CN112859408B - Highlight quantum dot display - Google Patents
Highlight quantum dot display Download PDFInfo
- Publication number
- CN112859408B CN112859408B CN202110173584.2A CN202110173584A CN112859408B CN 112859408 B CN112859408 B CN 112859408B CN 202110173584 A CN202110173584 A CN 202110173584A CN 112859408 B CN112859408 B CN 112859408B
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- China
- Prior art keywords
- light guide
- guide plate
- light
- quantum dot
- dot display
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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
-
- 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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
Abstract
The invention discloses a high-brightness quantum dot display, which comprises a front frame, liquid crystal glass, a gasket, a back plate, a light source, a light guide plate, a light reflecting sheet and a compensation telescopic ring, wherein: the back plate is provided with a mounting groove, the compensation telescopic ring is mounted on the side wall of the mounting groove, the light reflecting sheet and the light guide plate are mounted in the mounting groove, the side walls of the light reflecting sheet and the light guide sheet are in contact with the inner wall of the compensation telescopic ring, and the compensation telescopic ring is used for compensating the deformation of the light guide plate and the light reflecting sheet caused by thermal expansion and cold contraction; the light source is arranged on the side wall of the mounting groove and is opposite to the light guide plate; the liquid crystal glass is arranged on the front frame, the front frame is arranged on the back plate, and the liquid crystal glass covers the light guide plate. The high-brightness quantum dot display provided by the invention has a simple structure, the light guide plate and the reflective sheet are compensated by the compensation expansion ring through expansion with heat and contraction with cold, the display effect of the display is prevented from being influenced by the bulge of the heated middle parts of the light guide plate and the reflective sheet, and the light guide plate and the reflective sheet are prevented from shrinking in the cooling process to further loosen the fixation of the light guide plate and the reflective sheet with the back plate.
Description
Technical Field
The invention relates to the technical field of displays, in particular to a high-brightness sub-point display.
Background
The quantum dot display belongs to the innovative semiconductor nanocrystal technology, can accurately convey light, efficiently improves the color gamut value of a display screen, enables colors to be purer and brighter, and enables color expression to have more tension. The backplate fixed mounting of display has reflection of light piece and light guide plate to reflect light, because reflection of light piece and light guide plate take place extension deformation and the lateral wall of light guide plate and reflection of light piece is fixed and then make the middle part of reflection of light piece and light guide plate take place certain arch with the backplate at the in-process of being heated, and then influence its leaded light and reflection of light effect and then influence display effect, the same reason is in the lower environment of temperature because certain shrink takes place for light guide plate and reflection of light piece, lead to the light guide plate and reflection of light piece and the being connected of backplate to take place not hard up.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a high brightness quantum dot display.
The invention provides a high-brightness quantum dot display, which comprises a front frame, liquid crystal glass, a gasket, a back plate, a light source, a light guide plate, a light reflecting sheet and a compensation telescopic ring, wherein:
the back plate is provided with a mounting groove, the compensation expansion ring is mounted on the side wall of the mounting groove, the light reflecting sheet and the light guide plate are mounted in the mounting groove, the side walls of the light reflecting sheet and the light guide sheet are in contact with the inner wall of the compensation expansion ring, and the compensation expansion ring is used for compensating the deformation of the light guide plate and the light reflecting sheet caused by thermal expansion and cold contraction;
the light source is arranged on the side wall of the mounting groove and is opposite to the light guide plate;
the liquid crystal glass is arranged on the front frame, the front frame is arranged on the back plate, and the liquid crystal glass covers the light guide plate.
As a further optimized scheme of the invention, the compensation expansion ring comprises an elastic air bag, the middle part of the elastic air bag is provided with a cavity, and the cavity is filled with gas.
As a further optimized scheme of the invention, the pressure in the cavity is greater than the external atmospheric pressure.
As a further optimized scheme of the invention, the gas filled in the cavity is nitrogen.
As a further optimized scheme of the invention, a first scratch-resistant gap is formed between the light reflecting sheet and the bottom of the mounting groove, and a second scratch-resistant gap is formed between the light reflecting sheet and the light guide plate.
