CN110646991A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
- Publication number
- CN110646991A CN110646991A CN201910932216.4A CN201910932216A CN110646991A CN 110646991 A CN110646991 A CN 110646991A CN 201910932216 A CN201910932216 A CN 201910932216A CN 110646991 A CN110646991 A CN 110646991A
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- substrate
- display module
- circuit board
- flexible circuit
- connection portion
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
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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
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
Abstract
The invention discloses a display module and electronic equipment, wherein the display module comprises a light-transmitting cover plate, a first substrate, a second substrate, a flexible circuit board, an electric connection part and a driving chip, the light-transmitting cover plate, the first substrate and the second substrate are sequentially overlapped, the second substrate is provided with a first surface and a second surface which are arranged in a back direction, the first surface faces the first substrate, the electric connection part comprises a first connection part and a second connection part, the first surface is provided with the first connection part, the second connection part extends from the first surface to the second surface, one end of the second connection part is electrically connected with the first connection part, the other end of the second connection part is electrically connected with the flexible circuit board, and the flexible circuit board is electrically connected with the driving chip. At this moment, the first surface of the first substrate does not need to be provided with an area for electrically connecting the power supply connecting part with the flexible circuit board, so that the area can be used for increasing the display area of the display module, the display area of the display module is increased, and the screen of the electronic device is higher in occupied ratio.
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 display module of the electronic equipment comprises a light-transmitting cover plate, a first substrate, a second substrate, a driving chip and a flexible circuit board, wherein the light-transmitting cover plate, the first substrate and the second substrate are sequentially overlapped, an electric connection part is arranged on one surface of the second substrate, which faces the first substrate, an area for electrically connecting the power supply connection part and the flexible circuit board is required to be reserved on the surface, and the driving chip is electrically connected with the electric connection part through the flexible circuit board.
However, the second substrate is provided with the electrical connection portion on the side facing the first substrate, and meanwhile, an area for electrically connecting the power supply connection portion and the flexible circuit board is reserved.
Disclosure of Invention
The invention discloses a display module and electronic equipment, and aims to solve the problem of low screen occupation ratio of the electronic equipment.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a display module assembly, includes printing opacity apron, first base plate, second base plate, flexible circuit board, electricity connecting portion and driver chip, the printing opacity apron first base plate with the second base plate superposes in proper order, the second base plate has the first face and the second face that set up dorsad, first face orientation first base plate, electricity connecting portion includes first connecting portion and second connecting portion, first face is provided with first connecting portion, second connecting portion certainly first face extends to the second face, the one end of second connecting portion with first connecting portion electricity is connected, the other end of second connecting portion with flexible circuit board electricity is connected, flexible circuit board with driver chip electricity is connected.
An electronic device comprises the display module.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the display module disclosed by the invention, the electric connection part comprises the first connection part and the second connection part, the second connection part extends from the first surface to the second surface, the flexible circuit board is electrically connected with the first connection part through the second connection part, and at the moment, the first surface of the first substrate does not need to be provided with an area for electrically connecting the power supply connection part with the flexible circuit board, so that the area can be used for increasing the display area of the display module, the display area of the display module is increased, and the screen occupation ratio of electronic equipment is higher.
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 side view of an electronic device disclosed in an embodiment of the invention;
fig. 2 is a schematic view of a first substrate, a second substrate and an electrical connection portion of a display module according to an embodiment of the disclosure;
FIG. 3 is a schematic diagram of a partial structure of an electronic device according to an embodiment of the disclosure;
FIG. 4 is a schematic view of an electrical connection portion of a display module according to an embodiment of the present invention being coated onto a second substrate without being removed from a mold;
fig. 5 is a schematic view illustrating an electrical connection portion of a display module according to an embodiment of the disclosure when the electrical connection portion is not removed from a mold.
Description of reference numerals:
100-light-transmitting cover plate, 200-first substrate, 300-second substrate, 310-first surface, 320-second surface, 400-flexible circuit board, 500-second connecting part, 510-first circuit layer, 520-second circuit layer, 530-third circuit layer, 540-mask plate, 600-driving chip, 700-first polarizer, 710-second polarizer, 800-optical adhesive, 900-backlight module and 910-avoiding space.
