CN108897165B - Display device - Google Patents
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- CN108897165B CN108897165B CN201810756117.0A CN201810756117A CN108897165B CN 108897165 B CN108897165 B CN 108897165B CN 201810756117 A CN201810756117 A CN 201810756117A CN 108897165 B CN108897165 B CN 108897165B
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- light
- display device
- guide plate
- backlight module
- emitting device
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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
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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
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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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
Abstract
The invention discloses a display device, comprising: the backlight module comprises a light guide plate and a side-in type light-emitting source, and a light-emitting surface of the side-in type light-emitting source is opposite to the light guide plate; the hollow part penetrates through the light guide plate in the direction vertical to the backlight module; the electronic component is embedded in the hollow part; the micro light-emitting device is embedded in one side of the electronic assembly, and the light-emitting surface of the micro light-emitting device is positioned on one side, away from the side-in light-emitting light source, of the electronic assembly. Through embedding the micro light-emitting device in the electronic component, the appearance of dark areas can be avoided or reduced under the condition that other components of the backlight module are not changed, so that the light distribution in the whole backlight module is more uniform, and the display performance of the display device is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
The conventional display device comprises a display panel and a backlight module which is arranged on the back of the display panel and provides brightness for the display panel. As the display device is developed toward a thinner and narrower frame, the backlight structure with single-side light incident, i.e., the side-light backlight source, is generally adopted in the middle and small-sized display devices (such as smart phones, tablet computers, etc.). The lateral backlight source and the light guide plate are positioned on the light incident side of the lateral backlight source, and the linear light source is converted into a surface light source, so that light is uniformly distributed in the display panel. Nowadays, people have higher and higher multifunctional requirements for display devices, and more display devices need to be additionally provided with electronic components, such as a camera, a receiver and the like.
Disclosure of Invention
In view of the above, the present invention provides a display device, which includes a backlight module, the backlight module includes a light guide plate and a side-in light-emitting source, and a light-emitting surface of the side-in light-emitting source is disposed opposite to the light guide plate; the hollow part penetrates through the light guide plate in the direction vertical to the backlight module; the electronic component is embedded in the hollow part; the micro light-emitting device is embedded in one side of the electronic assembly, and the light-emitting surface of the micro light-emitting device is positioned on one side, away from the side-in light-emitting light source, of the electronic assembly.
Compared with the prior art, the display device provided by the embodiment of the invention at least realizes the following
Has the advantages that:
according to the display device provided by the embodiment of the invention, the at least one micro light-emitting device is embedded in the groove on the side face of the electronic component, the light-emitting surface of the micro light-emitting device is the side away from the side-entering type light-emitting source, the central position of the assembled micro light-emitting device is flush with the central position of the light guide plate, and the micro light-emitting device and the side-entering type backlight source are lightened and lightened simultaneously, so that the dark area behind the hole digging area of the backlight module can be compensated by the light emitted by the micro light-emitting device, the shadow area behind the hole of the backlight module caused by the hole forming is eliminated or reduced, the light provided by the backlight module is more uniform, the display performance of the display device is improved, and the display quality of the display device is improved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic plan view of a display device provided in the prior art;
fig. 2 is a schematic plan view of a display device according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the display device provided in FIG. 2 along a section line MM';
fig. 4 is a schematic plan view of another display device provided in an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the display device shown in FIG. 4 along the section line NN';
FIG. 6 is an enlarged schematic view of the display device provided in FIG. 4 in a region P;
FIG. 7 is a schematic view of an electronic assembly provided by an embodiment of the invention;
fig. 8 is a schematic plan view illustrating a display device according to another embodiment of the present invention;
fig. 9 is a schematic plan view illustrating a display device according to another embodiment of the present invention;
fig. 10 is a schematic cross-sectional view of the display device provided in fig. 9 along a section line QQ'.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In a display device provided by the prior art, since the backlight module is provided with a hole for backlight, light rays in a region behind the hole are blocked and cannot be normally transmitted, and therefore, a dark region appears on a backlight side of the hole digging region, and the dark region is more obvious when the hole digging region is larger. Referring to fig. 1, fig. 1 is a schematic plan view of a display device provided in the prior art. As shown in fig. 1, including the backlight module 01, when a light L emitted by a light source 02 of the backlight module 01 passes through the hole digging region 03, the light L is blocked by the hole digging region 03, and therefore, a region S where a side of the hole digging region 03 departing from the light source 02 is located is a dark region.
Therefore, how to improve the display quality of the display panel is one of the technical problems that needs to be solved in the art.
