CN115407558A - Display device and electronic equipment - Google Patents
Display device and electronic equipment Download PDFInfo
- Publication number
- CN115407558A CN115407558A CN202211055281.1A CN202211055281A CN115407558A CN 115407558 A CN115407558 A CN 115407558A CN 202211055281 A CN202211055281 A CN 202211055281A CN 115407558 A CN115407558 A CN 115407558A
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- Prior art keywords
- light
- light guide
- display panel
- display device
- guide plate
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- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 12
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02F1/133616—Front illuminating devices
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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)
- Planar Illumination Modules (AREA)
Abstract
The application discloses display device and electronic equipment, display device includes: the display panel is provided with a light-emitting surface; the light guide plate is arranged on one side of the light emergent surface of the display panel; the light source assembly is arranged on one side of the display panel, which is far away from the light guide plate; and the reflecting structure is positioned on the side edge of the display panel and is respectively connected to the light source component and the light guide plate. The technical effect of this application lies in, eliminates the light shadow of income light side in the vision, improves display effect.
Description
Technical Field
The application relates to the field of display, in particular to a display device and electronic equipment.
Background
The front light source and the liquid crystal module in the front light reflection type liquid crystal module of the existing design are arranged in parallel, namely the front light source is generally arranged at the side edge of the liquid crystal module, and in order to ensure that light can enter the reflection type liquid crystal, the mesh point of the light guide plate adopted in the front light reflection type liquid crystal module is generally directivity, so that the light can not be scattered after directly irradiating the light guide plate, and is still punctiform light, and the light side light shadow can appear on the picture during display, thereby affecting the display effect.
Disclosure of Invention
An object of the present invention is to provide a display device and an electronic apparatus, which can solve the technical problem that a light shadow on the light incident side is easily generated when the conventional front-light reflection type liquid crystal module displays a screen.
To achieve the above object, the present application provides a display device including: the display panel is provided with a light-emitting surface; the light guide plate is arranged on one side of the light emitting surface of the display panel; the light source component is arranged on one side of the display panel, which is far away from the light guide plate; and a reflection structure located at the side of the display panel and respectively connected to the light source assembly and the light guide plate.
Further, the light source assembly comprises: the light guide part is arranged on one side of the display panel, which is far away from the light guide plate; and the light source is arranged on one side of the light guide piece, which is far away from the display panel.
Furthermore, the light source is a point light source and emits point light rays, and the point light rays are uniformly changed into linear light rays after passing through the reflecting structure.
Furthermore, the light guide plate is provided with a light incident surface, and the light incident surface is positioned on the side edge of the light guide plate and corresponds to the reflection structure.
Furthermore, the display panel is provided with two reflecting structures which are respectively positioned at two opposite side edges of the display panel.
Furthermore, the reflecting structure is an arc-shaped structure, one side of the reflecting structure, which is close to the display panel, is a reflecting surface, and the reflecting surface is an arc surface.
Furthermore, the reflecting structure forms a closed cavity at the side of the display panel, and light rays emitted by the light source assembly are reflected in the closed cavity.
Further, a reflective coating is arranged on one side surface of the reflective structure close to the display panel.
Further, the light source includes a base plate and a light emitting unit; the light guide piece is arranged at the edge position of the display panel and is in lap joint with the light source on the bottom plate, the light source is provided with the light emitting unit which is positioned at the side surface of the light guide piece, the light guide piece and a side surface corresponding to the light emitting unit are light incidence surfaces of the light guide piece, the light emergence surface of the light guide piece is a side surface opposite to the light incidence surface, the light emergence surface of the light guide piece is correspondingly arranged with the reflection surface of the reflection structure, and the light emergence surface of the light guide piece and the light incidence surface of the light guide plate are positioned at the same side of the display panel.
To achieve the above object, the present application further provides an electronic device including the display device as described above.
The technical effect of this application lies in, becomes even linear light entering light guide plate after the punctiform light that will follow the light source outgoing through reflection configuration reflection, takes place the total reflection in the light guide plate, breaks up light, can eliminate the light side lamp shadow of going into in the vision, further improves the display effect of picture.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another display device provided in an embodiment of the present application;
fig. 3 is a schematic view illustrating light incident on a light guide plate according to an embodiment of the present disclosure.
