CN111505863A - Cell-phone liquid crystal display of leak protection light - Google Patents
Cell-phone liquid crystal display of leak protection light Download PDFInfo
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- CN111505863A CN111505863A CN202010231801.4A CN202010231801A CN111505863A CN 111505863 A CN111505863 A CN 111505863A CN 202010231801 A CN202010231801 A CN 202010231801A CN 111505863 A CN111505863 A CN 111505863A
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- crystal display
- light beam
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 40
- 230000002265 prevention Effects 0.000 claims description 2
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Classifications
-
- 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
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
Abstract
The invention particularly discloses a light leakage preventing mobile phone liquid crystal display screen which comprises a frame, a liquid crystal display screen body and a backlight assembly, wherein the backlight assembly is positioned at the rear side of the liquid crystal display screen body and is fixed in a limit cavity of the frame, the backlight assembly comprises a parallel light beam layer, a light beam adjusting layer, a polaroid and a light source emitting layer, the parallel light beam layer is positioned at the rear side of the liquid crystal display screen body, the light beam adjusting layer is positioned at the rear side of the parallel light beam layer, the polaroid is fixed at the rear side of the light beam adjusting layer, and the light source emitting layer is fixed at the rear side of the polaroid and is fixed at the bottom of the limit cavity. The mobile phone liquid crystal display screen has reasonable structure, effectively improves the backlight assembly, leads the light source of the light source emitter to be continuously reflected for many times, further leads the light source to be parallelly guided to the liquid crystal display screen body as much as possible, improves the light utilization rate, reduces the light leakage probability and saves energy.
Description
Technical Field
The invention relates to the field of electronic display screens, in particular to a mobile phone liquid crystal display screen capable of preventing light leakage.
Background
The color screens of the mobile phones are different due to the difference of L CD quality and research and development technologies, and the types of the color screens are TFT, TFD, UFB, STN and O L ED.
However, the existing mobile phone liquid crystal display screen has low utilization rate of light of a light source, and is easy to leak out from each gap of a frame, so that halation appears at the edge position.
Disclosure of Invention
The invention aims to overcome the defects that the light utilization rate of a light source is low, the light is easy to leak out from each gap of a frame and halo appears at the edge position in the prior art, and provides a mobile phone liquid crystal display screen for preventing light leakage. This cell-phone liquid crystal display can make the light source of lamp source emitter through reflecting constantly many times, and then makes it guide to the liquid crystal display body as much as possible in parallel, improves light utilization ratio, reduces the light leak probability, the energy saving.
The above problems to be solved by the present invention are achieved by the following technical solutions:
the utility model provides a cell-phone liquid crystal display of leak protection light, includes frame, liquid crystal display body and backlight unit, backlight unit is located liquid crystal display body rear side just backlight unit fixes in the spacing cavity of frame, backlight unit includes parallel light beam layer, light beam adjustment layer, polaroid and light source transmission layer, the parallel light beam layer is located the rear side of liquid crystal display body, the light beam adjustment layer is located the rear side on parallel light beam layer, the rear side on light beam adjustment layer is fixed to the polaroid, the light source transmission layer is fixed at the rear side of polaroid and is fixed in the bottom of spacing cavity.
Preferably, the parallel light beam layer comprises at least one parallel light beam layer, the parallel light beam layer comprises a light-gathering bevel opening and a convex lens, the light-gathering bevel opening is located at the inner bottom of the parallel light beam layer, the convex lens is located at the inner top of the parallel light beam layer, and the central line of the convex lens penetrates through the central point of the light-gathering bevel opening. This scheme can carry through layering in batches light through at least one parallel light beam layering and spotlight bevel connection and convex lens to convert the light of diffusion type into parallel type light and carry out the transport in order, improve light utilization ratio, reduce the light leakage rate.
Preferably, the light-gathering bevel opening is trapezoidal, and the inclination angle of the side edge of the light-gathering bevel opening is 50-75 degrees. This scheme can be as far as possible go out light guide through the spotlight bevel connection of certain suitable inclination to in order to adapt to the light beam adjustment layer of lower part to the light emission route.