Referring to fig. 2 to fig. 3, fig. 2 is a schematic plan view of a display device according to an embodiment of the invention, and fig. 3 is a schematic cross-sectional view of the display device shown in fig. 2 along a section line MM'. As shown in fig. 2 to 3, an embodiment of the present invention provides a display device, including: the backlight module 100 comprises a light guide plate 1 and a side-in type light emitting source 2, wherein a light emitting surface of the side-in type light emitting source 2 is opposite to the light guide plate 1; the hollow part C penetrates through the light guide plate 1 in the direction perpendicular to the backlight module 100; the electronic component 3 is embedded in the hollow part C; the micro light-emitting device 4 is embedded in one side of the electronic component 3, and the light-emitting surface S1 of the micro light-emitting device 4 is located on one side of the electronic component 3 departing from the lateral light-emitting source 2. It is to be understood that the electronic component in the present embodiment may be an electronic component capable of operating independently from the backlight module, such as an earphone, a camera, a microphone, and the like, and the present invention is not limited thereto.
Optionally, with continued reference to fig. 3, the micro light emitting devices 4 are illuminated simultaneously with the side-in backlight 2.
Specifically, as shown in fig. 2-3, a hollow portion C of the backlight module 100 penetrates through the light guide plate 1, the electronic component 3 is embedded in the hollow portion C, and a micro light emitting device 4 is disposed on a side of the electronic component 3 away from the side-entry light emitting source 2. Optionally, the micro light emitting device 4 is lit simultaneously with the side-entry light emitting source 2. It is understood that the micro light emitting devices 4 may be light emitting devices such as light emitting diodes that provide a light source.
In the technical scheme provided by the prior art, due to the arrangement of the hollow part C, a shadow or a dark light can appear in the area B on one side of the hollow part C departing from the side-entry light emitting source 2. By adopting the display device provided by the embodiment, at least one micro light-emitting device 4 is embedded in the side groove of the electronic component 3, the light-emitting surface S1 of the micro light-emitting device 4 is the side away from the side-in light-emitting source 2, the assembled center position of the micro light-emitting device 4 is flush with the center position of the light guide plate 1, and the micro light-emitting device 4 and the side-in backlight source 2 are simultaneously lighted, so that the dark area behind the hollow-out part C of the backlight module 100 can be compensated by the light emitted by the micro light-emitting device 4, therefore, the shadow area behind the hole of the backlight module caused by the hole opening can be eliminated or reduced under the condition of not changing other components of the backlight module, so that the light distribution in the whole backlight module is more uniform, the display performance of the display device is improved, and the display quality of the display device is improved.
Optionally, referring to fig. 3, the center position of the assembled micro light-emitting device 4 is flush with the center position of the light guide plate 1, that is, the center point of the light-emitting source of the micro light-emitting device 4 is flush with the center position of the cross section of the light guide plate, so that the linear light source emitted by the micro light-emitting device 4 can be fully converted into a planar light source.
In this embodiment, the center of the micro light emitting device 4 is flush with the center of the light guide plate 1, so that the light emitted by the micro light emitting device 4 can be more uniformly distributed in the light guide plate, the overall light distribution of the backlight module is more uniform, the display performance of the display device is improved, and the display quality of the display device is improved.
Optionally, with continued reference to fig. 2-3, the backlight module 100 includes a supporting iron frame 5 and a rubber frame 6, and the rubber frame 6 is embedded with the supporting iron frame 5; the supporting iron frame 5 comprises a first supporting part 51, and the first supporting part 51 is bent upwards at the edge of the hollow part C along the direction vertical to the plane of the light guide plate 1; the rubber frame 6 comprises a first sub-part 61, the first sub-part 61 is embedded with a first supporting part 51, and the first supporting part 51 is positioned between the first sub-part 61 and the electronic component 3; the side of the first support part 51 facing the light exit surface S1 of the micro light emitting device 4 includes a first opening K1, the side of the first sub-part 61 facing the light exit surface S1 of the micro light emitting device 4 includes a second opening K2, the first opening K1 and the second opening K2 overlap, and the micro light emitting device 4 is at least partially located in the first opening K1.
Specifically, in the present embodiment, the hollow portion C of the backlight module 100 penetrates through the light guide plate 1, the electronic component 3 is embedded in the hollow portion C, and a micro light emitting device 4 is disposed on a side of the electronic component 3 away from the side-in light emitting source 2. Optionally, the micro light emitting device 4 is lit simultaneously with the side-entry light emitting source 2. It is understood that the micro light emitting devices 4 may be light emitting devices such as light emitting diodes that provide a light source. The backlight module 100 comprises a supporting iron frame 5 and a rubber frame 6, the supporting iron frame 5 and the rubber frame 6 are provided with overlapped openings, the openings face to the direction of an area B (the area B is a dark area formed by backlight holes of the backlight module), at least part of the micro light-emitting device 4 is positioned in the first opening K1, light emitted by the micro light-emitting device 4 can be transmitted in the light guide plate 1 in the area B, the area of the area B is lightened, the dark area or shadow is eliminated, light in the whole backlight module is distributed more uniformly, the display performance of the display device is improved, and the display quality of the display device is improved.
