CN114203033A - Prevent blue light display screen subassembly - Google Patents
Prevent blue light display screen subassembly Download PDFInfo
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- CN114203033A CN114203033A CN202111358073.4A CN202111358073A CN114203033A CN 114203033 A CN114203033 A CN 114203033A CN 202111358073 A CN202111358073 A CN 202111358073A CN 114203033 A CN114203033 A CN 114203033A
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- 238000009792 diffusion process Methods 0.000 claims abstract description 38
- 230000002265 prevention Effects 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 7
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 12
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 230000031700 light absorption Effects 0.000 claims description 4
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- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 210000000695 crystalline len Anatomy 0.000 description 32
- 230000004438 eyesight Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 108010043121 Green Fluorescent Proteins Proteins 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
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- Optics & Photonics (AREA)
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- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a blue light prevention display screen assembly which comprises a display main body, a backlight source assembly and a diffusion plate assembly, wherein the display main body comprises a display panel and a back plate which are sequentially stacked along the thickness direction of the display main body, and an installation cavity is defined between the display panel and the back plate; the backlight source assembly is arranged in the mounting cavity and comprises a light-emitting element and a blue-light prevention lens, the light-emitting side of the light-emitting element faces the display panel, the blue-light prevention lens is arranged between the light-emitting element and the display panel and covers the light-emitting side of the light-emitting element, and the blue-light prevention lens is used for absorbing harmful blue light emitted by the lamp strip; the diffusion plate component is arranged in the mounting cavity, the diffusion plate component is arranged on one side, close to the display panel, of the backlight source component, and the diffusion plate component is used for enlarging light emitted by the backlight source component. According to the invention, the blue light prevention lens is arranged to absorb the short-wave blue light, and the diffusion plate component diffuses the light emitted after absorbing the short-wave blue light, so that the blue light prevention display screen has the effect of absorbing harmful blue light and keeps the brightness of the screen.
Description
Technical Field
The invention relates to the technical field of blue light prevention, in particular to a blue light prevention display screen assembly.
Background
In recent years, electronic products are more and more popular, people increasingly use computers and mobile phones in daily life, and the electronic products can generate fluorescence in use, wherein the fluorescence contains a large amount of high-energy short-wave blue light with the wavelength of 380nm to 480nm, and the short-wave blue light can penetrate through the crystalline lens of human eyes to reach the retina, so that the eyesight of the human is damaged.
The blue light pad pasting is prevented in the application of current blue light display screen, reduces the injury to people's eye, perhaps sets up the refraction board of a plurality of specific positions, avoids the direct short wave blue light of high energy of directly seeing of people's eye, nevertheless current prevent that blue light technique all can reduce the luminance of display screen, makes people more hard when watching the screen, not only does not play the effect of protection eyesight, damages eyesight on the contrary more.
Disclosure of Invention
The invention mainly aims to provide a blue light prevention display screen assembly, aiming at ensuring the blue light prevention effect of a display screen and ensuring the brightness of the display screen.
In order to achieve the above object, the present invention provides a blue light prevention display screen assembly, comprising: the display device comprises a display main body, a display panel and a back plate, wherein the display main body comprises the display panel and the back plate which are sequentially stacked along the thickness direction of the display main body, and an installation cavity is defined between the display panel and the back plate;
the backlight source assembly is arranged in the mounting cavity and comprises a light-emitting element and a blue-light prevention lens, the light-emitting side of the light-emitting element faces the display panel, the blue-light prevention lens is arranged between the light-emitting element and the display panel and covers the light-emitting side of the light-emitting element, and the blue-light prevention lens is used for absorbing blue light of which the peak wavelength emitted by the light-emitting element is within a preset waveband; and the number of the first and second groups,
the diffusion plate component is arranged in the mounting cavity, the diffusion plate component is arranged on one side, close to the display panel, of the backlight source component, and the diffusion plate component is used for expanding light emitted by the backlight source component.
