CN115047669A - Reflective screen with built-in light source and preparation method thereof - Google Patents
Reflective screen with built-in light source and preparation method thereof Download PDFInfo
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- CN115047669A CN115047669A CN202210981570.8A CN202210981570A CN115047669A CN 115047669 A CN115047669 A CN 115047669A CN 202210981570 A CN202210981570 A CN 202210981570A CN 115047669 A CN115047669 A CN 115047669A
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- light source
- glass substrate
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- reflective
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G09F9/37—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 movable elements
Abstract
The invention discloses a reflective screen with a built-in light source and a preparation method thereof, wherein the reflective screen with the built-in light source comprises a screen shell, the inner bottom of the screen shell is connected with a reflecting layer element, the reflecting layer element is connected with a first glass substrate, both ends of the first glass substrate are provided with a supplementary light source lamp body, the upper surface of the first glass substrate is provided with an optical structure, and the optical structure comprises a plurality of conical holes; the inner side of the screen shell is also connected with a color filter and a display assembly, and the top of the screen shell is connected with a second glass substrate. The reflecting screen with the built-in light source combines the lamp body of the supplementary light source on the first glass substrate, avoids the interference of stray light generated by adopting a front supplementary light source mode on the display contrast of the screen, and improves the contrast effect by processing an optical structure on the first glass substrate, so that the supplementary light source can be filtered and controlled by the color filter and the display assembly.
Description
Technical Field
The invention relates to the technical field of reflective screens, in particular to a reflective screen with a built-in light source and a preparation method thereof.
Background
The application of the existing reflective display screen is more and more extensive, and the energy-saving advantage is very outstanding; in order to ensure the normal work of the LED lamp in various environments, a front light source module is required to be added as a supplementary light source;
the existing reflective display screen has the following defects: because the leading installation of current reflective display screen supplemental light source, produce stray light easily and disturb the screen display contrast when using to because the leading supplemental light source of installation, still generally need install the light guide plate at the display end, the light guide plate need bond the installation through the colloid medium, so just can increase the dielectric layer, the dielectric layer then can influence the visual effect of formation of image, and the supplemental light source of leading installation can make whole display screen volume great.
Disclosure of Invention
In order to overcome the above technical problems, the present invention provides a reflective screen with a built-in light source and a method for manufacturing the same.
The purpose of the invention can be realized by the following technical scheme:
a reflective screen with a built-in light source comprises a screen shell, wherein a reflecting layer element is connected to the inner bottom of the screen shell, a first glass substrate is connected onto the reflecting layer element, light source supplement lamp bodies are arranged at two ends of the first glass substrate, an optical structure is arranged on the upper surface of the first glass substrate, the optical structure comprises a plurality of conical holes, and the conical holes are distributed on the upper surface of the first glass substrate in a gradual changing manner; the inner side of the screen shell is also connected with a color filter and a display assembly, and the top of the screen shell is connected with a second glass substrate.
As a further scheme of the invention: the reflective screen with the built-in light source is a reflective ink screen, the display component is an ink layer component, and the ink layer component is arranged between the color filter and the first glass substrate.
As a further scheme of the invention: the reflective screen with the built-in light source is a reflective liquid crystal screen, the display component is a liquid crystal layer component, and the liquid crystal layer component is arranged between the color filter and the second glass substrate.
As a further scheme of the invention: the optical structures are provided with two groups, and the tapered holes of the two groups of optical structures are respectively distributed on the upper surface and the lower surface of the first glass substrate.
As a further scheme of the invention: the tapered holes of the optical structure are distributed at the lower surface of the first glass substrate.
As a further scheme of the invention: the two ends of the first glass substrate are connected with the connecting lamp frames, and the supplementary light source lamp bodies are connected in the connecting lamp frames.
A method for preparing a reflective screen with a built-in light source comprises the following specific steps:
step one, processing an optical structure: processing the first glass substrate by adopting a laser processing mode, generating tapered holes of an optical structure by laser, and arranging the tapered holes in a gradual change mode according to the distance between the tapered holes and the supplementary light source lamp body;
step two, integrally connecting the supplementary light source lamp body with the first glass substrate;
and step three, sequentially installing the reflecting layer element, the first glass substrate provided with the supplementary light source lamp body, the display assembly, the color filter and the second glass substrate into the screen shell.
As a further scheme of the invention: and in the first step, the optical structure is processed by adopting an etching processing mode to process the first glass substrate, and the conical hole of the optical structure is generated by corrosion of the corrosive liquid.