As a further optimized scheme of the invention, the inner wall of the compensation telescopic ring is provided with a first mounting convex ring and a second mounting convex ring, the first mounting convex ring is positioned above the second mounting convex ring, a mounting ring groove is formed between the first mounting convex ring and the second mounting convex ring, the light reflecting sheet is mounted in the mounting ring groove, and the light guide plate is mounted on the first mounting convex ring.
As a further optimized proposal of the invention, the back plate is provided with a cooling cavity which is opposite to the light source.
As a further optimized scheme of the invention, a gasket is arranged between the liquid crystal glass and the front frame.
As a further optimized scheme of the invention, an optical film is adhered to one surface of the light guide plate, which is far away from the reflector.
The high-brightness quantum dot display provided by the invention has a simple structure, the light guide plate and the reflective sheet are compensated by the compensation expansion ring with expansion caused by heat and contraction caused by cold, the display effect of the display is prevented from being influenced by the expansion of the heated middle parts of the light guide plate and the reflective sheet, and the light guide plate and the reflective sheet are prevented from contracting in the cooling process to further loosen the fixation of the light guide plate and the reflective sheet with the back plate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the area A according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
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 invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting 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 "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
A high luminance quantum dot display as shown in fig. 1-2, comprising a front frame 1, liquid crystal glass 2, a back plate 3, a light source 4, a light guide plate 5, a reflective sheet 6 and a compensation expansion ring 7, wherein:
the back plate 3 is provided with a mounting groove 30, the compensation expansion ring 7 is mounted on the side wall of the mounting groove 30, the light reflecting sheet 6 and the light guide plate 5 are mounted in the mounting groove 30, the side walls of the light reflecting sheet 6 and the light guide sheet are in contact with the inner wall of the compensation expansion ring 7, and the compensation expansion ring 7 is used for compensating the deformation of the light guide plate 5 and the light reflecting sheet 6 caused by thermal expansion and cold contraction;
the light source 4 is installed on the side wall of the installation groove 30 and opposite to the light guide plate 5;
the liquid crystal glass 2 is arranged on the front frame 1, the front frame 1 is arranged on the back plate 3, and the liquid crystal glass 2 covers the light guide plate 5;
the compensation expansion ring 7 comprises an elastic air bag, a cavity 70 is formed in the middle of the elastic air bag, inert gas is filled in the cavity 70, the gas filled in the cavity 70 is nitrogen, the elastic air bag is fixed on the inner side wall of the mounting groove 30 in a sticking mode, the structure is simple, the installation is convenient, and the pressure in the cavity 70 is greater than the external atmospheric pressure;
in order to prevent the scratch of the reflective sheet 6 and the light guide plate 5 during the vibration process, a first scratch-proof gap 8 is formed between the reflective sheet 6 and the bottom of the mounting groove 30, and a second scratch-proof gap 9 is formed between the reflective sheet 6 and the light guide plate 5.
The inner wall of the compensation telescopic ring 7 is provided with a first mounting convex ring 71 and a second mounting convex ring 72, the first mounting convex ring 71 is positioned above the second mounting convex ring 72, a mounting ring groove 73 is formed between the first mounting convex ring 71 and the second mounting convex ring 72, the light reflecting sheet 6 is mounted in the mounting ring groove 73, and the light guide plate 5 is mounted on the first mounting convex ring 71, so that the light guide plate 5 and the light reflecting sheet 6 can be conveniently mounted, and the light guide plate 5 and the light reflecting sheet 6 can be prevented from being scratched;
the back plate 3 is provided with a cooling cavity 31, and the cooling cavity 31 is opposite to the light source 4 so as to further realize the cooling of the back plate;
a gasket 10 is arranged between the liquid crystal glass 2 and the front frame 1, so that the stability of the liquid crystal glass 2 is improved;
an optical film 11 is adhered to one surface of the light guide plate 5 far away from the reflector 6.