Optionally, the backlight module further includes a light guide plate, the light guide plate is disposed in the mounting cavity, the light emitting element is disposed on one side of the light guide plate, the light emitting element includes a plurality of point light sources spaced apart along a width direction of the display main body, and the light guide plate is configured to convert a line light source emitted from the plurality of point light sources into a surface light source.
Optionally, the blue-blocking lens comprises:
the lens body is covered on one side of the light-emitting element facing the light guide plate in a concave manner, and the periphery of the lens body is bent outwards and extends to form a connecting convex part;
the blue light absorption film is arranged on one side of the lens body, which is far away from the light-emitting element; and the number of the first and second groups,
and an adhesive layer provided on the convex portion on a side close to the light emitting element, the adhesive layer being used to mount the lens body on the light emitting element.
Optionally, the blue light absorbing film includes a reflective sheet and a wavelength conversion film, which are sequentially stacked in a direction away from the light emitting element, the reflective sheet is configured to reflect light emitted by the light emitting element onto the wavelength conversion film, and the wavelength conversion film is configured to convert a blue light wavelength having a peak wavelength within a preset wavelength band.
Optionally, the blue light prevention lens further includes a plurality of partition plates, the plurality of partition plates are disposed on the concave side of the lens body at intervals along the width direction of the display main body, so as to partition the concave side of the lens body into a plurality of chambers, and each chamber corresponds to one point light source.
Optionally, the backlight module further includes a light guide plate, the light guide plate is disposed in the mounting cavity, the diffuser plate assembly is disposed on a side of the light guide plate close to the display panel, and the diffuser plate assembly includes a first diffuser plate, a second diffuser plate, and a mixed fluorescent film layer sequentially stacked in a thickness direction of the display main body;
the diffusion plate assembly further comprises a light reflecting film layer, wherein the light reflecting film layer is arranged on one side, far away from the light guide plate, of the light emitting element and used for reflecting light emitted by the light emitting element.
Optionally, the first diffuser plate includes a first prism sheet, one surface of the first prism sheet close to the light guide plate has a plurality of first bar-shaped protrusions, and the plurality of first bar-shaped protrusions extend along the thickness direction of the display main body on one surface of the first prism sheet close to the light guide plate and are sequentially arranged along the width direction of the display main body;
the second diffusion plate comprises a second prism sheet, the surface of the second prism sheet, which is close to the first diffusion sheet, is provided with a plurality of second strip-shaped bulges, and the plurality of second strip-shaped bulges extend along the width direction of the display main body on the surface of the second prism sheet, which is close to the first diffusion sheet, and are sequentially distributed along the thickness direction of the display main body.
Optionally, the height of the second strip-shaped protrusion is smaller than the height of the first strip-shaped protrusion.
Optionally, the mixed fluorescent film layer includes mixed fluorescent particles and a silica gel filler filled in the fluorescent particle body, and the mixed fluorescent particles include red fluorescent particles of europium-doped aluminum nitride base, green fluorescent particles of terbium-doped aluminum nitride base, and blue fluorescent particles of dysprosium-doped aluminum nitride base.
Optionally, the backplate includes the storage tank, the backlight subassembly with diffusion plate subassembly is all located in the storage tank, prevent blue light display screen subassembly still includes protection device, protection device locates the backplate is kept away from the one side of storage tank is used for preventing damage when the display screen falls.
In the technical scheme of the invention, the blue light preventing lens covers the light emitting element to absorb the blue light with the peak wavelength in the preset waveband, which is emitted by the light emitting element, so as to play a role in preventing the blue light, and meanwhile, the diffusion plate component is arranged to diffuse the blue light with the peak wavelength in the preset waveband, which is absorbed, so that the luminous brightness of the blue light preventing display screen component is ensured.
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, 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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an internal component structure of an embodiment of a blue light prevention display panel assembly according to the present invention;
FIG. 2 is a schematic view of an internal component structure of an embodiment of a blue light prevention display panel assembly according to the present invention (at another angle);
FIG. 3 is a schematic structural diagram of a light-emitting device of an embodiment of a blue-light prevention display panel assembly according to the present invention;
FIG. 4 is a general schematic view of an embodiment of a blue light prevention display panel assembly according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The existing blue-light-proof display screen uses a blue-light-proof adhesive film to absorb high-energy short-wave blue light, so that the harm to human eyes is reduced; or a plurality of refraction plates at specific positions are arranged, so that the direct vision of high-energy short-wave blue light by human eyes is avoided; but the luminance of display screen can all be reduced to current blue light technique of preventing, makes people harder when watching the screen, not only does not play the effect of protection eyesight, damages eyesight more on the contrary. There is therefore a need for a display screen that is both blue-light resistant and does not degrade brightness. In view of this, the present invention provides a blue light prevention display screen, which aims to ensure the blue light prevention effect of the display screen and the brightness of the display screen.
Referring to fig. 1 to 4, an embodiment of a blue light prevention display panel assembly 100 is provided for the present invention, where the blue light prevention display panel assembly 100 includes a display main body 1, a backlight assembly 2 and a diffusion plate assembly 3, the display main body 1 includes a display panel 11 and a back plate 12 sequentially stacked along a thickness direction thereof, and a mounting cavity 13 is defined between the display panel 11 and the back plate 12; the backlight source assembly 2 is arranged in the installation cavity 13, the backlight source assembly 2 includes a light emitting element 21 and a blue light prevention lens 22, a light emitting side of the light emitting element 21 faces the display panel 11, the blue light prevention lens 22 is arranged between the light emitting element 21 and the display panel 11 and covers the light emitting side of the light emitting element 21, and the blue light prevention lens 22 is used for absorbing blue light of which the peak wavelength emitted by the light emitting element 21 is within a preset waveband; diffusion plate subassembly 3 is located in installation cavity 13, diffusion plate subassembly 3 is located backlight subassembly 2 is close to one side of display panel 11, diffusion plate subassembly 3 is used for enlarging the light that backlight subassembly 2 sent.
In this embodiment, the blue light prevention lens 22 covers the light emitting element 21 to absorb the blue light of the peak wavelength in the preset waveband emitted by the light emitting element 21, so as to play a role of preventing the blue light, and meanwhile, the diffusion plate assembly 3 is arranged to diffuse the blue light of the absorbed peak wavelength in the preset waveband, so that the light emitting brightness of the blue light prevention display screen assembly 100 is ensured while the number of light sources is not additionally increased, the thickness of the blue light prevention display screen is not large, and more screen requirements can be met.
Referring to fig. 1 to 2, the backlight assembly 2 further includes a light guide plate 23, the light guide plate 23 is disposed in the mounting cavity 13, the light emitting device 21 is disposed on one side of the light guide plate 23, the light emitting device 21 includes a plurality of point light sources spaced apart along a width direction of the display main body 1, and the light guide plate 23 is configured to convert a line light source emitted from the plurality of point light sources into a surface light source.
In this embodiment, the light emitting elements 21 may be disposed on one side of the light guide plate 23, or may be disposed on both sides of the light guide plate 23, and may be adjusted as needed. The light emitting element 21 is provided with a plurality of point light sources at intervals in the width direction of the display main body 1, the point light sources can be LED lamps or other point light sources capable of emitting light, and the point light sources at intervals are convenient for manual adjustment and disassembly and assembly. The light guide plate is a PMMA light guide plate, and meshes on the light guide plate are circular, so that light of a point light source can be better guided out.
Specifically, referring to fig. 3, the blue light prevention lens 22 includes a lens body 221, a blue light absorption film 222 and an adhesive layer 223, the lens body 221 is concavely covered on one side of the light emitting element 21 facing the light guide plate 23, and the periphery of the lens body 221 is bent outward and extended to form a connection convex portion; the blue light absorbing film 222 is disposed on a side of the lens body 221 away from the light emitting element 21; the adhesive layer 223 is disposed on a side of the convex portion close to the light emitting element 21, and the adhesive layer 223 is used to mount the lens body 221 on the light emitting element 21.
In this embodiment, the lens body 221 is made of a transparent material, so that the light emitted by the light emitting element 21 can penetrate through the lens body 221, the blue light absorbing film 222 is adapted to the shape of the lens body 221, and the specific material of the adhesive layer 223 includes a hot melt adhesive, so that the lens body 221 is convenient to install and take down, and the subsequent adjustment of the blue light preventing lens 22 and the light emitting element 21 is facilitated.
Further, referring to fig. 3, the blue light absorbing film 222 includes a reflective sheet 2221 and a wavelength conversion film 2222 which are sequentially stacked in a direction away from the light emitting element 21, the reflective sheet 2221 is configured to reflect the light emitted by the light emitting element 21 onto the wavelength conversion film 2222, and the wavelength conversion film 2222 is configured to convert a blue light wavelength having a peak wavelength within a predetermined wavelength band.
In this embodiment, the blue light absorbing film 222 is provided with two layers, the first layer includes a reflective sheet 2221 for collecting and reflecting the light emitted by the light emitting element 21 onto the wavelength conversion film 2222, and the specific material of the wavelength conversion film 2222 is not limited herein as long as it can reflect or absorb the blue light with the peak wavelength within a predetermined wavelength band emitted by the light emitting element 21.
Referring to fig. 3, the blue light prevention lens 22 further includes a plurality of partitions, which are disposed on the concave side of the lens body 221 at intervals along the width direction of the display main body 1 to divide the concave side of the lens body 221 into a plurality of chambers 2211, and each chamber 2211 corresponds to one point light source.
In this embodiment, the plurality of chambers 2211 of the lens body 221 are convenient for reflecting each point light source and absorbing blue light, so that the blue light prevention effect is better, and meanwhile, the chambers 2211 have a certain space, so that the point light sources can be cooled, and the service life of the point light sources is longer.
Referring to fig. 1 to 2, the backlight assembly 2 further includes a light guide plate 23, the light guide plate 23 is disposed in the installation cavity 13, the diffuser plate assembly 3 is disposed on a side of the light guide plate 23 close to the display panel 11, and the diffuser plate assembly 3 includes a first diffuser plate, a second diffuser plate and a mixed fluorescent film 34 sequentially stacked along a thickness direction of the display main body 1; the diffusion plate assembly 3 further includes a reflective film 31, wherein the reflective film 31 is disposed on a side of the light emitting element 21 away from the light guide plate 23, and is used for reflecting light emitted from the light emitting element 21.
In this embodiment, the diffusion plate assembly 3 is used for diffusing the light emitted by the light guide plate 23, the diffusion plates are provided with two layers, so that the light can be better diffused, and the layer distance between the two diffusion plates can be adjusted, so that the diffusion effect is better. The specific layer distance of the diffusion plate is not limited, and can be adjusted according to actual conditions. The light reflecting film layer 31 is used for reflecting the light emitted by the light emitting elements 21 not facing the light guide plate 23 onto the light guide plate 23, so that the light emitted by the light emitting elements 21 can be better collected.
Specifically, referring to fig. 1 to 2, the first diffusion plate includes a first prism sheet 32, one surface of the first prism sheet 32 close to the light guide plate 23 has a plurality of first bar-shaped protrusions 321, and the plurality of first bar-shaped protrusions 321 extend along the thickness direction of the display main body 1 on one surface of the first prism sheet 32 close to the light guide plate 23 and are sequentially arranged along the width direction of the display main body 1; the second diffusion plate comprises a second prism sheet 33, the surface of the second prism sheet 33 close to the first diffusion plate is provided with a plurality of second strip-shaped protrusions 331, and the plurality of second strip-shaped protrusions 331 extend along the width direction of the display main body 1 on the surface of the second prism sheet 33 close to the first diffusion plate and are sequentially distributed along the thickness direction of the display main body 1.
In this embodiment, the protrusions of the first prism sheet 32 and the second prism sheet 33 are perpendicular to each other, so that the reflection effect can be better enhanced. The strip-shaped protrusion may be a triangular protrusion or a semicircular protrusion, which is not particularly limited herein.
Specifically, referring to fig. 3, the height of the second bar-shaped protrusion 331 is smaller than the height of the first bar-shaped protrusion 321.
In this embodiment, the second bar-shaped protrusion 331 is closer to the display panel 11, and for making the light-emitting intensity on the display panel 11 consistent, the phenomenon of uneven light emission does not occur, the height of the second bar-shaped protrusion 331 is set to be smaller than the first bar-shaped protrusion 321.
Specifically, the mixed fluorescent film layer 34 includes mixed fluorescent particles and a silica gel filler filled in the fluorescent particle body, and the mixed fluorescent particles include europium-doped aluminum nitride-based red fluorescent particles, terbium-doped aluminum nitride-based green fluorescent particles, and dysprosium-doped aluminum nitride-based blue fluorescent particles.
In this embodiment, the mixed fluorescent film layer 34 is used to re-excite white light to enhance the light emission of the blue-light-proof display panel assembly 100, according to the light emission theory of three primary colors, the mixed fluorescent film layer 34 includes red fluorescent particles, green fluorescent particles and blue fluorescent particles, and after the light absorbed by the blue light absorption film 222 is enhanced by reflection, the energy of the blue light is low, so that the light with other wavelengths can be used to re-excite white light to enhance the brightness of the display panel. In this embodiment, the mixed phosphor particles include a material of red phosphor particles of europium-doped aluminum nitride base, green phosphor particles of terbium-doped aluminum nitride base, and blue phosphor particles of dysprosium-doped aluminum nitride base, and a silica gel filler filled in the phosphor particle body, and can be excited by the violet light in the light passing through the blue light absorbing film 222 to generate white light, and the wavelength of the blue light in the excited white light is not within a preset wavelength band, so that the effects of preventing blue light and ensuring brightness are achieved.
Referring to fig. 4, the back plate 12 includes a receiving groove, the backlight module 2 and the diffusion plate module 3 are both disposed in the receiving groove, and the blue light prevention display screen module 100 further includes a protection device disposed on a surface of the back plate 12 away from the receiving groove for preventing the display screen from being damaged when falling.
In this embodiment, the protection device is not limited herein, and may be a protection bracket, a sponge cushion, or the like.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A blue-light resistant display screen assembly, comprising:
the display device comprises a display main body, a display panel and a back plate, wherein the display main body comprises the display panel and the back plate which are sequentially stacked along the thickness direction of the display main body, and an installation cavity is defined between the display panel and the back plate;
the backlight source assembly is arranged in the mounting cavity and comprises a light-emitting element and a blue-light prevention lens, the light-emitting side of the light-emitting element faces the display panel, the blue-light prevention lens is arranged between the light-emitting element and the display panel and covers the light-emitting side of the light-emitting element, and the blue-light prevention lens is used for absorbing blue light of which the peak wavelength emitted by the light-emitting element is within a preset waveband; and the number of the first and second groups,
the diffusion plate component is arranged in the mounting cavity, the diffusion plate component is arranged on one side, close to the display panel, of the backlight source component, and the diffusion plate component is used for expanding light emitted by the backlight source component.
2. The blue-light preventing display panel assembly as claimed in claim 1, wherein the backlight assembly further comprises a light guide plate, the light guide plate is disposed in the installation cavity, the light emitting device is disposed at one side of the light guide plate, the light emitting device comprises a plurality of point light sources spaced apart in a width direction of the display main body, and the light guide plate is configured to convert a line light source emitted from the plurality of point light sources into a surface light source.
3. The blue-light resistant display screen assembly of claim 2, wherein the blue-light resistant lens comprises:
the lens body is covered on one side of the light-emitting element facing the light guide plate in a concave manner, and the periphery of the lens body is bent outwards and extends to form a connecting convex part;
the blue light absorption film is arranged on one side of the lens body, which is far away from the light-emitting element; and the number of the first and second groups,
and an adhesive layer provided on the convex portion on a side close to the light emitting element, the adhesive layer being used to mount the lens body on the light emitting element.