The invention has the beneficial effects that:
1. the reflecting screen combines the supplementary light source lamp body on the first glass substrate, avoids stray light generated by adopting a front supplementary light source mode and interferes the display contrast of the screen, and the optical structure is processed on the first glass substrate, so that the supplementary light source can be filtered and controlled through the color filter and the display assembly, and the contrast effect is improved;
2. according to the invention, the optical structure processed on the first glass substrate can fully utilize a supplementary light source, and a light guide assembly is not required to be additionally arranged on the display side of the screen, so that connecting media are effectively reduced, and the visual effect of screen imaging can be improved;
3. the supplementary light source lamp body and the first glass substrate are combined into a whole, so that the thickness of a finished display screen product can be reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of a second embodiment of the present invention;
FIG. 4 is a schematic diagram of the location distribution of the tapered holes on the first glass substrate according to the third embodiment of the present invention;
FIG. 5 is a schematic view of the location distribution of tapered holes on a first glass substrate according to a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a conventional reflex-type screen.
In the figure: 1. a screen housing; 2. a reflective layer element; 3. a first glass substrate; 4. a supplementary light source lamp body; 5. a tapered hole; 6. connecting a lamp frame; 7. a color filter; 8. a second glass substrate; 9. an ink layer assembly; 10. a liquid crystal layer assembly; 11. a connecting shell; 12. a light guide plate; 13. a light supplement lamp; 14. a screen display assembly; 15. a glass panel assembly; 16. a reflective component.
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.
As shown in fig. 6, the conventional reflective screen includes a connection shell 11, a screen display assembly 14 is installed at a middle position of an inner side of the connection shell 11, upper and lower sides of the screen display assembly 14 are connected to a glass plate assembly 15 through a connection medium, a reflection assembly 16 is installed at an inner bottom of the connection shell 11, and the reflection assembly 16 is used for reflecting an external light source, so that the light source acts on the screen display assembly 14; the top of connecting shell 11 is the opening, and the demonstration end of screen display subassembly 14 aligns with the opening of connecting shell 11, and the opening part of connecting shell 11 is provided with light guide plate 12, and light guide plate 12 passes through connecting medium and connects on glass board subassembly 15, and the both sides of light guide plate 12 are provided with and connect shell 11 fixed connection's light filling lamp 13, and when light filling lamp 13 carried out the light source and supplyed, the light source passed multilayer connection medium and glass board subassembly 15 through light guide plate 12, then through 16 reflex action of reflection component.
As shown in fig. 1, a reflective screen with a built-in light source comprises a screen shell 1, a reflective layer element 2 is connected to the inner bottom of the screen shell 1, a first glass substrate 3 is connected to the reflective layer element 2, both ends of the first glass substrate 3 are connected to connection lamp frames 6, a light source supplement lamp body 4 is connected to each of the two connection lamp frames 6, the light source supplement lamp body 4 can change brightness according to the brightness of the environment, that is, when the environment is light strong, the supplement light is weak, and when the environment is light weak, the supplement light is strong, so as to meet the application of various environments, an optical structure is arranged on the upper surface of the first glass substrate 3, the optical structure comprises a plurality of tapered holes 5, the plurality of tapered holes 5 are arranged on the upper surface of the first glass substrate 3, and the plurality of tapered holes 5 are arranged in a gradually changing manner according to the distance from the light source supplement lamp body 4, so as to change the light path of the light source supplement lamp body 4, multi-angle reflection is effectively carried out, so that the linear light source is converted into a surface light source, and the light source is fully utilized; the inner side of the screen shell 1 is also connected with a color filter 7 and a display component, and the top of the screen shell 1 is connected with a second glass substrate 8, namely, the color filter 7 and the display component are positioned between the first glass substrate 3 and the second glass substrate 8.
The reflecting screen combines the supplementary light source lamp body 4 on the first glass substrate 3, stray light generated by adopting a front light source is avoided, the display contrast of the screen is interfered, and the conical holes 5 serving as optical structures are formed on the first glass substrate 3, so that the supplementary light source can pass through the color filter 7 and the filtering and controlling of a display component, the contrast effect is improved, and the plurality of conical holes 5 serve as optical structures for changing the supplementary light source and an ambient light path, so that a linear light source is converted into a surface light source, the supplementary light source can be fully utilized, a light guide component is not required to be additionally arranged on the display side of the screen, so that a connecting medium is effectively reduced, the visual effect of screen imaging can be improved, under the condition of good visual effect, the electricity consumption of the supplementary light source can be reduced, namely, the power consumption is reduced; meanwhile, the supplementary light source lamp body 4 and the first glass substrate 3 are combined into a whole, so that the thickness of a finished display screen can be reduced.
Example one
As shown in fig. 2, the reflective screen with the built-in light source is a reflective ink screen, the display element is an ink layer element 9, and the ink layer element 9 is disposed between the color filter 7 and the first glass substrate 3.
Example two
As shown in fig. 3, unlike the first embodiment, the reflective screen with built-in light source is a reflective liquid crystal screen, the display device is a liquid crystal layer device 10, and the liquid crystal layer device 10 is connected between the color filter 7 and the second glass substrate 8.
