CN111025721A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN111025721A CN111025721A CN201911328942.1A CN201911328942A CN111025721A CN 111025721 A CN111025721 A CN 111025721A CN 201911328942 A CN201911328942 A CN 201911328942A CN 111025721 A CN111025721 A CN 111025721A
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- substrate
- light
- display module
- support layer
- transmitting
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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
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Abstract
The invention discloses a display module and electronic equipment, wherein the display module is provided with a light-transmitting area (A), the display module comprises a first substrate (110), a second substrate (120), a light-transmitting support layer (130) and first filling adhesive (140), the first substrate (110) and the second substrate (120) are superposed, one surface of the first substrate (110) facing the second substrate (120) is provided with a thin film transistor, one side of the first substrate (110) departing from the second substrate (120) is provided with the light-transmitting support layer (130), the light-transmitting support layer (130) is connected with the first substrate (110) through the first filling adhesive (140), and at least one part of the light-transmitting support layer (130) and at least one part of the first filling adhesive (140) are positioned in the light-transmitting area (A). The scheme can solve the problem of poor performance of the optical device.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display module and electronic equipment.
Background
With the progress of technology and the development of electronic devices, the demand of users for full-screen electronic devices is gradually increasing, and full-screen is also gradually becoming a development trend.
The installation positions of optical devices such as a camera, a sensor, a light supplement lamp and the like are main factors for restricting the development of a comprehensive screen. In order to improve the screen occupation ratio of the electronic equipment, a light transmission area can be arranged on a display module of the electronic equipment, and optical devices such as a camera are arranged towards the light transmission area so as to realize the functions of the optical devices.
Specifically, the display module may include a first substrate and a second substrate stacked, and in order not to affect the light transmittance of the light-transmitting region, other structures may be disposed between portions of the first substrate and the second substrate located in the light-transmitting region as little as possible. Under the action of atmospheric pressure, the parts of the first substrate and the second substrate, which are positioned in the light-transmitting area, are easy to generate concave deformation, so that the optical performance of the light-transmitting area is affected, and the performance of an optical device is poor.
Disclosure of Invention
The invention discloses a display module and electronic equipment, which aim to solve the problem of poor performance of an optical device.
In order to solve the problems, the invention adopts the following technical scheme:
the display module comprises a first substrate, a second substrate, a light-transmitting supporting layer and first filling adhesive, wherein the first substrate and the second substrate are superposed, a thin film transistor is arranged on one surface of the first substrate, which faces the second substrate, the light-transmitting supporting layer is arranged on one side of the first substrate, which is far away from the second substrate, and is connected with the first substrate through the first filling adhesive, and at least one part of the light-transmitting supporting layer and at least one part of the first filling adhesive are positioned in the light-transmitting area.
An electronic device comprises the display module and an optical device, wherein the optical device and the second substrate are respectively located on two sides of the first substrate, and the light-transmitting area and the optical device are oppositely arranged.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the display module is provided with the light-transmitting supporting layer and the first filling adhesive, the light-transmitting supporting layer is connected with the first substrate through the first filling adhesive, and the first filling adhesive has a good filling effect, so that the inward concave deformation of the part, located in the light-transmitting area, of the first substrate can be compensated, the optical performance of the light-transmitting area is improved, and the performance of an optical device is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention.
Description of reference numerals:
a-a light-transmitting area, 110-a first substrate, 120-a second substrate, 130-a light-transmitting support layer, 140-a first filling adhesive, 141-a first protruding surface, 150-a cover plate, 160-a second filling adhesive, 161-a second protruding surface, 170-a liquid crystal layer and 180-a support column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the invention discloses a display module, which can be applied to an electronic device having an optical device. The display module is provided with a light-transmitting area A, the light-transmitting area A has higher light transmittance, and an optical device of the electronic equipment can be arranged corresponding to the light-transmitting area A, so that light in the external environment can enter the optical device through the light-transmitting area A, or light emitted by the optical device can enter the external environment through the light-transmitting area A. Alternatively, the shape of the light-transmitting area a may be designed according to the structure of the optical device, for example, the light-transmitting area a may be a circular area, the rest area of the display module may be mainly used for displaying, and this part of the area may surround the light-transmitting area a.