Description of reference numerals:
100. a display panel; 200. a light guide plate; 300. a light source assembly; 400. a reflective structure;
101. a light-emitting surface;
201. a second light incident surface; 202. a second light emitting surface; 203. a third light emitting surface;
301. a light source; 302. a light guide;
311. a base plate; 321. a light emitting unit;
312. a first light incident surface; 322. a first light emitting surface;
401. a reflective surface; 410. sealing the cavity;
10. a complete stripe of light.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
As shown in fig. 1 to 3, an embodiment of the present application provides a display device and an electronic apparatus. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
As shown in fig. 1, the display device of the present embodiment includes a display panel 100, a light guide plate 200, a light source assembly 300, and a reflective structure 400. The display device is a front light reflection type liquid crystal module.
The display panel 100 has a light emitting surface 101, in this embodiment, the light emitting surface 101 is an upper surface of the display panel 100. The display panel 100 is a liquid crystal display panel in which reflective liquid crystal is disposed.
The light guide plate 200 is disposed on one side of the light emitting surface 101 of the display panel 100, that is, the light guide plate 200 is disposed on the upper surface of the display panel 100, and light incident on the light guide plate 200 enters the display panel 100 from the upper surface of the display panel 100 after being totally reflected by the light guide plate 200 and is then reflected upward. The light guide plate 200 has a light incident surface defined as a second light incident surface 201, which is located at a side of the light guide plate 200 and corresponds to the reflection structure 400. The light guide plate 200 is further provided with two light emitting surfaces disposed oppositely, and a side surface (i.e., a lower surface) of the light guide plate close to the display panel 100 is defined as a second light emitting surface 202, where the second light emitting surface 202 is used for emitting the totally reflected light to the display panel 100. A side surface (i.e., an upper surface) away from the display panel 100 is defined as a third light emitting surface 203, and the third light emitting surface 203 is used for emitting light from the display panel 100 outwards.
The light source assembly 300 is disposed on a side of the display panel 100 away from the light guide plate 200, and in this embodiment, the light source assembly 300 is disposed on a lower surface of the display panel 100 and at an edge of the display panel 100.
The light source assembly 300 includes a light source 301 and a light guide 302, the light guide 302 is disposed on one side of the display panel 100 away from the light guide plate 200, in this embodiment, the light guide 302 is disposed on the lower surface of the display panel 100, the light source 301 is disposed on one side of the light guide 302 away from the display panel 100, in this embodiment, the light source 301 is disposed below the light guide 302, and light is emitted from the light source 301 and is emitted after being guided by the light guide 302.
The light source 301 includes a bottom plate 311 and a light emitting unit 321, the bottom plate 311 is a base for supporting the light emitting unit 321, the light emitting unit 321 is generally a light emitting chip, such as an LED chip or a mini-LED chip, the light source 301 is a point light source, and light emitted by the light source 301 is a point light.
The light guide 302 is disposed at the edge of the display panel 100 and connected to the light source 301 on the bottom plate 311, the light emitting unit 321 of the light source 301 is located at the side of the light guide 302, the light guide 302 and a side surface corresponding to the light emitting unit 321 are light incident surfaces thereof, which are defined as a first light incident surface 312 in this embodiment, a light emitting surface of the light guide 302 is a side surface opposite to the first light incident surface 312 and is defined as a first light emitting surface 322, the first light emitting surface 322 of the light guide 302 is corresponding to a reflection surface 401 of the reflection structure 400, and the first light emitting surface 322 of the light guide 302 and the second light incident surface 201 of the light guide plate 200 are located at the same side of the display panel 100.
The reflective structure 400 is located at a side of the display panel 100, and is respectively connected to the light source assembly 300 and the light guide plate 200. The reflective structure 400 is an arc-shaped structure, and a reflective surface 401 is disposed on a side of the reflective structure close to the display panel 100, where the reflective surface 401 is an arc surface. In this embodiment, a reflective coating is disposed on a surface of the reflective structure 400 near one side of the display panel 100. The reflective structure 400 forms a closed cavity 410 at a side of the display panel 100, light emitted from the light source assembly 300 is reflected in the closed cavity 410 to prevent light leakage, and then the light is incident to the light guide plate 200 from the second light incident surface 201 of the light guide plate 200.