Optionally, please refer to fig. 3, the light-shielding tape 71 is further included, and the light-shielding tape 71 is disposed around the hollow portion C to prevent light leakage from the hollow portion C.
Optionally, a light-shielding tape 72 is also provided at the edge of the display device.
Optionally, please continue to refer to fig. 3, which further includes a reflective film 8, a diffusion film 9, a lower prism 10, and an upper prism 20. It should be noted that, this embodiment only illustrates an example of which optical films may be included in the backlight module, and the invention is not limited to this.
Specifically, in this embodiment, the light-shielding tape 7 is a black single/double-sided tape having a light-shielding function, and the black film manufactured by using a unique printing process is used as a base material, so that the black film has excellent shielding property and insulating property, and not only can play a role of shielding light and preventing light from being transmitted from the hollow portion C, but also can play a role of bonding and fixing. It should be noted that the material of the light-shielding tape is not particularly limited.
Optionally, please refer to fig. 4, fig. 5, and fig. 6, in which fig. 4 is a schematic plan structure diagram of another display device according to an embodiment of the present invention, fig. 5 is a schematic cross-sectional structure diagram of the display device provided in fig. 4 along a section line NN', and fig. 6 is an enlarged schematic view of the display device provided in fig. 4 in a region P. As shown in fig. 4-6, a side of the hollow portion C of the light guide plate 1 facing the light emitting surface S1 of the micro light emitting device 4 includes a serrated edge 11, and the serrated edge 11 is located in the first opening K1.
Specifically, as shown in fig. 4-6, in the present embodiment, the hollow portion C of the backlight module 100 penetrates through the light guide plate 1, the electronic component 3 is embedded in the hollow portion C, and a micro light emitting device 4 is disposed on a side of the electronic component 3 away from the side-entry light emitting source 2. Optionally, the micro light emitting device 4 is lit simultaneously with the side-entry light emitting source 2. It is understood that the micro light emitting devices 4 may be light emitting devices such as light emitting diodes that provide a light source. The backlight module 100 comprises a supporting iron frame 5 and a rubber frame 6, the supporting iron frame 5 and the rubber frame 6 are provided with a first opening K1 and a second opening K2 which are overlapped, the opening faces one side of a light-emitting surface S1 of the micro light-emitting device 4, and according to the size of the first opening K1 (or the second opening K2), the edge of one side of the light-emitting surface S1 of the micro light-emitting device 4 on the light guide plate 1 is set to be in a zigzag shape, so that light rays emitted by the micro light-emitting device 4 can be favorably diffused, the light rays in the backlight module are distributed more uniformly, dark areas or shadows are eliminated, and the display performance of the display device is improved.
Alternatively, with continued reference to fig. 4, the number of micro light emitting devices 4 is one or more. Specifically, the number of the micro light emitting devices 4 may be adjusted according to the size of the first opening K1.
Optionally, referring to fig. 7, fig. 7 is a schematic view of an electronic component according to an embodiment of the present invention. As shown in fig. 7, the electronic assembly 3 comprises an earpiece and/or a camera.
Optionally, please refer to fig. 8, where fig. 8 is a schematic plan structure diagram of another display device according to an embodiment of the present invention. As shown in fig. 8, the shape of the hollow portion C is circular or elliptical. It can be understood that, since the micro light emitting device is embedded in the electronic component, a protruding structure may be disposed on a side of the hollow portion C facing the light emitting surface of the micro light emitting device.
Referring to fig. 9 to 10, fig. 9 is a schematic plan view of another display device according to an embodiment of the invention, and fig. 10 is a schematic cross-sectional view of the display device shown in fig. 9 along a sectional line QQ'. As shown in fig. 9-10, the display device provided in this embodiment further includes a display panel 200 disposed above a plane perpendicular to the backlight module, the display panel 200 includes a hollow area D, the hollow area D is disposed corresponding to the position of the hollow portion C, the hollow area D of the display panel 200 may be formed by digging a hole in the display panel 200, or may be formed by forming a photo-etching pattern in an area where the hollow area D needs to be formed, which is not limited in this application.
