CN111025736A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN111025736A CN111025736A CN201911328944.0A CN201911328944A CN111025736A CN 111025736 A CN111025736 A CN 111025736A CN 201911328944 A CN201911328944 A CN 201911328944A CN 111025736 A CN111025736 A CN 111025736A
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- substrate
- compensation layer
- display module
- light
- base plate
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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
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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
- G02F1/13338—Input devices, e.g. touch panels
Abstract
The invention discloses a display module and electronic equipment, wherein the display module is provided with a light transmission area (A), the display module comprises a first substrate (110), a second substrate (120) and a light transmission compensation layer, 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 transmission compensation layer, and/or one side of the second substrate (120) departing from the first substrate (110) is provided with the light transmission compensation layer, and at least one part of the light transmission compensation layer is positioned in the light transmission 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 utility model provides a display module assembly, display module assembly has the printing opacity region, display module assembly includes first base plate, second base plate and printing opacity compensation layer, first base plate with the superpose of second base plate, first base plate orientation the one side of second base plate is equipped with thin-film transistor, first base plate deviates from one side of second base plate is equipped with the printing opacity compensation layer, and/or, the second base plate deviates from one side of first base plate is equipped with the printing opacity compensation layer, at least some on printing opacity compensation layer is located in the printing opacity region.
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 disclosed by the invention is provided with the light-transmitting compensation layer, once the parts of the first substrate and the second substrate, which are positioned in the light-transmitting area, are subjected to concave deformation, the light-transmitting compensation layer can compensate the concave deformation, so that the concave deformation generated in the light-transmitting area is relieved, 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 region, 110-a first substrate, 120-a second substrate, 131-a first compensation layer, 131 a-a first protruding surface, 132-a second compensation layer, 132 a-a second protruding surface, 140-a liquid crystal layer, and 150-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 an embodiment of the invention, the display module may include a first substrate 110, a second substrate 120, and a light-transmitting compensation layer. 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 transmission compensation layer is disposed on a side of the first substrate 110 facing away from the second substrate 120, and at least a portion of the light transmission compensation layer is located in the light transmission region a. And/or a light transmission compensation layer is arranged on the side of the second substrate 120, which faces away from the first substrate 110, and at least a part of the light transmission compensation layer is positioned in the light transmission area a. The light transmission compensation layer has light transmission property, so that the light transmission is not affected, and at the same time, the light transmission compensation layer can fill the deformed part of the first substrate 110 or the second substrate 120, so that the influence of the part on the light transmission is reduced.
The display module disclosed by the embodiment of the invention is provided with the light-transmitting compensation layer, once the parts of the first substrate 110 and the second substrate 120, which are positioned in the light-transmitting area A, have concave deformation, the light-transmitting compensation layer can compensate the concave deformation, so that the concave deformation generated in the light-transmitting area A is relieved, the optical performance at 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 150, each supporting pillar 150 is disposed between the first substrate 110 and the second substrate 120, and each supporting pillar 150 is disposed at an interval. The supporting columns 150 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.
As can be seen from the above, the light-transmitting compensation layer may be disposed only on the side of the first substrate 110 away from the second substrate 120 or the side of the second substrate 120 away from the first substrate 110, or may be disposed on both the side of the first substrate 110 away from the second substrate 120 and the side of the second substrate 120 away from the first substrate 110, and in order to further improve the optical performance of the light-transmitting region a, the light-transmitting compensation layer may be disposed on both the side of the first substrate 110 away from the second substrate 120 and the side of the second substrate 120 away from the first substrate 110. At this time, the light-transmitting compensation layer includes a first compensation layer 131 and a second compensation layer 132, the first compensation layer 131 is disposed on a side of the first substrate 110 away from the second substrate 120, and the first compensation layer 131 can compensate for the concave deformation of the first substrate 110; the second compensation layer 132 is disposed on a side of the second substrate 120 away from the first substrate 110, and the second compensation layer 132 can compensate for the concave deformation of the second substrate 120.