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. 1-5, the embodiment of the invention discloses a display module, which can be applied to an electronic device and specifically includes a light-transmissive cover plate 100, a first substrate 200, a second substrate 300, a flexible Circuit board 400, an electrical connection portion, and a driving chip (IC) 600. The light-transmitting cover plate 100, the first substrate 200 and the second substrate 300 are sequentially stacked, the second substrate 300 has a first surface 310 and a second surface 320 which are oppositely arranged, and the first surface 310 faces the first substrate 200. The electrical connection portion includes a first connection portion and a second connection portion 500, and the first surface 310 is provided with the first connection portion. The first connection portion is connected to the driving electrodes on the second substrate 300, and transmits the driving signals transmitted by the driving chip 600 to the driving electrodes, so that the display module operates normally. The second connecting portion 500 extends from the first surface 310 to the second surface 320, one end of the second connecting portion 500 is electrically connected to the first connecting portion, the other end of the second connecting portion 500 is electrically connected to the flexible circuit board 400, and the flexible circuit board 400 is electrically connected to the driving chip 600. The driving chip 600 is electrically connected to the first connecting portion and the second connecting portion 500 through the flexible circuit board 400, so as to output driving signals to components such as driving electrodes on the second substrate 300, and further enable the display module to work normally. At this time, the connection position of the flexible circuit board 400 and the second substrate 300 is transferred from the first face 310 to the second face 320. Specifically, the first substrate 200 and the second substrate 300 are both glass plates, and devices such as color filters or thin film transistors are deposited on the glass plates.
In the embodiment of the invention, the second connection portion 500 extends from the first surface 310 to the second surface 320, and the flexible circuit board 400 is electrically connected to the first connection portion through the second connection portion 500, at this time, an area where the electrical connection portion is electrically connected to the flexible circuit board 400 does not need to be arranged on the first surface 310 of the first substrate 200, so that the area can be used to increase a display area of the display module, thereby increasing the display area of the display module, and further making a screen occupation ratio of the electronic device higher.
Because the lower side of the first surface 310 does not need to be provided with a region for electrically connecting the power supply connection part with the flexible circuit board 400, the first substrate 200 can extend to the edge of the second substrate 300, and the suspended region of the second substrate 300 and the light-transmitting cover plate 100 is smaller, so that the overall strength of the display module is higher, the display module is not easy to break, and the safety and reliability of the display module are higher.
In addition, when the electronic device further includes the backlight module 900, the technical solution in the background art needs to further provide a retaining wall on the backlight module 900 to support the light-transmitting cover plate 100, so as to prevent the suspended region of the light-transmitting cover plate 100 from being broken, which would increase the width of the bezel, and make the screen occupation ratio of the electronic device smaller. However, in the present invention, the first substrate 200 may extend to the edge of the second substrate 300, so that the suspended area of the transparent cover 100 is smaller, and the overall strength of the display module is higher, and therefore, no retaining wall is required to be disposed on the backlight module 900 to support the transparent cover 100, so that the width of the bezel is reduced, and the screen ratio of the electronic device is further increased.
In a preferred embodiment, the projected profile of the first substrate 200 coincides with the projected profile of the second substrate 300 in a direction perpendicular to the first substrate 200. At this time, each side of the first substrate 200 is flush with each side of the second substrate 300, so that the area of the first substrate 200 for displaying is substantially the same as the area of the second substrate 300 for displaying, the display area of the display module is further increased, and the screen occupation ratio of the electronic device is higher. Simultaneously, each side of first base plate 200 and second base plate 300 is parallel and level mutually to make the whole of two base plate group one-tenth not have unsettled region, consequently display module assembly's intensity is higher, has further improved display module assembly's security and reliability.
The display module further includes a first polarizer 700, and the first polarizer 700 and the second substrate 300 are respectively disposed on two sides of the first substrate 200. Since the first substrate 200 extends to the edge of the second substrate 300, in order to make the newly added display area have better optical performance, in an alternative embodiment, the first polarizer 700 extends to the edge of the first substrate 200, and therefore the size of the first polarizer 700 is correspondingly increased, so that the newly added display area on the second substrate 300 has better optical performance. Further, in the direction perpendicular to the first substrate 200, the projection profile of the first polarizer 700 coincides with the projection profile of the first substrate 200, and at this time, the first polarizer 700 can cover the entire display area of the display module, so that the optical performance of the display module is better. Specifically, the first polarizer 700 may be frosted to dissipate surface reflection and scatter light to increase the viewing angle of the display module. The polarizers in the electronic device are paired, so the electronic device further includes a second polarizer 710, and the second polarizer 710 and the first substrate 200 are respectively located at two sides of the second substrate 300.