Specifically, the display device provided in the present embodiment includes a backlight module 100 and a display panel 200. The display panel includes a hollow area D, and the hollow area D corresponds to the hollow portion C of the backlight module 100. In the display device that this embodiment provided, through set up miniature light emitting device in electronic component, can light display device's dark space, eliminate or reduce display device's shade for display device luminance is more even when showing, improves display device's display performance, promotes display device's display quality.
Optionally, in the display device provided in the embodiment of the present invention, the display panel may be a liquid crystal display panel, and this is not particularly limited in the embodiment of the present invention.
As can be seen from the foregoing embodiments, the display device provided in the embodiments of the present invention at least achieves the following beneficial effects:
according to the display device provided by the embodiment of the invention, the at least one micro light-emitting device is embedded in the groove on the side face of the electronic component, the light-emitting surface of the micro light-emitting device is the side away from the side-entering type light-emitting source, the central position of the assembled micro light-emitting device is flush with the central position of the light guide plate, and the micro light-emitting device and the side-entering type backlight source are lightened and lightened simultaneously, so that the dark area behind the hole digging area of the backlight module can be compensated by the light emitted by the micro light-emitting device, the shadow area behind the hole of the backlight module caused by the hole forming is eliminated or reduced, the light provided by the backlight module is more uniform, the display performance of the display device is improved, and the display quality of the display device is improved.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A display device, comprising:
the backlight module comprises a light guide plate and a side-in type light-emitting source, wherein a light-emitting surface of the side-in type light-emitting source is opposite to the light guide plate;
the hollow part penetrates through the light guide plate in the direction perpendicular to the backlight module;
the electronic component is embedded in the hollow part;
the micro light-emitting device is embedded in one side face of the electronic assembly, and the light-emitting surface of the micro light-emitting device is positioned on one side, away from the lateral entrance type light-emitting source, of the electronic assembly;
the backlight module comprises a supporting iron frame and a rubber frame, and the rubber frame is embedded with the supporting iron frame;
the supporting iron frame comprises a first supporting part, and the first supporting part is bent upwards at the edge of the hollow part along the direction vertical to the plane where the light guide plate is located;
the rubber frame comprises a first sub-part, the first sub-part is embedded with the first supporting part, and the first supporting part is positioned between the first sub-part and the electronic component;
the side of the first supporting part facing the light emitting surface of the micro light emitting device comprises a first opening, the side of the first sub-part facing the light emitting surface of the micro light emitting device comprises a second opening, the first opening and the second opening are overlapped, and the micro light emitting device is at least partially positioned in the first opening.
2. The display device according to claim 1,
the center position of the assembled micro light-emitting device is flush with the center position of the light guide plate.
3. The display device according to claim 2,
the micro light emitting device and the side-in backlight are simultaneously lighted.
4. The display device according to claim 1,
one side, facing the light emitting surface of the micro light emitting device, of the hollow part on the light guide plate comprises a sawtooth-shaped edge, and the sawtooth-shaped edge is located in the first opening.
5. The display device according to claim 1,
the number of the micro light emitting devices is one or more.
6. The display device according to claim 1,
the electronic assembly includes an earpiece and/or a camera.
7. The display device according to claim 1,
the shape of the hollow-out part is circular or oval.
8. The display device according to claim 1,
the light shading adhesive tape is arranged around the hollow part to prevent the light leakage of the hollow part.
9. The display device according to any one of claims 1 to 8, further comprising a display panel disposed above a plane perpendicular to the backlight module, the display panel including a hollow corresponding to a position of the hollow.
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| CN201810756117.0A CN108897165B (en) | 2018-07-11 | 2018-07-11 | Display device |
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| CN201810756117.0A CN108897165B (en) | 2018-07-11 | 2018-07-11 | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109358451B (en) * | 2018-11-28 | 2020-10-13 | 武汉华星光电技术有限公司 | Backlight module and display device thereof |
| KR20200075730A (en) * | 2018-12-18 | 2020-06-26 | 엘지디스플레이 주식회사 | Display device |
| CN109459890B (en) * | 2018-12-25 | 2021-07-23 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN109613754A (en) * | 2018-12-28 | 2019-04-12 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN109445171B (en) * | 2018-12-29 | 2021-07-09 | 厦门天马微电子有限公司 | Display module, display device and manufacturing method of display device |
| CN109581746B (en) * | 2018-12-29 | 2021-04-30 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN110824778A (en) * | 2019-11-29 | 2020-02-21 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN111221168B (en) * | 2020-03-10 | 2022-04-12 | 厦门天马微电子有限公司 | Display module and control method thereof |
| CN114624912A (en) * | 2022-03-22 | 2022-06-14 | 武汉华星光电技术有限公司 | Display device and brightness adjusting method thereof |
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