In the embodiment of the invention, the display module includes a first substrate 110, a second substrate 120, a transparent supporting layer 130 and a first filling adhesive 140. The first substrate 110 and the second substrate 120 are stacked, and optionally, both the first substrate 110 and the second substrate 120 may be glass plates having high light transmittance. One surface of the first substrate 110 facing the second substrate 120 is provided with a plurality of thin film transistors, and each thin film transistor is arranged on the first substrate 110 in an array, and the thin film transistor can realize driving of the display module. A light-transmitting support layer 130 is disposed on a side of the first substrate 110 away from the second substrate 120, the light-transmitting support layer 130 is connected to the first substrate 110 through a first filling adhesive 140, and at least a portion of the light-transmitting support layer 130 and at least a portion of the first filling adhesive 140 are located in the light-transmitting area a. The light-transmitting support layer 130 and the first filling adhesive 140 herein both have light-transmitting properties, and therefore, the light-transmitting support layer 130 may apply a supporting force to the first substrate 110, and the first filling adhesive 140 may fill up a deformed portion of the first substrate 110, thereby reducing the influence of the deformed portion on the light propagation.
The display module disclosed by the embodiment of the invention is provided with the light-transmitting supporting layer 130 and the first filling adhesive 140, the light-transmitting supporting layer 130 is connected with the first substrate 110 through the first filling adhesive 140, and the first filling adhesive 140 has a better filling effect, so that the inward concave deformation of the part, positioned in the light-transmitting area A, of the first substrate 110 can be compensated, the optical performance of the light-transmitting area A is improved, and the performance of an optical device is improved.
Since the first substrate 110 and the second substrate 120 are generally large in size, both are easily deformed not only in the light-transmitting region a but also in other regions. Based on this, the display module may further include a plurality of supporting pillars 180, each supporting pillar 180 is disposed between the first substrate 110 and the second substrate 120, and each supporting pillar 180 is disposed at an interval. The supporting columns 180 may apply a supporting force to the first substrate 110 and the second substrate 120 so that the first substrate 110 and the second substrate 120 are not easily deformed.
When the portion of the first substrate 110 located in the light-transmitting area a is deformed concavely, a concave surface will appear on the surface of the first substrate 110 facing away from the second substrate 120. Based on this, optionally, the light-transmitting support layer 130 may be a flat plate structure, one surface of the first filling adhesive 140 facing the light-transmitting support layer 130 is attached to the light-transmitting support layer 130, one surface of the first filling adhesive 140 facing away from the light-transmitting support layer 130 is provided with a first protruding surface 141, the first protruding surface 141 protrudes to one side close to the first substrate 110, the first protruding surface 141 is attached to a part of the surface of the first substrate 110, and the first protruding surface 141 is located in the light-transmitting area a. At this time, the portion of the first filling adhesive 140 where the first protruding surface 141 is disposed is a protruding structure, and the protruding structure can be attached to the deformed portion of the first substrate 110, so as to improve the compensation effect of the first filling adhesive 140. Meanwhile, the light-transmitting support layer 130 is of a flat plate structure, and one surface of the first filling adhesive 140 facing the light-transmitting support layer 130 is attached to the light-transmitting support layer 130, so that a joint surface of the light-transmitting support layer 130 and the first filling adhesive 140 is smoother, and the optical performance of the light-transmitting area a is further improved.
In order to improve the light transmittance and structural strength of the light-transmitting support layer 130, the light-transmitting support layer 130 may be provided as a glass layer or a resin layer. Of course, the light-transmitting support layer 130 may also adopt other structures with higher light transmittance and higher structural strength, which is not limited in the embodiment of the present invention.
In order to improve the light transmittance of the first filling paste 140, the first filling paste 140 may be provided as an Optically Clear Adhesive (OCA) or an Optically Clear Resin (OCR). In addition, the optical transparent adhesive and the optical transparent resin have good fluidity, so that the deformed portion of the first substrate 110 can be better filled and attached to the light-transmitting support layer 130, thereby optimizing the compensation effect of the first filling adhesive 140. Of course, the first filling adhesive 140 may also adopt other structures with higher light transmittance and higher structural strength, which is not limited in the embodiment of the present invention.