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. Similarly, 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 facing away from the first substrate 110. In order to improve the compensation effect of the light transmission compensation layer, a convex surface may be disposed on a surface of the first compensation layer 131 facing the first substrate 110, or a convex surface may be disposed on a surface of the second compensation layer 132 facing the second substrate 120, or a convex surface may be disposed on both a surface of the first compensation layer 131 facing the first substrate 110 and a surface of the second compensation layer 132 facing the second substrate 120. The convex surface can be opposite to the concave surface, so that the effect of filling the concave surface is achieved. Wherein:
a protruding surface of the first compensation layer 131 facing the first substrate 110 is a first protruding surface 131a, the first protruding surface 131a protrudes toward a side close to the first substrate 110, the first protruding surface 131a is attached to a part of the surface of the first substrate 110, and the first protruding surface 131a is located in the light-transmitting region a. At this time, the portion of the first compensation layer 131 where the first protruding surface 131a 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 compensation layer 131.
A protruding surface of the second compensation layer 132 facing the second substrate 120 is a second protruding surface 132a, the second protruding surface 132a protrudes toward a side close to the second substrate 120, the second protruding surface 132a is attached to a portion of the surface of the second substrate 120, and the second protruding surface 132a is located in the light-transmitting region a. At this time, the portion of the second compensation layer 132, on which the second protruding surface 132a 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 compensation layer 132.
In an alternative embodiment, the first compensation layer 131 may be disposed only corresponding to the light-transmitting region a, and the second compensation layer 132 may also be disposed only corresponding to the light-transmitting region a, but such a configuration may result in uneven surface of the display module, which is not favorable for assembling the display module with other components. Based on this, in a direction perpendicular to the first substrate 110, a projected profile of the first compensation layer 131 coincides with a projected profile of the first substrate 110. That is to say, the first substrate 110 and the first compensation layer 131 have the same shape and the same size, and the first compensation layer 131 is disposed on the whole surface of the first substrate 110, so that the flatness of the display module is better, and the display module can be assembled with other components.
Similarly, the second compensation layer 132 may be disposed only on the whole surface of the second substrate 120, and in this case, the projected profile of the second compensation layer 132 may coincide with the projected profile of the second substrate 120 in the direction perpendicular to the first substrate 110. Of course, the first compensation layer 131 and the second compensation layer 132 may be disposed over the entire surfaces of the first substrate 110 and the second substrate 120, respectively, in which case, in a direction perpendicular to the first substrate 110, a projection profile of the first compensation layer 131 coincides with a projection profile of the first substrate 110, and a projection profile of the second compensation layer 132 coincides with a projection profile of the second substrate 120.
One side of the light transmission compensation layer departing from the first substrate 110 and the second substrate 120 may be a plane or a curved surface, and in order to further improve the flatness of the light transmission compensation layer, one side of the light transmission compensation layer departing from the first substrate 110 and the second substrate 120 may be set as a first plane, and the first plane is parallel to the plane where the first substrate 110 is located. The arrangement is convenient for assembling the display module with other components, and can further improve the optical performance of the part of the light transmission area A in the light transmission compensation layer, thereby optimizing the performance of the optical device.
In an alternative embodiment, the refractive indexes of the first substrate 110, the second substrate 120 and the light transmission compensation layer are equal, and when light propagates among the first substrate 110, the second substrate 120 and the light transmission compensation layer, an excessive direction change caused by the addition of the light transmission compensation layer is substantially avoided, so that the optical performance at the light transmission region a can be improved by such an arrangement, and the performance of the optical device is better. Alternatively, the refractive indexes of the first substrate 110, the second substrate 120, and the light transmission compensation layer may be set to about 1.5.
In order to facilitate processing of the light transmission compensation layer, the light transmission compensation layer can be set to be an organic layer, and the light transmission compensation layer has better fluidity in the processing process, so that the light transmission compensation layer with higher quality can be formed. When the light-transmitting compensation layer comprises the first compensation layer 131 and the second compensation layer 132, optionally, when the display module is processed, the first substrate 110 and the second substrate 120 may be firstly attached together, and then a first organic film is coated on a surface of the first substrate 110 away from the second substrate 120, where the thickness of the first organic film may be 10-20 um; then, drying the structure formed by the first substrate 110, the second substrate 120 and the first organic film, wherein the drying temperature can be set to be 120-230 ℃, and the drying time can be set to be 10-30 min; then removing the organic film solvent to obtain a first compensation layer 131 with the thickness of 3-6 um; then, a second organic film with a thickness of 10-20 um can be coated on a surface of the second substrate 120 away from the first substrate 110, and then the same drying operation is performed to obtain a second compensation layer 132 with a thickness of 3-6 um.