In this embodiment, the path of the light is: the light emitted from the light source 301 enters the first light incident surface 312 of the light guide 302, and exits from the first light emitting surface 322 of the light guide 302, the light enters the sealed cavity 410 formed by the reflective structure 400, and is reflected by the reflective surface 401 of the reflective structure 400 in the sealed cavity 410, at this time, the point-like light emitted from the light source 301 becomes a linear light, and a complete strip-like light 10 (see fig. 3) is formed, instead of an individual strip-like light strip, the linear light enters the light guide plate 200 from the second light incident surface 201 of the light guide plate 200, and after being totally reflected in the light guide plate 200, the linear light exits from the second light emitting surface 202, i.e., the lower light emitting surface, of the light guide plate 200 to the display panel 100, and after being reflected upward by the reflective liquid crystal in the display panel 100, the linear light exits from the light emitting surface 101, i.e., the upper surface, of the display panel to the light guide plate 200, and finally exits from the third light emitting surface 203, i.e., the upper surface, of the light guide plate 200. In this process, the point light emitted from the light source 301 sequentially passes through the light guide member 302 and the reflection structure 400 to form uniform linear light, so that the light shadow on the light incident side in vision can be eliminated, and the display effect can be further improved.
As shown in fig. 2, in other embodiments of the present application, the display device has two reflective structures 400 respectively located at two opposite sides of the display panel 100 to form double-sided light guiding. At this time, the description will be further made by taking an example of having two light source assemblies 300 at the same time, but of course, in other embodiments of the present application, there may be one light source assembly 300.
The two light source assemblies 300 are point light emitted from the light source 301, and are emitted into the sealed cavity 410 formed by the reflection structure 400 after passing through the light guide member 302 above the light source assembly, and are reflected by the reflection surface 401 of the reflection structure 400 to become uniform linear light, and the linear light enters the light guide plate 200 from the light incident surfaces on the two sides of the light guide plate 200, in this embodiment, the left side and the right side of the light guide plate 200 are light incident surfaces, and correspond to the two reflection structures 400 on the two sides respectively.
The embodiment also provides an electronic device, which includes the display device, and the electronic device is generally a notebook computer, a liquid crystal television, a mobile phone, a tablet computer, and the like, and all adopt a liquid crystal display screen as a screen thereof.
The display device and the electronic equipment have the technical effects that point-shaped light rays emitted from the light source are reflected by the reflecting structure and then are changed into uniform linear light rays to enter the light guide plate, total reflection is carried out in the light guide plate, the light rays are scattered, light shadows on the light incident side in vision can be eliminated, and the display effect of pictures is further improved.
The display device and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A display device, comprising:
the display panel is provided with a light-emitting surface;
the light guide plate is arranged on one side of the light emitting surface of the display panel;
the light source component is arranged on one side of the display panel, which is far away from the light guide plate; and
and the reflecting structure is positioned on the side edge of the display panel and is respectively connected to the light source assembly and the light guide plate.
2. The display device of claim 1, wherein the light source assembly comprises:
the light guide piece is arranged on one side of the display panel, which is far away from the light guide plate; and
the light source is arranged on one side, far away from the display panel, of the light guide piece.
3. The display device of claim 1,
the light source is a point light source and emits point light rays, and the point light rays are uniformly changed into linear light rays after passing through the reflecting structure.
4. The display device as claimed in claim 1, wherein the light guide plate has a light incident surface, and the light incident surface is disposed at a side of the light guide plate and corresponds to the reflection structure.
5. The display device of claim 1, wherein there are two of the reflective structures, one on each of the opposite sides of the display panel.
6. The display device of claim 1,
the reflecting structure is an arc-shaped structure, one side of the reflecting structure, which is close to the display panel, is a reflecting surface, and the reflecting surface is an arc surface.
