CN112255852A - Display device and light-emitting panel - Google Patents
Display device and light-emitting panel Download PDFInfo
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- CN112255852A CN112255852A CN202011148750.5A CN202011148750A CN112255852A CN 112255852 A CN112255852 A CN 112255852A CN 202011148750 A CN202011148750 A CN 202011148750A CN 112255852 A CN112255852 A CN 112255852A
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a display device and a light-emitting panel, wherein the light-emitting panel comprises a display area and a fan-out area, and the light-emitting panel also comprises: m row of data lines, wherein M is a positive integer greater than zero, the data lines are arranged at the parts corresponding to the display regions, and the data lines extend along a first direction and are arranged along a second direction; n rows of scanning lines, wherein N is a positive integer greater than zero, the scanning lines are arranged at parts corresponding to the display area and the fan-out area, and the scanning lines extend along the second direction and are arranged along the first direction; k is a positive integer larger than zero, the connecting lines are arranged at parts corresponding to the display area and the fan-out area, and any one connecting line is connected with the data line through a contact hole; and the driving chip is electrically connected with one end of the connecting wire and one end of the scanning line.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device and a light-emitting panel.
Background
The existing splicing screen or splicing backlight causes overlarge splicing seam due to the Layout (Layout) mode inside the panel. The wiring manner of the prior art splice bar is shown in fig. 1, and the display module includes a scan line 101, a data line 102, a driving chip 103, and a connection line 104. The connecting lines 104 on the existing splice plates are all used for connecting the scanning lines 101 to the driving chips 103 from two sides of the splice plate, and the arrangement mode ensures that enough space needs to be reserved on two sides of the splice plate for arranging the connecting lines 104, so that the frame of the splice plate is too wide, and the problem of uneven brightness (Mura) of a display device is caused due to too large splice seams when a plurality of splice plates are spliced into a large backlight or display screen in the follow-up process.
Therefore, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The embodiment of the invention provides a display device and a light-emitting panel, which are used for avoiding the problem of uneven brightness of the display device caused by overlarge splicing seams.
The embodiment of the invention provides a light-emitting panel, which comprises a display area and a fan-out area, and further comprises:
m row of data lines, wherein M is a positive integer greater than zero, the data lines are arranged at the parts corresponding to the display regions, and the data lines extend along a first direction and are arranged along a second direction;
n rows of scanning lines, wherein N is a positive integer greater than zero, the scanning lines are arranged at parts corresponding to the display area and the fan-out area, and the scanning lines extend along the second direction and are arranged along the first direction;
k is a positive integer larger than zero, the connecting lines are arranged at parts corresponding to the display area and the fan-out area, and any one connecting line is connected with the data line through a contact hole;
and the driving chip is electrically connected with one end of the connecting wire and one end of the scanning line.
In the light-emitting panel provided by the embodiment of the invention, in the second direction from the display region to the fan-out region, the distance between the contact hole and a reference line in the middle of the light-emitting panel gradually increases.
In the light-emitting panel provided by the embodiment of the invention, the connecting lines between any two columns of the scanning lines are defined as a same group of connecting lines, and the same group of connecting lines and the data lines are electrically connected to the same side of the reference line.
In the light-emitting panel provided by the embodiment of the present invention, the M rows of data lines include H data line combinations, the same group of the connecting lines is electrically connected to one side of the reference line with odd data line combinations in the H data line combinations, and the same group of the connecting lines is electrically connected to the other side of the reference line with even data line combinations in the H data line combinations.
In the light-emitting panel provided by the embodiment of the invention, the number of the connecting lines in the same group is at least one.
In the light-emitting panel provided by the embodiment of the invention, the connecting line positioned on one side of the reference line is electrically connected with the odd row data line in the M row data lines; and the connecting line positioned on the other side of the reference line is electrically connected with the even-numbered row of the M row of data lines.
In the light-emitting panel provided by the embodiment of the invention, the connecting lines and the data lines are arranged on the same layer.
In the light-emitting panel provided by the embodiment of the invention, the connecting line and the data line are formed by etching the same metal layer by using the same mask plate.