In the working process of the embodiment: when the temperature is high, the light guide plate 5 and the reflective sheet 6 expand due to heat, the four sides of the light guide plate extend outwards to abut against the compensation expansion ring 7, the elastic air bag deforms to extrude gas in the elastic air bag, so that the light guide plate 5 and the reflective sheet 6 deform to a certain extent in the direction close to the elastic air bag, and the middle parts of the light guide plate 5 and the reflective sheet 6 are prevented from bulging to influence the display effect; under the lower condition of temperature, certain shrink takes place for light guide plate 5 and reflector panel 6, because the pressure in the elasticity gasbag is greater than external atmospheric pressure, therefore the elasticity gasbag takes place certain deformation and is that the fixed light guide plate 5 of elasticity gasbag and reflector panel 6 and then realize the fixed to reflector panel 6 and light guide plate 5, avoid it to take place to become flexible.
In this embodiment, preferably, the compensation expansion ring 7 includes an elastic airbag, a cavity 70 is formed in the middle of the elastic airbag, inert gas is filled in the cavity 70, and the elastic airbag is fixed on the inner side wall of the mounting groove 30 in a sticking manner, so that the structure is simple and the installation is convenient.
In order to ensure compensation for thermal expansion and contraction of the light-reflecting sheet 6 and the light guide plate 5, it is preferable in this embodiment that the pressure inside the cavity 70 is greater than the external atmospheric pressure.
To ensure installation, it is preferred in this embodiment that the gas filled in the cavity 70 is nitrogen.
In order to prevent the scratch of the reflective sheet 6 and the light guide plate 5 during the vibration process, it is preferable in this embodiment that a first scratch-proof gap 8 is formed between the reflective sheet 6 and the bottom of the mounting groove 30, and a second scratch-proof gap 9 is formed between the reflective sheet 6 and the light guide plate 5.
In this embodiment, preferably, the inner wall of the compensation expansion ring 7 has a first mounting protrusion ring 71 and a second mounting protrusion ring 72, the first mounting protrusion ring 71 is located above the second mounting protrusion ring 72, and a mounting ring groove 73 is formed between the first mounting protrusion ring 71 and the second mounting protrusion ring 72, the reflective sheet 6 is mounted in the mounting ring groove 73, and the light guide plate 5 is mounted on the first mounting protrusion ring 71, so that the light guide plate 5 and the reflective sheet 6 can be mounted conveniently, and the light guide plate 5 and the reflective sheet 6 can be prevented from being scratched.
In this embodiment, it is preferable that the back plate 3 has a cooling cavity 31, and the cooling cavity 31 is opposite to the light source 4, so as to cool the light source.
In the embodiment, preferably, a gasket 10 is arranged between the liquid crystal glass 2 and the front frame 1, so that the stability of the liquid crystal glass 2 is improved.
In order to further increase the display effect of the display, in the present embodiment, an optical film 11 is preferably attached to a surface of the light guide plate 5 away from the reflector 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a highlight measure quantum dot display, its characterized in that, includes preceding frame (1), liquid crystal glazing (2), backplate (3), light source (4), light guide plate (5), reflector panel (6) and compensation expansion ring (7), wherein:
the back plate (3) is provided with a mounting groove (30), the compensation expansion ring (7) is mounted on the side wall of the mounting groove (30), the light reflecting sheet (6) and the light guide plate (5) are mounted in the mounting groove (30), the side walls of the light reflecting sheet (6) and the light guide sheet are in contact with the inner wall of the compensation expansion ring (7), and the compensation expansion ring (7) is used for compensating deformation caused by thermal expansion and cold contraction of the light guide plate (5) and the light reflecting sheet (6);
the light source (4) is arranged on the side wall of the mounting groove (30) and is opposite to the light guide plate (5);
the liquid crystal glass (2) is arranged on the front frame (1), the front frame (1) is arranged on the back plate (3), and the liquid crystal glass (2) covers the light guide plate (5);
the inner wall of compensation expansion ring (7) has first installation bulge loop (71) and second installation bulge loop (72), and first installation bulge loop (71) are located second installation bulge loop (72) top and form between first installation bulge loop (71) and the second installation bulge loop (72) mounting ring groove (73), and install in mounting ring groove (73) reflector panel (6), and light guide plate (5) are installed on first installation bulge loop (71).