Preferably, the beam adjustment layer comprises at least one beam adjustment layer, and the inner wall of the beam adjustment layer different from the polarizer is provided with a reflective concave arc block. The light beam transmission guiding device can transmit and guide light rays diffused to the light beam adjusting layer through the reflecting concave arc block, so that the light rays are more and more quickly transmitted into the parallel light beam layer.
Preferably, the reflective concave arc block is a circular arc occupying thirty to forty-five percent of a circle. The scheme can lead out diffused light as far as possible by the aid of the circular arc which occupies thirty-to-forty-five-percent of the circle, and can achieve a good effect by being matched with the light-gathering bevel opening.
The scheme can improve the utilization rate of light rays and reduce the diffusion of the light rays to the inner wall by the L ED lamp bodies of the light source emission layers with the same number, the number of parallel light beam layers of the light beam adjusting layers and the light beam adjusting layers.
Preferably, a reflection bevel edge is fixed at the top end of the inner wall of the limiting cavity, the inclination angle α of the reflection bevel edge is 55-75 degrees, and the scheme can enable a small amount of light rays diffused to be reflected back through the reflection bevel edge with a certain proper inclination angle, so that the diffusion of the light rays out of the frame is reduced as much as possible.
Preferably, the middle part of the inner wall of the limiting cavity is fixed with a positioning assembly, the positioning assembly comprises a sucker, an elastic component and a positioning block, the positioning block is fixed on the inner wall of the limiting cavity and is connected with the sucker through the elastic component, and the sucker and the backlight assembly are tightly attached to be fixedly connected. According to the scheme, the backlight assembly can be better attached to the inner wall of the frame by mutually matching the parts of the positioning assembly, and the fallen display screen can be corrected to be restored as far as possible, so that dislocation is avoided.
The structure of the mobile phone liquid crystal display screen has the advantages that the structure is provided with the frame, the liquid crystal display screen body and the backlight assembly, the backlight assembly comprises the parallel light beam layer, the light beam adjusting layer, the polaroid and the light source emitting layer, light emitted by the L ED lamp body of the light source emitting layer enters the light-gathering bevel of the parallel light beam layer corresponding to the normal phase and is adjusted into parallel irradiation through the convex lens to be subjected to backlight irradiation, the light radiated on the inner wall of the light beam adjusting layer is reflected by the large-batch reflection concave arc blocks, the heat radiation light can be further conveyed to the convex lens as far as possible through the proper and reasonable inclination angle of the light-gathering bevel, the utilization rate of the light is improved, the structure is reasonable, the backlight assembly is effectively improved, the light source of the light source emitting body is reflected repeatedly, the light source is guided to the liquid crystal display screen body as far as possible, the light leakage rate is improved, the light leakage rate is reduced, and the energy is saved.
Drawings
Fig. 1 is a structural view of a mobile phone liquid crystal display screen for preventing light leakage according to the present invention.
Fig. 2 is a BB cross-sectional structure of the mobile phone liquid crystal display for preventing light leakage according to the present invention.
Fig. 3 is an enlarged structural view of the portion D of the mobile phone liquid crystal display screen for preventing light leakage according to the present invention.
Fig. 4 is a partial enlarged structural view of the mobile phone liquid crystal display screen for preventing light leakage according to the present invention.
Fig. 5 is an enlarged structural view of part C of the mobile phone liquid crystal display screen for preventing light leakage according to the present invention.
Fig. 6 is an enlarged structural view of a portion a of the mobile phone liquid crystal display screen for preventing light leakage according to the present invention.
1-6 of figure, 1-frame, 2-liquid crystal display screen body, 3-limit cavity, 4-positioning component, 5-backlight component, 6-parallel light beam layer, 7-light beam adjusting layer, 8-polaroid, 9-light source emitting layer, 10-reflection inclined edge, 11-condensation inclined opening, 12-convex lens, 13-reflection concave arc block, 14-L ED lamp body, 15-sucking disc, 16-elastic component and 17-positioning block.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the invention in any manner.
Example 1:
the directional designations of "front", "rear", "left" and "right" described in this specification are determined according to the schematic drawings used in this specification.
As shown in fig. 1-2, the mobile phone liquid crystal display screen with light leakage prevention comprises a frame 1, a liquid crystal display screen body 2 and a backlight assembly 5, wherein the backlight assembly 5 is integrally fixed at the rear side of the liquid crystal display screen body 2, and the liquid crystal display screen body 2 and the backlight assembly 5 are tightly clamped and fixed on the inner wall of a limit cavity 3 in the frame 1; backlight unit 5 includes parallel beam layer 6, beam adjustment layer 7, polaroid 8 and light source emission layer 9, parallel beam layer 6 hugs closely and fixes the rear side at liquid crystal display body 2, beam adjustment layer 7 hugs closely and fixes the rear side at parallel beam layer 6, polaroid 8 fixes the rear side at beam adjustment layer 7, light source emission layer 9 fixes the rear side at polaroid 8 and hugs closely and fixes the bottom at spacing cavity 3.
Example 2:
the directional designations of "front", "rear", "left" and "right" described in this specification are determined according to the schematic drawings used in this specification.
The mobile phone liquid crystal display screen for preventing light leakage as shown in fig. 1-5 comprises all the technical characteristics of embodiment 1, the parallel light beam layer 6 comprises at least one parallel light beam layer, the parallel light beam layer comprises a light-gathering bevel 11 and a convex lens 12, the light-gathering bevel 11 is positioned at the inner bottom of the parallel light beam layer 6, the convex lens 12 is positioned at the inner top of the parallel light beam layer 6, the central line of the convex lens 12 passes through the central point of the light-gathering bevel 11, the light-gathering bevel 11 is trapezoidal, the inclination angle of the side edge of the light-gathering bevel 11 is 50-75 degrees, the light beam adjusting layer 7 comprises at least one light beam adjusting layer, the inner wall of the light beam adjusting layer different from the polarizer 8 is provided with a reflecting concave arc block 13, the reflecting concave arc block 13 is an arc occupying thirty-forty-five percent of a circle, the surfaces of the parallel light beam layer and the reflecting concave arc block 13 are both provided with inherent reflecting films, the number of L ED light source emission lamp bodies 14 is consistent with the number of the parallel light beam adjusting layer 7 and the number of the light beam adjusting layer, the inclined edge of the cavity is fixed with the inclined angle of α -10 degrees.
Example 3:
the directional designations of "front", "rear", "left" and "right" described in this specification are determined according to the schematic drawings used in this specification.
As shown in fig. 1-6, the light leakage preventing mobile phone lcd screen includes all the technical features of embodiment 1 or 2, a positioning assembly 4 is fixed in the middle of the inner wall of the limiting cavity 3, the positioning assembly 4 includes a suction cup 15, an elastic component 16 and a positioning block 17, the positioning block 17 is fixed on the inner wall of the limiting cavity 3 and connected with the suction cup 15 through the elastic component 16, and the suction cup 15 is fixedly connected with the backlight assembly 5 in an adsorbing manner.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a cell-phone liquid crystal display of leak protection light, includes frame (1), liquid crystal display body (2) and backlight unit (5), backlight unit (5) are located liquid crystal display body (2) rear side just backlight unit (5) are fixed in spacing cavity (3) of frame (1), its characterized in that, backlight unit (5) are including parallel beam layer (6), beam adjustment layer (7), polaroid (8) and light source emission layer (9), parallel beam layer (6) are located the rear side of liquid crystal display body (2), beam adjustment layer (7) are located the rear side of parallel beam layer (6), the rear side at beam adjustment layer (7) is fixed in polaroid (8), light source emission layer (9) are fixed at the rear side of polaroid (8) and are fixed in the bottom of spacing cavity (3).
2. A light leakage preventing mobile phone lcd according to claim 1, wherein the parallel light beam layer (6) comprises at least one parallel light beam layer, the parallel light beam layer comprises a light converging bezel (11) and a convex lens (12), the light converging bezel (11) is located at the inner bottom of the parallel light beam layer (6), the convex lens (12) is located at the inner top of the parallel light beam layer (6) and the center line of the convex lens (12) passes through the center point of the light converging bezel (11).
3. The mobile phone liquid crystal display screen with light leakage prevention according to claim 2, wherein the light-gathering bezel (11) is trapezoid and the side of the light-gathering bezel (11) has an inclination angle of 50-75 degrees.
4. The mobile phone LCD screen of claim 2, characterized in that the beam adjusting layer (7) comprises at least one beam adjusting layer, and the inner wall of the beam adjusting layer different from the polarizer (8) is provided with a reflective concave arc block (13).
5. The LCD mobile phone display for preventing light leakage of claim 4, wherein the reflective concave arc block (13) is an arc of a circle occupying thirty to forty-five percent.
6. The LCD mobile phone screen of claim 4, wherein the L ED lamp bodies (14) of the light source emission layer (9) are equal in number to the parallel light beam layers and the light beam adjusting layers of the light beam adjusting layer (7).
7. The mobile phone liquid crystal display screen for preventing light leakage of claim 1, wherein the top end of the inner wall of the limiting cavity (3) is fixed with a reflecting bevel edge (10), and the inclined angle α of the reflecting bevel edge (10) is 55-75 degrees.
8. The light leakage preventing mobile phone liquid crystal display screen according to any one of claims 1-7, wherein a positioning assembly (4) is fixed in the middle of the inner wall of the limiting cavity (3), the positioning assembly (4) comprises a suction cup (15), an elastic component (16) and a positioning block (17), the positioning block (17) is fixed on the inner wall of the limiting cavity (3) and connected with the suction cup (15) through the elastic component (16), and the suction cup (15) is closely attached to and fixedly connected with the backlight assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231801.4A CN111505863A (en) | 2020-03-27 | 2020-03-27 | Cell-phone liquid crystal display of leak protection light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231801.4A CN111505863A (en) | 2020-03-27 | 2020-03-27 | Cell-phone liquid crystal display of leak protection light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111505863A true CN111505863A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010231801.4A Pending CN111505863A (en) | 2020-03-27 | 2020-03-27 | Cell-phone liquid crystal display of leak protection light |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001305306A (en) * | 2000-02-14 | 2001-10-31 | Fuji Photo Film Co Ltd | Collimating plate, lighting system and liquid crystal display |
| US20070189024A1 (en) * | 2003-07-16 | 2007-08-16 | Kohei Nanbu | Liquid crystal display device and backlight unit |
| CN105425464A (en) * | 2015-12-28 | 2016-03-23 | 武汉华星光电技术有限公司 | Liquid crystal display module |
| CN207817362U (en) * | 2018-02-10 | 2018-09-04 | 高安市华显晶显示技术有限公司 | A kind of LCM modules |
| CN209821551U (en) * | 2019-03-28 | 2019-12-20 | 深圳市海菲创新科技有限公司 | Ultra-thin wide-viewing-angle liquid crystal module |
| CN209858895U (en) * | 2019-06-13 | 2019-12-27 | 深圳市高展光电有限公司 | Light leakage prevention structure of LCD (liquid crystal display) module |
-
2020
- 2020-03-27 CN CN202010231801.4A patent/CN111505863A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001305306A (en) * | 2000-02-14 | 2001-10-31 | Fuji Photo Film Co Ltd | Collimating plate, lighting system and liquid crystal display |
| US20070189024A1 (en) * | 2003-07-16 | 2007-08-16 | Kohei Nanbu | Liquid crystal display device and backlight unit |
| CN105425464A (en) * | 2015-12-28 | 2016-03-23 | 武汉华星光电技术有限公司 | Liquid crystal display module |
| CN207817362U (en) * | 2018-02-10 | 2018-09-04 | 高安市华显晶显示技术有限公司 | A kind of LCM modules |
| CN209821551U (en) * | 2019-03-28 | 2019-12-20 | 深圳市海菲创新科技有限公司 | Ultra-thin wide-viewing-angle liquid crystal module |
| CN209858895U (en) * | 2019-06-13 | 2019-12-27 | 深圳市高展光电有限公司 | Light leakage prevention structure of LCD (liquid crystal display) module |
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Application publication date: 20200807 |
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