7. The display device of claim 1,
the reflecting structure forms a closed cavity at the side edge of the display panel, and light rays emitted by the light source assembly are reflected in the closed cavity.
8. The display device of claim 1,
and a reflective coating is arranged on the surface of one side of the reflective structure, which is close to the display panel.
9. The display device of claim 2,
the light source comprises a bottom plate and a light emitting unit;
the light guide piece is arranged at the edge position of the display panel and is in lap joint with the light source on the bottom plate, the light source is provided with the light emitting unit which is positioned at the side surface of the light guide piece, the light guide piece and a side surface corresponding to the light emitting unit are light incidence surfaces of the light guide piece, the light emergence surface of the light guide piece is a side surface opposite to the light incidence surface, the light emergence surface of the light guide piece is correspondingly arranged with the reflection surface of the reflection structure, and the light emergence surface of the light guide piece and the light incidence surface of the light guide plate are positioned at the same side of the display panel.
10. An electronic device characterized by comprising the display device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211055281.1A CN115407558A (en) | 2022-08-30 | 2022-08-30 | Display device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211055281.1A CN115407558A (en) | 2022-08-30 | 2022-08-30 | Display device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115407558A true CN115407558A (en) | 2022-11-29 |
Family
ID=84163529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211055281.1A Pending CN115407558A (en) | 2022-08-30 | 2022-08-30 | Display device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115407558A (en) |
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|---|---|---|---|---|
| TW200409882A (en) * | 2002-07-11 | 2004-06-16 | Sharp Kk | Light guide device and display device |
| KR20080108753A (en) * | 2007-06-11 | 2008-12-16 | 삼성전자주식회사 | Light guide plate, back light assembly and liquid crystal display apparatus having the same |
| JP2010101989A (en) * | 2008-10-22 | 2010-05-06 | Panasonic Corp | Display device |
| CN104570483A (en) * | 2015-01-06 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104730768A (en) * | 2015-04-09 | 2015-06-24 | 京东方科技集团股份有限公司 | Reflection-type display device and display method thereof |
| CN205899068U (en) * | 2016-08-16 | 2017-01-18 | 合肥京东方显示光源有限公司 | Backlight module and display device |
| CN107561628A (en) * | 2017-09-05 | 2018-01-09 | 深圳市华星光电技术有限公司 | Display device, backlight module and its light guide plate |
| CN207164290U (en) * | 2017-01-03 | 2018-03-30 | 合肥京东方显示光源有限公司 | Light guide plate, backlight module and display device |
| TWM561814U (en) * | 2018-03-01 | 2018-06-11 | 揚昇照明股份有限公司 | Light source module and dual display device |
| CN108700263A (en) * | 2016-03-11 | 2018-10-23 | 夏普株式会社 | Lighting device and display device |
-
2022
- 2022-08-30 CN CN202211055281.1A patent/CN115407558A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200409882A (en) * | 2002-07-11 | 2004-06-16 | Sharp Kk | Light guide device and display device |
| KR20080108753A (en) * | 2007-06-11 | 2008-12-16 | 삼성전자주식회사 | Light guide plate, back light assembly and liquid crystal display apparatus having the same |
| JP2010101989A (en) * | 2008-10-22 | 2010-05-06 | Panasonic Corp | Display device |
| CN104570483A (en) * | 2015-01-06 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104730768A (en) * | 2015-04-09 | 2015-06-24 | 京东方科技集团股份有限公司 | Reflection-type display device and display method thereof |
| CN108700263A (en) * | 2016-03-11 | 2018-10-23 | 夏普株式会社 | Lighting device and display device |
| CN205899068U (en) * | 2016-08-16 | 2017-01-18 | 合肥京东方显示光源有限公司 | Backlight module and display device |
| CN207164290U (en) * | 2017-01-03 | 2018-03-30 | 合肥京东方显示光源有限公司 | Light guide plate, backlight module and display device |
| CN107561628A (en) * | 2017-09-05 | 2018-01-09 | 深圳市华星光电技术有限公司 | Display device, backlight module and its light guide plate |
| TWM561814U (en) * | 2018-03-01 | 2018-06-11 | 揚昇照明股份有限公司 | Light source module and dual display device |
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