The display module further includes an optical adhesive 800, and the optical adhesive 800 is located between the first polarizer 700 and the transparent cover plate 100. In the above embodiment, the first polarizer 700 extends to the edge of the first substrate 200, so that the optical performance of the newly added display area is improved, however, a suspension area exists between the first polarizer 700 and the transparent cover plate 100 in the newly added display area, and the suspension area may cause the first polarizer 700 or the transparent cover plate 100 to be broken, thereby reducing the safety and reliability of the display module. To solve this problem, in particular, the optical adhesive 800 extends to the edge of the first polarizer 700. At this time, the gap between the first substrate 200 and the first polarizer 700 after the lamination is small, so that the strength of the display module is improved. Further, in a direction perpendicular to the first substrate 200, a projection profile of the optical adhesive 800 coincides with a projection profile of the first polarizer 700. At this moment, the optical cement 800 covers the whole first polarizer 700, so that no gap exists after the transparent cover plate 100 is attached to the first polarizer 700, and no suspension area exists, thereby further improving the strength of the display module, and further improving the safety and reliability of the display module.
In a preferred embodiment, the second connection portion 500 includes a first circuit layer 510, a second circuit layer 520, and a third circuit layer 530 sequentially connected to each other, the first circuit layer 510 is attached to the first surface 310, the second circuit layer 520 is attached to a side surface of the second substrate 300, the side surface is located between the first surface 310 and the second surface 320, and the third circuit layer 530 is attached to the second surface 320. In this scheme, each line layer is laminated with the corresponding face of second base plate 300 for each line layer is connected inseparabler with second base plate 300, thereby makes each line layer be difficult to drop from second base plate 300, has further improved display module's security and reliability. Meanwhile, the overall size of the display module approaches the size of the first substrate 200 or the second substrate 300, so that the structure of the display module is relatively compact.
In an alternative embodiment, the second connection portion 500 is a coating layer. In the scheme, the processing technology of the coating layer is simple, the cost is low, and meanwhile, the thickness of the coating layer is thinner, so that the structure of the display module is more compact. Specifically, a mask 540 is formed on the first surface 310, the side surface, and the second surface 320 of the second substrate 300 by a vacuum sputtering plating method, and the mask 540 is exposed, etched, and released to obtain a circuit pattern.
Based on the display module according to any of the embodiments of the present invention, an embodiment of the present invention further discloses an electronic device, and the disclosed electronic device has the display module according to any of the embodiments.
In an alternative embodiment, the electronic device further includes a backlight module 900, and the backlight module 900 and the first substrate 200 are respectively disposed on two sides of the second substrate 300, because the liquid crystal itself does not have a light-emitting property. The backlight module 900 can provide a light source for the display module, so that the display module can work normally. Specifically, the backlight module 900 mainly includes a light source, a light guide plate, a scattering film, and a frame, and the light source of the backlight module 900 emits light, which is scattered by the light guide plate and the scattering film, so that the light is uniformly distributed on the display module.
The flexible circuit board 400 is disposed on the backlight module 900, and when the flexible circuit board 400 is electrically connected to the second connecting portion 500, one end of the flexible circuit board 400 is required to bypass the backlight module 900 to be electrically connected to the second connecting portion 500, so that the flexible circuit board 400 has a larger size. In order to solve the problem, specifically, the backlight module 900 is provided with an avoiding space 910, and one end of the flexible circuit board 400 passes through the avoiding space 910 to be electrically connected to the second connection portion 500. At this time, the flexible circuit board 400 does not need to bypass the backlight module 900, and one end of the flexible circuit board 400 passes through the avoiding space 910 and is directly electrically connected to the second connecting portion 500, so that the size of the flexible circuit board 400 is reduced, and the structure of the electronic device is more compact.
The avoiding space 910 may be an avoiding hole, but the periphery of the avoiding hole is completely sealed, and when the second connecting portion 500 and the flexible circuit board 400 are assembled, the operable space is small, so that the assembly difficulty is large. In order to solve this problem, in an alternative embodiment, the avoiding space 910 is an avoiding groove, in which three or two sides of the avoiding groove are closed, and when the flexible circuit board 400 and the second connecting portion 500 are assembled, the operable space is large, so that the assembly difficulty is small.