Optionally, the display module may be a liquid crystal display module, and in this case, the display module further includes a liquid crystal layer 140, and the liquid crystal layer 140 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. In contrast, if the display module is an organic light emitting display module, when the light-transmitting compensation layer includes the first compensation layer 131 and the second compensation layer 132, the second compensation layer 132 may affect the touch structure disposed on the second substrate 120, and thus the scheme of disposing the first compensation layer 131 and the second compensation layer 132 at the same time is more suitable for the liquid crystal display module.
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 (10)
1. The utility model provides a display module assembly, its characterized in that, display module assembly has light transmission area (A), display module assembly includes first base plate (110), second base plate (120) and printing opacity compensation layer, first base plate (110) with second base plate (120) superpose, first base plate (110) orientation the one side of second base plate (120) is equipped with thin film transistor, first base plate (110) deviate from one side of second base plate (120) is equipped with the printing opacity compensation layer, and/or, second base plate (120) deviate from one side of first base plate (110) is equipped with the printing opacity compensation layer, at least a part on printing opacity compensation layer is located in light transmission area (A).
2. A display module according to claim 1, wherein the light-transmissive compensation layer comprises a first compensation layer (131) and a second compensation layer (132), the first compensation layer (131) is disposed on a side of the first substrate (110) facing away from the second substrate (120), and the second compensation layer (132) is disposed on a side of the second substrate (120) facing away from the first substrate (110).
3. A display module according to claim 2, wherein at least one of a side of the first compensation layer (131) facing the first substrate (110) and a side of the second compensation layer (132) facing the second substrate (120) is provided with a convex surface, wherein:
a protruding surface arranged on one surface, facing the first substrate (110), of the first compensation layer (131) is a first protruding surface (131a), the first protruding surface (131a) protrudes towards one side close to the first substrate (110), the first protruding surface (131a) is attached to part of the surface of the first substrate (110), and the first protruding surface (131a) is located in the light-transmitting area (A);
the second compensation layer (132) faces towards a protruding face arranged on one face of the second substrate (120) and is a second protruding face (132a), the second protruding face (132a) protrudes towards one side close to the second substrate (120), the second protruding face (132a) is attached to the partial surface of the second substrate (120), and the second protruding face (132a) is located in the light transmitting area (A).
4. A display module according to claim 2, wherein the projected contour of the first compensation layer (131) coincides with the projected contour of the first substrate (110) in a direction perpendicular to the first substrate (110); and/or the projected profile of the second compensation layer (132) coincides with the projected profile of the second substrate (120) in a direction perpendicular to the first substrate (110).
5. The display module according to claim 1, wherein a surface of the light-transmissive compensation layer facing away from the first substrate (110) and the second substrate (120) is a first plane, and the first plane is parallel to a plane of the first substrate (110).
6. The display module of claim 1, wherein the refractive indices of the first substrate (110), the second substrate (120), and the light transmission compensation layer are equal.
7. The display module of claim 1, wherein the light transmission compensation layer is an organic layer.
8. The display module according to claim 1, further comprising a liquid crystal layer (140), wherein the liquid crystal layer (140) is disposed between the first substrate (110) and the second substrate (120).
9. An electronic device comprising the display module according to any one of claims 1 to 8, 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.
10. The electronic device of claim 9, 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 |
|---|---|---|---|
| CN201911328944.0A CN111025736B (en) | 2019-12-20 | 2019-12-20 | Display module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328944.0A CN111025736B (en) | 2019-12-20 | 2019-12-20 | Display module and electronic equipment |
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| CN111025736A true CN111025736A (en) | 2020-04-17 |
| CN111025736B CN111025736B (en) | 2022-04-29 |
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Cited By (1)
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| CN112037655A (en) * | 2020-09-10 | 2020-12-04 | 京东方科技集团股份有限公司 | Display screen, manufacturing method thereof, display device and manufacturing method of compensation structure |
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| CN111025736B (en) | 2022-04-29 |
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