liquid crystal display module | |
| US20120147293A1 (en) | Redundant backlight for liquid crystal displays | |
| US8876326B1 (en) | Multi-mode LED edge-light for NVIS compatible operation | |
| US8292459B2 (en) | NVG compatible illumination device based on light-emitting diodes | |
| CN218298703U (en) | Lamp strip subassembly, backlight unit and display device | |
| CN112289781B (en) | LED display screen 3D image realization method and quantum dot LED display screen thereof | |
| KR20110113283A (en) | Light emitting diode backlight unit and liquid crystal display device having the same | |
| CN212322613U (en) | LED display screen based on persistence of vision | |
| CN101256312A (en) | Backlight source | |
| US8358386B2 (en) | Liquid crystal display device | |
| JP2009181883A (en) | Backlight device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |