CN111766741A - Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof - Google Patents
Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof Download PDFInfo
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- CN111766741A CN111766741A CN202010592992.7A CN202010592992A CN111766741A CN 111766741 A CN111766741 A CN 111766741A CN 202010592992 A CN202010592992 A CN 202010592992A CN 111766741 A CN111766741 A CN 111766741A
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- guide plate
- light guide
- edge
- light
- black
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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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a light guide plate black edge structure applied to an ultra-narrow display module and a setting method thereof, wherein the light guide plate black edge structure comprises a display panel, a rubber frame which is arranged on one side of the back of the display panel and is distributed in a mirror image mode is arranged on the back of the display panel, an upper diffusion membrane and a lower diffusion membrane are also arranged on the back of the display panel, brightness enhancement sheets are directly arranged on the upper diffusion membrane and the lower diffusion membrane, a light guide plate is arranged under the lower diffusion membrane, a light absorption black edge is arranged on one side of the light guide plate, which is close to the lower diffusion membrane, black particles are printed or black coating is added on the edge of a light emitting surface of the light guide plate to form a light absorption black edge, and when side bright lines of the light guide plate are emitted from the side edge, the side. The black edge structure is added on the edge of the light-emitting surface of the light guide plate, so that the invisible area of the edge of the module can be reduced to the maximum extent, the frame area of the whole display module is finally reduced, and the edge of the display module becomes narrower.
Description
Technical Field
The invention relates to the technical field of display terminals, in particular to a black edge structure of a light guide plate applied to an ultra-narrow display module and a setting method thereof.
Background
The backlight module is one of the key components of the liquid crystal display panel, and has the functions of supplying sufficient light sources with uniform brightness and distribution to enable the liquid crystal display panel to normally display images, the backlight source is used for providing the light sources of the liquid crystal display panel, mainly comprises the light sources, a light guide plate, an optical film, a plastic frame and the like, is influenced by the current industrial layout factors, a photoelectric display industry chain is in a vertical distribution state, the backlight source needs to be packaged as an assembly part and then delivered, and then a liquid crystal display screen is covered, so that the liquid crystal display module is formed, along with the continuous development of the technology, the requirements of consumers on the liquid crystal display industry are higher, and the ultra-narrow and ultra-thin liquid crystal display module becomes a new. In the backlight module, the light guide plate plays a role of diffuse reflection and provides a surface light source for the display module, however, because of the optical property of the light guide plate, the light at the edge can be directly emitted from the side edge, thereby causing the side edge to have a shining phenomenon, in order to avoid the side edge shining when the screen is displayed, the shielding of the side edge shining line needs to be considered in the design process of the display module, the black area is added in the visible area at the edge of the module for shading, thereby shading the side edge shining line, the larger the black area at the edge is, the smaller the visible area is correspondingly, the larger the thickness of the module frame is, the more unfavorable for the development of the display module towards the direction with the ultra-narrow edge, the original module is designed, in order to avoid the side edge shining line, the black printing ink is added at the edge of the optical film of the module for shading, the black area for shading in this way is very large, the development of the module towards the narrower, a black edge structure of a light guide plate applied to an ultra-narrow display module and a setting method thereof are provided.
Disclosure of Invention
The invention aims to provide a black edge structure of a light guide plate applied to an ultra-narrow display module and a setting method thereof.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a be applied to black limit structure of light guide plate of super narrow display module assembly, includes display panel, the display panel back is equipped with one side and is equipped with the gluey frame that is the mirror image distribution of each other, and the display panel back still is equipped with diffusion diaphragm and lower diffusion diaphragm, goes up the diffusion diaphragm and directly is equipped with the brightness enhancement film with lower diffusion diaphragm, and lower diffusion diaphragm issues and is equipped with the light guide plate, and the light guide plate is close to being equipped with extinction black limit on one side of diffusion diaphragm down, and the light guide plate both ends are the side.