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. A display module comprises a light-transmitting cover plate (100), a first substrate (200), a second substrate (300), a flexible circuit board (400), an electric connection portion and a driving chip (600), wherein the light-transmitting cover plate (100), the first substrate (200) and the second substrate (300) are sequentially overlapped, the second substrate (300) is provided with a first surface (310) and a second surface (320) which are arranged in a back direction, the first surface (310) faces the first substrate (200), the display module is characterized in that the electric connection portion comprises a first connection portion and a second connection portion (500), the first surface (310) is provided with the first connection portion, the second connection portion (500) extends from the first surface (310) to the second surface (320), one end of the second connection portion (500) is electrically connected with the first connection portion, and the other end of the second connection portion (500) is electrically connected with the flexible circuit board (400), the flexible circuit board (400) is electrically connected with the driving chip (600).
2. A display module according to claim 1, characterized in that the projected contour of the first substrate (200) coincides with the projected contour of the second substrate (200) in a direction perpendicular to the first substrate (200).
3. The display module according to claim 1, further comprising a first polarizer (700), wherein the first polarizer (700) and the second substrate (300) are respectively located at two sides of the first substrate (200), and the first polarizer (700) extends to an edge of the first substrate (200).
4. The display module according to claim 3, further comprising an optical adhesive (800), wherein the optical adhesive (800) is located between the first polarizer (700) and the light-transmissive cover plate (100), and the optical adhesive (800) extends to an edge of the first polarizer (700).
5. The display module according to claim 1, wherein the second connection portion (500) comprises a first circuit layer (510), a second circuit layer (520) and a third circuit layer (530) connected in sequence, the first circuit layer (510) is attached to the first surface (310), the second circuit layer (520) is attached to a side surface of the second substrate (300), and the third circuit layer (530) is attached to the second surface (320).
6. The display module of claim 1, wherein the second connecting portion (500) is a coating.
7. An electronic device, comprising the display module according to any one of claims 1 to 6.
8. The electronic device of claim 7, further comprising a backlight module (900), wherein the backlight module (900) and the first substrate (200) are respectively located at two sides of the second substrate (300).
9. The electronic device according to claim 8, wherein an avoiding space (910) is formed on the backlight module (900), the flexible circuit board (400) is disposed on the backlight module (900), and one end of the flexible circuit board (400) passes through the avoiding space (910) and is electrically connected to the second connecting portion (500).
10. The electronic device of claim 9, wherein the avoidance space (910) is an avoidance slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932216.4A CN110646991A (en) | 2019-09-29 | 2019-09-29 | Display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932216.4A CN110646991A (en) | 2019-09-29 | 2019-09-29 | Display module and electronic equipment |
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| CN110646991A true CN110646991A (en) | 2020-01-03 |
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| CN201910932216.4A Pending CN110646991A (en) | 2019-09-29 | 2019-09-29 | Display module and electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462628A (en) * | 2020-03-31 | 2020-07-28 | 维沃移动通信有限公司 | Flexible screen assembly and electronic equipment |
| CN111459334A (en) * | 2020-04-03 | 2020-07-28 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN111785159A (en) * | 2020-06-30 | 2020-10-16 | 维沃移动通信有限公司 | Electronic device |
| CN111857247A (en) * | 2020-07-07 | 2020-10-30 | 北京小米移动软件有限公司 | Display module and electronic equipment |
| CN114935845A (en) * | 2022-05-26 | 2022-08-23 | 惠科股份有限公司 | Display device |
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| CN108957878A (en) * | 2018-07-19 | 2018-12-07 | 武汉天马微电子有限公司 | Display module and preparation method thereof and display device |
| CN108957812A (en) * | 2018-07-24 | 2018-12-07 | 武汉华星光电技术有限公司 | The production method and liquid crystal display device of liquid crystal display device |
| CN109343249A (en) * | 2018-11-26 | 2019-02-15 | 厦门天马微电子有限公司 | Display panel and preparation method thereof, display device |
| CN109541834A (en) * | 2018-12-29 | 2019-03-29 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110032007A (en) * | 2019-04-25 | 2019-07-19 | 厦门天马微电子有限公司 | Display panel and display device |
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| CN111462628A (en) * | 2020-03-31 | 2020-07-28 | 维沃移动通信有限公司 | Flexible screen assembly and electronic equipment |
| CN111459334A (en) * | 2020-04-03 | 2020-07-28 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN111459334B (en) * | 2020-04-03 | 2024-03-19 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN111785159A (en) * | 2020-06-30 | 2020-10-16 | 维沃移动通信有限公司 | Electronic device |
| CN111857247A (en) * | 2020-07-07 | 2020-10-30 | 北京小米移动软件有限公司 | Display module and electronic equipment |
| CN114935845A (en) * | 2022-05-26 | 2022-08-23 | 惠科股份有限公司 | Display device |
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