2. The highlight quantum dot display according to claim 1, wherein the compensation coil (7) comprises an elastic air bag, the middle part of the elastic air bag is provided with a cavity (70), and the cavity (70) is filled with gas.
3. The highlight sub dot display according to claim 2 wherein the pressure inside the cavity (70) is greater than the ambient atmospheric pressure.
4. High luminance quantum dot display according to claim 2, wherein the gas the cavity (70) is filled with is nitrogen.
5. The highlight quantum dot display according to claim 1, wherein a first scratch-proof gap (8) is formed between the reflective sheet (6) and the bottom of the mounting groove (30), and a second scratch-proof gap (9) is formed between the reflective sheet (6) and the light guide plate (5).
6. High-luminance quantum dot display according to claim 1, characterised in that the back plate (3) has a cooling cavity (31) thereon, the cooling cavity (31) being opposite to the light source (4).
7. High bright quantum dot display according to claim 1, characterized in that a gasket (10) is provided between the liquid crystal glass (2) and the front frame (1).
8. A high-luminance quantum dot display as claimed in claim 1, wherein the side of the light guide plate (5) remote from the reflector (6) is coated with an optical film (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173584.2A CN112859408B (en) | 2021-02-06 | 2021-02-06 | Highlight quantum dot display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173584.2A CN112859408B (en) | 2021-02-06 | 2021-02-06 | Highlight quantum dot display |
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| Publication Number | Publication Date |
|---|---|
| CN112859408A CN112859408A (en) | 2021-05-28 |
| CN112859408B true CN112859408B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110173584.2A Active CN112859408B (en) | 2021-02-06 | 2021-02-06 | Highlight quantum dot display |
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| CN (1) | CN112859408B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115390304B (en) * | 2022-09-20 | 2023-04-07 | 江西科华电子有限公司 | Liquid crystal display module of leak protection light |
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| CN206339806U (en) * | 2016-11-24 | 2017-07-18 | 深圳暴风统帅科技有限公司 | The fixed structure and liquid crystal display of liquid-crystalline glasses |
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| JP2006039487A (en) * | 2004-07-30 | 2006-02-09 | Hitachi Displays Ltd | Liquid crystal display device |
| JP4519943B1 (en) * | 2009-05-22 | 2010-08-04 | シャープ株式会社 | Display device |
| TWI390302B (en) * | 2009-06-05 | 2013-03-21 | Au Optronics Corp | Back light module and optical device using the same |
| CN202275236U (en) * | 2011-10-24 | 2012-06-13 | 深圳市华星光电技术有限公司 | Liquid crystal display device and fixing device thereof |
| CN102506350B (en) * | 2011-11-01 | 2013-12-25 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| JP6143050B2 (en) * | 2012-10-10 | 2017-06-07 | Ｎｌｔテクノロジー株式会社 | Surface emitting device |
| CN206600545U (en) * | 2016-11-30 | 2017-10-31 | 航天晨光股份有限公司 | A kind of high-pressure resistant self-sealing rotating compensator |
| CN107037631A (en) * | 2016-12-02 | 2017-08-11 | 深圳市华星光电技术有限公司 | Liquid crystal display and its backlight module |
| CN107577087A (en) * | 2017-10-30 | 2018-01-12 | 深圳市巨世科技股份有限公司 | Quantum dot backlight and there is its LCDs |
| CN207780428U (en) * | 2017-12-22 | 2018-08-28 | 昆山龙腾光电有限公司 | Backlight module |
| CN109375416B (en) * | 2018-10-25 | 2024-03-01 | 安徽赛迈特光电股份有限公司 | Backlight module based on quantum dots and liquid crystal display screen with same |
| CN209657039U (en) * | 2019-04-30 | 2019-11-19 | 深圳市沣视科技有限公司 | A kind of liquid crystal display modular structure |
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2021
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202581171U (en) * | 2012-05-22 | 2012-12-05 | 深圳Tcl新技术有限公司 | Backlight module carrying structure and liquid crystal display device |
| CN206339806U (en) * | 2016-11-24 | 2017-07-18 | 深圳暴风统帅科技有限公司 | The fixed structure and liquid crystal display of liquid-crystalline glasses |
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| CN112859408A (en) | 2021-05-28 |
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