A method for setting a black edge structure of a light guide plate applied to an ultra-narrow display module comprises the following steps:
the method comprises the following steps: measuring the thickness of the light guide plate to obtain the length of the side bright line;
step two: printing black particles or adding black coating on the edge of the light-emitting surface of the light guide plate to form a light-shading light-absorbing black edge;
step three: when the side bright line of the light guide plate is emitted from the side, the side bright line passes through the light absorption black edge at the edge of the light emitting surface of the light guide plate;
step four: an observer observes the light guide plate on the front side of the display panel, and the observation angle formed by the observer and the side bright line is at least 45 degrees;
step five: observing whether the side bright lines are absorbed by the light absorption black edges at the edge of the light emergent side;
step six: the side bright lines cannot be observed, namely the side bright lines cannot reach the lower diffusion film, the intensifying film and the upper diffusion film after being absorbed, so that the bright lines are eliminated.
The invention has the beneficial effects that:
1. according to the invention, black particles are printed or black coating is added on the edge of the light-emitting surface of the light guide plate, so that a black edge structure is generated on the edge of the light-emitting surface of the light guide plate, and the side bright lines are absorbed by the black edge structure on the edge of the light-emitting side when being emitted from the LGP, so that the side bright lines are eliminated;
2. according to the invention, the black edge structure is added on the edge of the light-emitting surface of the light guide plate, and the light guide plate is positioned in the direct light-emitting area at the bottommost layer of the module, so that the invisible area of the edge of the module can be reduced to the maximum extent, the frame area of the whole display module is finally reduced, the edge of the display module becomes narrower, and the ultra-narrow design of the module is realized.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a black edge structure of a light guide plate applied to an ultra-narrow display module according to the present invention;
FIG. 2 is a schematic diagram of a side bright line light path of a black edge structure of a light guide plate applied to an ultra-narrow display module according to the present invention.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The utility model provides a be applied to black limit structure of light guide plate of super narrow display module assembly, including display panel 1, as shown in FIG. 1, the 1 back of display panel is equipped with one side and is equipped with the gluey frame 2 that is the mirror image distribution of each other, the 1 back of display panel still is equipped with diffusion diaphragm 3 and lower diffusion diaphragm 5, upward diffusion diaphragm 3 directly is equipped with the brightness enhancement film 4 with lower diffusion diaphragm 5, diffusion diaphragm 5 down issues and is equipped with light guide plate 6, light guide plate 6 is close to being equipped with extinction black limit 7 of diffusion diaphragm 5 one side down, 6 both ends of light guide plate are side light 8.
A method for setting a black edge structure of a light guide plate applied to an ultra-narrow display module comprises the following steps:
the method comprises the following steps: measuring the thickness of the light guide plate 6 to obtain the length of the side bright line 8;
step two: printing black particles or adding black coating on the edge of the light-emitting surface of the light guide plate 6 to form a light-shading black edge 7;
step three: when the side bright line 8 of the light guide plate 6 is emitted from the side, the side bright line passes through the light absorption black edge 7 at the edge of the light emergent surface of the light guide plate 6;
step four: an observer observes the light guide plate 6 at the front of the display panel 1, and as shown in fig. 2, the observation angle formed by the light guide plate and the side bright line 8 is at least 45 °;
step five: observing whether the side bright line 8 is absorbed by the light absorption black edge 7 at the edge of the light emergent side;
step six: the side bright lines 8 cannot be observed, that is, the side bright lines 8 cannot reach the lower diffusion film 5, the intensifying film 4 and the upper diffusion film 3 after being absorbed, so that the bright lines are eliminated.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (2)
1. The utility model provides a be applied to black limit structure of light guide plate of super narrow display module assembly, includes display panel (1), a serial communication port, display panel (1) back is equipped with one side and is equipped with gluey frame (2) that the mirror image distributes mutually, and display panel (1) back still is equipped with diffusion diaphragm (3) and diffusion diaphragm (5) down, goes up diffusion diaphragm (3) and is directly equipped with brightness enhancement film (4) with diffusion diaphragm (5) down, and lower diffusion diaphragm (5) are issued and are equipped with light guide plate (6), and light guide plate (6) are close to being equipped with extinction black limit (7) of diffusion diaphragm (5) one side down, and light guide plate (6) both ends are side light (8).