4. The blue-light preventing display panel assembly of claim 3, wherein the blue-light absorbing film includes a reflective sheet and a wavelength conversion film stacked in this order in a direction away from the light emitting elements, the reflective sheet being configured to reflect light emitted from the light emitting elements onto the wavelength conversion film, the wavelength conversion film being configured to convert a blue light wavelength having a peak wavelength within a predetermined wavelength band.
5. The blue-light preventing display screen assembly as claimed in claim 3, wherein the blue-light preventing lens further comprises a plurality of partition plates, the plurality of partition plates are disposed on the concave side of the lens body at intervals along the width direction of the display main body to divide the concave side of the lens body into a plurality of chambers, and each chamber corresponds to one of the point light sources.
6. The anti-blue-light display screen assembly according to claim 1, wherein the backlight assembly further comprises a light guide plate, the light guide plate is disposed in the mounting cavity, the diffuser plate assembly is disposed on a side of the light guide plate close to the display panel, and the diffuser plate assembly comprises a first diffuser plate, a second diffuser plate and a mixed fluorescent film layer which are sequentially stacked in a thickness direction of the display body;
the diffusion plate assembly further comprises a light reflecting film layer, wherein the light reflecting film layer is arranged on one side, far away from the light guide plate, of the light emitting element and used for reflecting light emitted by the light emitting element.
7. The blue-light preventing display panel assembly of claim 6, wherein the first diffuser plate comprises a first prism sheet, a surface of the first prism sheet adjacent to the light guide plate has a plurality of first bar-shaped protrusions, and the plurality of first bar-shaped protrusions extend along a thickness direction of the display main body on a surface of the first prism sheet adjacent to the light guide plate and are sequentially arranged along a width direction of the display main body;
the second diffusion plate comprises a second prism sheet, the surface of the second prism sheet, which is close to the first diffusion sheet, is provided with a plurality of second strip-shaped bulges, and the plurality of second strip-shaped bulges extend along the width direction of the display main body on the surface of the second prism sheet, which is close to the first diffusion sheet, and are sequentially distributed along the thickness direction of the display main body.
8. The blue-light resistant display screen assembly of claim 7, wherein the height of the second bar-shaped protrusion is less than the height of the first bar-shaped protrusion.
9. The blue-light resistant display panel assembly of claim 6, wherein the mixed phosphor film layer comprises mixed phosphor particles and a silica gel filler filled in the phosphor particle body, the mixed phosphor particles comprising red phosphor particles of europium-doped aluminum nitride-based, green phosphor particles of terbium-doped aluminum nitride-based, and blue phosphor particles of dysprosium-doped aluminum nitride-based.
10. The blue-light prevention display screen assembly as claimed in claim 1, wherein the back plate comprises a receiving groove, the backlight source assembly and the diffusion plate assembly are both disposed in the receiving groove, and the blue-light prevention display screen assembly further comprises a protection device disposed on a surface of the back plate away from the receiving groove, for preventing the display screen from being damaged when falling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111358073.4A CN114203033B (en) | 2021-11-16 | 2021-11-16 | Blue light prevention display screen assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111358073.4A CN114203033B (en) | 2021-11-16 | 2021-11-16 | Blue light prevention display screen assembly |
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| CN114203033A true CN114203033A (en) | 2022-03-18 |
| CN114203033B CN114203033B (en) | 2023-09-08 |
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| CN114203033B (en) | 2023-09-08 |
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Address after: Room 401, Building 1, No. 136, Yongjun Road, Dalingshan, Dalingshan Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Gaozhan Optoelectronics Co.,Ltd. Address before: 518000 Room 501, building B, kelibang, 317, julinglao village, Jutang community, Fucheng street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GAOZHAN OPTOELECTRONICS CO.,LTD. |
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