EXAMPLE III
As shown in fig. 4, unlike the second embodiment, two sets of optical structures are provided, and the tapered holes 5 of the two sets of optical structures are respectively distributed at the upper and lower surfaces of the first glass substrate 3.
Example four
As shown in fig. 5, unlike the third embodiment, tapered holes 5 of the optical structure are distributed at the lower surface of the first glass substrate 3.
A method for preparing a reflective screen with a built-in light source comprises the following specific steps:
step one, processing an optical structure: processing by adopting a laser processing mode, placing the first glass substrate 3 in a laser machine, punching a plurality of tapered holes 5 on the first glass substrate 3 by means of laser, and arranging the tapered holes in a gradual change mode according to the distance between the first glass substrate and the supplementary light source lamp body 4, wherein the processing mode can also select an etching processing mode, and the etching liquid is dripped on the first glass substrate 3 in a point shape to etch the tapered holes 5;
step two, fixedly installing the supplement light source lamp body 4 on the connecting lamp frame 6, and then bonding the connecting lamp frame 6 at the edge of the first glass substrate 3 to realize the integrated connection of the supplement light source lamp body 4 and the first glass substrate 3;
and step three, sequentially mounting the first glass substrate 3, the display component, the color filter 7 and the second glass substrate 8 of the reflecting layer element 2 and the supplementary light source lamp body 4 mounted in the step two into the screen shell 1, and bonding the adjacent components by using glue as a dielectric layer.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The reflective screen with the built-in light source comprises a screen shell (1), wherein a reflecting layer element (2) is connected to the inner bottom of the screen shell (1), and a first glass substrate (3) is connected to the reflecting layer element (2), and is characterized in that a supplementary light source lamp body (4) is arranged at each of two ends of the first glass substrate (3), an optical structure is arranged on the upper surface of the first glass substrate (3), the optical structure comprises a plurality of tapered holes (5), and the tapered holes (5) are distributed on the upper surface of the first glass substrate (3) in a gradual changing manner; the inner side of the screen shell (1) is further connected with a color filter (7) and a display assembly, and the top of the screen shell (1) is connected with a second glass substrate (8).
2. The screen of claim 1, wherein the screen is a reflective ink screen, the display element is an ink layer element (9), and the ink layer element (9) is disposed between the color filter (7) and the first glass substrate (3).
3. A light source built-in reflective screen according to claim 1, wherein the light source built-in reflective screen is a reflective liquid crystal screen, the display component is a liquid crystal layer component (10), and the liquid crystal layer component (10) is arranged between the color filter (7) and the second glass substrate (8).
4. A reflective screen with built-in light source according to claim 1, wherein said optical structures are provided in two sets, and the tapered holes (5) of said optical structures in two sets are distributed at the upper and lower surfaces of said first glass substrate (3), respectively.
5. A built-in light source reflective screen according to claim 1, wherein the tapered holes (5) of the optical structure are distributed at the lower surface of the first glass substrate (3).
6. The reflex-type screen with a built-in light source as claimed in claim 1, wherein the first glass substrate (3) is connected at both ends thereof with a connection bezel (6), and the supplementary light source lamp body (4) is connected in the connection bezel (6).
7. A method for preparing a reflective screen with a built-in light source, which is used for preparing the reflective screen with the built-in light source of claim 1, is characterized by comprising the following steps:
step one, processing an optical structure: processing the first glass substrate (3) by adopting a laser processing mode, generating tapered holes (5) of an optical structure by laser, and arranging the tapered holes (5) in a gradual change mode according to the distance between the tapered holes and the supplementary light source lamp body (4);
step two, integrally connecting the supplementary light source lamp body (4) with the first glass substrate (3);
and step three, sequentially installing the reflecting layer element (2), the first glass substrate (3) provided with the supplementary light source lamp body (4), the display assembly, the color filter (7) and the second glass substrate (8) into the screen shell (1).
8. The method for manufacturing a reflective screen with a built-in light source as claimed in claim 7, wherein the step one is to process the optical structure by etching the first glass substrate (3) and generate the tapered holes (5) of the optical structure by etching with the etchant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981570.8A CN115047669A (en) | 2022-08-16 | 2022-08-16 | Reflective screen with built-in light source and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981570.8A CN115047669A (en) | 2022-08-16 | 2022-08-16 | Reflective screen with built-in light source and preparation method thereof |
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| CN115047669A true CN115047669A (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210981570.8A Pending CN115047669A (en) | 2022-08-16 | 2022-08-16 | Reflective screen with built-in light source and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236895A (en) * | 2022-09-23 | 2022-10-25 | 合肥泰沃达智能装备有限公司 | Double-layer reflection light-transmission type reflection screen and preparation method thereof |
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| CN115236895A (en) * | 2022-09-23 | 2022-10-25 | 合肥泰沃达智能装备有限公司 | Double-layer reflection light-transmission type reflection screen and preparation method thereof |
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Application publication date: 20220913 |