2. The method for setting the black edge structure of the light guide plate applied to the ultra-narrow display module is characterized by comprising the following steps of:
the method comprises the following steps: measuring the thickness of the light guide plate (6) to obtain the length of the side bright line (8);
step two: printing black particles or adding black coating on the edge of the light-emitting surface of the light guide plate (6) to form a light-shading black edge (7);
step three: when the side bright lines (8) of the light guide plate (6) are emitted from the side, the side bright lines pass through the light absorption black edges (7) at the edge of the light emergent surface of the light guide plate (6);
step four: an observer observes the light guide plate (6) on the front surface of the display panel (1), and the observation angle formed by the observer and the side bright line (8) is at least 45 degrees;
step five: observing whether the side bright lines (8) are absorbed by the light absorption black edges (7) at the edge of the light emergent side;
step six: the side bright lines (8) cannot be observed, namely the side bright lines (8) cannot reach the lower diffusion diaphragm (5), the intensifying diaphragm (4) and the upper diffusion diaphragm (3) after being absorbed, so that the bright lines are eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592992.7A CN111766741A (en) | 2020-06-25 | 2020-06-25 | Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592992.7A CN111766741A (en) | 2020-06-25 | 2020-06-25 | Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof |
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| CN111766741A true CN111766741A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010592992.7A Pending CN111766741A (en) | 2020-06-25 | 2020-06-25 | Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255836A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Side light leakage backlight module suitable for super narrow frame solution |
| CN114280843A (en) * | 2021-12-23 | 2022-04-05 | 武汉华星光电技术有限公司 | Backlight module and display module |
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| CN102354014A (en) * | 2011-08-15 | 2012-02-15 | 友达光电股份有限公司 | Light guide plate with support ribs and display module using same |
| WO2016101383A1 (en) * | 2014-12-23 | 2016-06-30 | 深圳市华星光电技术有限公司 | Narrow bezel display device |
| CN106094336A (en) * | 2016-07-29 | 2016-11-09 | 京东方科技集团股份有限公司 | Display device and manufacture method thereof |
| CN109581738A (en) * | 2017-09-29 | 2019-04-05 | 夏普株式会社 | Lighting device and display device |
| CN110673389A (en) * | 2019-09-09 | 2020-01-10 | 武汉华星光电技术有限公司 | Backlight module and display device |
-
2020
- 2020-06-25 CN CN202010592992.7A patent/CN111766741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354014A (en) * | 2011-08-15 | 2012-02-15 | 友达光电股份有限公司 | Light guide plate with support ribs and display module using same |
| WO2016101383A1 (en) * | 2014-12-23 | 2016-06-30 | 深圳市华星光电技术有限公司 | Narrow bezel display device |
| CN106094336A (en) * | 2016-07-29 | 2016-11-09 | 京东方科技集团股份有限公司 | Display device and manufacture method thereof |
| CN109581738A (en) * | 2017-09-29 | 2019-04-05 | 夏普株式会社 | Lighting device and display device |
| CN110673389A (en) * | 2019-09-09 | 2020-01-10 | 武汉华星光电技术有限公司 | Backlight module and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255836A (en) * | 2020-11-03 | 2021-01-22 | 重庆翰博光电有限公司 | Side light leakage backlight module suitable for super narrow frame solution |
| CN114280843A (en) * | 2021-12-23 | 2022-04-05 | 武汉华星光电技术有限公司 | Backlight module and display module |
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Application publication date: 20201013 |
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