In an optional embodiment, the display module further includes a cover plate 150 and a second filling adhesive 160, the cover plate 150 is disposed on a side of the second substrate 120 away from the first substrate 110, the cover plate 150 is connected to the second substrate 120 through the second filling adhesive 160, and at least a portion of the cover plate 150 and at least a portion of the second filling adhesive 160 are located in the light-transmitting area a. The cover plate 150 and the second filling adhesive 160 both have light transmittance, so that light transmission is not affected, and at the same time, the cover plate 150 can apply pressing force to the second filling adhesive 160, so that the second filling adhesive 160 and the second substrate 120 are more closely matched, and the second filling adhesive 160 can fill the deformed part of the second substrate 120, so that the influence of the part on light transmission is reduced. It can be seen that, after the cover plate 150 and the second filling adhesive 160 are added, the deformation of the portion of the second substrate 120 located in the light-transmitting area a can be compensated, so that the optical performance of the light-transmitting area a is better and the performance of the optical device is better.
Alternatively, the cover plate 150 may be a glass cover plate, so that the light transmittance of the cover plate 150 is higher. Of course, the cover plate 150 may also be made of other materials, and the embodiment of the invention is not limited thereto.
When the portion of the second substrate 120 located in the light-transmitting area a is deformed concavely, a concave surface will appear on the surface of the second substrate 120 away from the first substrate 110. Based on this, optionally, the cover plate 150 may be a flat plate structure, one surface of the second filling adhesive 160 facing the cover plate 150 is attached to the cover plate 150, one surface of the second filling adhesive 160 facing the second substrate 120 is provided with a second protruding surface 161, the second protruding surface 161 protrudes to a side close to the second substrate 120, the second protruding surface 161 is attached to a part of the surface of the second substrate 120, and the second protruding surface 161 is located in the light-transmitting region a. At this time, the portion of the second filling adhesive 160 where the second protruding surface 161 is disposed is a protruding structure, and the protruding structure can be attached to the deformed portion of the second substrate 120, so as to improve the compensation effect of the second filling adhesive 160. Meanwhile, the cover plate 150 is of a flat plate structure, and one surface of the second filling adhesive 160 facing the cover plate 150 is attached to the cover plate 150, so that the joint surface of the cover plate 150 and the second filling adhesive 160 is smoother, and the optical performance of the light-transmitting area a is further improved.
In order to improve the light transmittance of the second filling adhesive 160, the second filling adhesive 160 may be provided as an optically transparent adhesive or an optically transparent resin. In addition, the fluidity of the optical clear adhesive and the optical clear resin is good, so that the deformed portion of the second substrate 120 can be better filled and attached to the cover plate 150, thereby optimizing the compensation effect of the second filling adhesive 160. Of course, the second filling adhesive 160 may also adopt other structures with higher light transmittance and higher structural strength, which is not limited in the embodiment of the present invention.
Optionally, when the display module is processed, the first substrate 110 and the second substrate 120 may be first attached together, and then the first filling adhesive 140 is coated on a surface of the first substrate 110 away from the second substrate 120; then, attaching a light-transmitting support layer 130 on the first filling adhesive 140; then, a curing operation is performed, so that the first filling adhesive 140 is cured, and the thickness of the cured first filling adhesive 140 can be about 0.15 mm; and then, the cover plate 150 and the second filling adhesive 160 are attached together, and then the two are attached to the surface of the second substrate 120 departing from the first substrate 110, so that the required display module can be obtained.
In an alternative embodiment, the refractive indexes of the first substrate 110, the second substrate 120, the light-transmitting support layer 130, the first filling adhesive 140, the cover plate 150 and the second filling adhesive 160 are equal, and when light propagates among the first substrate 110, the second substrate 120, the light-transmitting support layer 130, the first filling adhesive 140, the cover plate 150 and the second filling adhesive 160, an excessive direction change caused by the addition of the light-transmitting support layer 130, the first filling adhesive 140, the cover plate 150 and the second filling adhesive 160 is substantially avoided, so that the optical performance at the light-transmitting area a can be improved, and the performance of the optical device is better. Alternatively, the refractive indexes of the first substrate 110, the second substrate 120, the light-transmitting support layer 130, the first filling adhesive 140, the cover plate 150, and the second filling adhesive 160 may be set to about 1.5.
Optionally, the display module may be a liquid crystal display module, and in this case, the display module further includes a liquid crystal layer 170, and the liquid crystal layer 170 is disposed between the first substrate 110 and the second substrate 120. Of course, the display module may also be an organic light emitting display module, and the display module further includes an organic light emitting layer disposed between the first substrate 110 and the second substrate 120.
Based on the display module described in any of the above embodiments, an embodiment of the present invention further discloses an electronic device, which includes the display module described in any of the above embodiments, and further includes an optical device, the optical device and the second substrate 120 are respectively located on two sides of the first substrate 110, and the light-transmitting area a is disposed opposite to the optical device.
Optionally, optical device here can include at least one in fingerprint module, camera, sensor and the light filling lamp to can realize functions such as fingerprint identification, shooting, data detection, light filling that correspond, these optical device can not occupy electronic equipment's display area, thereby make electronic equipment's screen account for than higher. Of course, the optical device may also include other devices having a light receiving function or a light emitting function, which is not limited in this embodiment of the present invention.
The electronic device disclosed by the embodiment of the invention can be a smart phone, a tablet computer, an electronic book reader or a wearable device. Of course, the electronic device may also be other devices, and the embodiment of the present invention is not limited thereto.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (11)
1. The display module is characterized by having a light-transmitting area (A), and comprises a first substrate (110), a second substrate (120), a light-transmitting support layer (130) and a first filling adhesive (140), wherein the first substrate (110) and the second substrate (120) are stacked, a thin film transistor is arranged on one surface of the first substrate (110) facing the second substrate (120), the light-transmitting support layer (130) is arranged on one side of the first substrate (110) facing away from the second substrate (120), the light-transmitting support layer (130) is connected with the first substrate (110) through the first filling adhesive (140), and at least a part of the light-transmitting support layer (130) and at least a part of the first filling adhesive (140) are located in the light-transmitting area (A).
2. The display module according to claim 1, wherein the light-transmissive support layer (130) is a flat plate structure, a surface of the first filling adhesive (140) facing the light-transmissive support layer (130) is attached to the light-transmissive support layer (130), a surface of the first filling adhesive (140) facing away from the light-transmissive support layer (130) is provided with a first protruding surface (141), the first protruding surface (141) protrudes toward a side close to the first substrate (110), the first protruding surface (141) is attached to a part of a surface of the first substrate (110), and the first protruding surface (141) is located in the light-transmissive region (a).
3. A display module according to claim 1, wherein the light-transmissive support layer (130) is a glass layer or a resin layer.
4. The display module according to claim 1, wherein the first filling glue (140) is an optically transparent glue or an optically transparent resin.
5. The display module according to claim 1, further comprising a cover plate (150) and a second filling glue (160), wherein the cover plate (150) is disposed on a side of the second substrate (120) facing away from the first substrate (110), and the cover plate (150) is connected to the second substrate (120) through the second filling glue (160), and at least a portion of the cover plate (150) and at least a portion of the second filling glue (160) are located in the light-transmissive region (a).
6. The display module according to claim 5, wherein the cover plate (150) is a flat plate structure, a surface of the second filling adhesive (160) facing the cover plate (150) is attached to the cover plate (150), a surface of the second filling adhesive (160) facing the second substrate (120) is provided with a second protruding surface (161), the second protruding surface (161) protrudes to a side close to the second substrate (120), the second protruding surface (161) is attached to a portion of the surface of the second substrate (120), and the second protruding surface (161) is located in the light-transmitting region (A).
7. A display module according to claim 5, characterized in that the second filling glue (160) is an optically transparent glue or an optically transparent resin.
8. A display module according to claim 5, characterized in that the refractive indices of the first substrate (110), the second substrate (120), the light-transmissive support layer (130), the first glue fill (140), the cover plate (150) and the second glue fill (160) are equal.
9. The display module according to claim 1, further comprising a liquid crystal layer (170), wherein the liquid crystal layer (170) is disposed between the first substrate (110) and the second substrate (120).
10. An electronic device comprising the display module according to any one of claims 1 to 9, and further comprising an optical device, wherein the optical device and the second substrate (120) are respectively located on both sides of the first substrate (110), and the light-transmitting region (a) is disposed opposite to the optical device.
11. The electronic device of claim 10, wherein the optics comprise at least one of a fingerprint module, a camera, a sensor, and a fill light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328942.1A CN111025721B (en) | 2019-12-20 | 2019-12-20 | Display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328942.1A CN111025721B (en) | 2019-12-20 | 2019-12-20 | Display module and electronic equipment |
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| Publication Number | Publication Date |
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| CN111025721A true CN111025721A (en) | 2020-04-17 |
| CN111025721B CN111025721B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911328942.1A Active CN111025721B (en) | 2019-12-20 | 2019-12-20 | Display module and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111833750A (en) * | 2020-07-17 | 2020-10-27 | Oppo（重庆）智能科技有限公司 | Folding screen assembly and electronic equipment |
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| CN111025721B (en) | 2022-04-29 |
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