In the light-emitting panel provided by the embodiment of the invention, the light-emitting panel further comprises light-emitting chips, and the light-emitting chips are arranged in M × N pixel areas divided by the M row data lines and the N column scanning lines.
The embodiment of the invention also provides a display device, which comprises a liquid crystal box and a backlight module, wherein the liquid crystal box is arranged on the backlight module, the backlight module comprises a backlight source, and the backlight source is the light-emitting panel.
The embodiment of the invention provides a light-emitting panel and a display device, wherein the light-emitting panel in the embodiment of the invention arranges connecting lines electrically connected with data lines between scanning lines, so that the problem of uneven brightness of the display device caused by overlarge splicing seams is avoided.
In addition, the connecting wires and the data wires are overlapped in a staggered mode, the wiring method can solve the problem of uneven brightness of the light-emitting panel due to charging difference of the far end and the near end, and therefore the taste of the light-emitting panel can be improved. In addition, the connection lines in the display area and the scan lines in the display area in this embodiment have the same length, so as to equalize the load of the data signals in the light-emitting panel.
In order to make the aforementioned and other objects of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic diagram of a wiring pattern of a splice bar according to the prior art;
FIG. 2 is a schematic view of a light emitting panel provided by an embodiment of the present invention;
FIG. 3 is another schematic view of a light emitting panel provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a display device according to an embodiment of the present invention.
Detailed Description
For purposes of clarity, technical solutions and advantages of the present invention, the present invention will be described in further detail with reference to the accompanying drawings, wherein like reference numerals represent like elements, and the following description is based on the illustrated embodiments of the present invention and should not be construed as limiting the other embodiments of the present invention which are not described in detail herein. The word "embodiment" as used herein means an example, instance, or illustration.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 2, an embodiment of the invention provides a light-emitting panel, where the light-emitting panel 10 includes a display area AA and a fan-out area FA, and the light-emitting panel 10 further includes M row data lines D, N and column scan lines S, K connecting lines 110, driving chips 111, and light-emitting chips 114. Wherein M, N and K are both positive integers greater than zero.
Specifically, the data lines D are disposed at a portion corresponding to the display area AA, and the data lines D extend along a first direction D1 and are arranged along a second direction D2. It should be noted that the first direction d1 and the second direction d2 are located on the same plane as the light-emitting panel 10, and an included angle between the first direction d1 and the second direction d2 is 90 degrees.
The scan lines S are disposed at portions corresponding to the display area AA and the fan-out area FA, extend along the second direction d2, and are arranged along the first direction d 1. The connection lines 110 are disposed at portions corresponding to the display area AA and the fan-out area FA, and any one of the connection lines 110 is electrically connected to the data line D through a contact hole 112. The connection line 110 and the data line D are disposed in the same layer. Optionally, in an embodiment, the connection line 110 and the data line D are formed by etching a same metal layer using a same mask. That is, the connection line 110 and the data line D may be formed simultaneously. In the embodiment of the present invention, the connecting line 110 is disposed in the display area AA, so that the problem of uneven brightness of the light-emitting panel 10 caused by an excessively large splicing seam is avoided.
Specifically, the distance of the contact hole 112 from the reference line 113 in the middle of the light-emitting panel gradually increases in the second direction d2 directed from the display area AA to the fan-out area FA. As shown in fig. 2, the connection lines 110 and the data lines D are connected in an interlaced manner, which equalizes the uneven brightness of the light-emitting panel due to the charging difference between the far end and the near end, so as to improve the quality of the light-emitting panel.
Further, with reference to fig. 2, in an embodiment, the connection lines 110 between any two columns of the scan lines S are defined as a same set of connection lines, and the connection lines 110 and the data lines D are electrically connected to the same side of the reference line 113. The M rows of data lines D include H data line combinations, the connecting lines 110 of the same group are electrically connected to one side of the reference line 113 with odd data line combinations of the H data line combinations, and the connecting lines 110 of the same group are electrically connected to the other side of the reference line with even data line combinations of the H data line combinations. Moreover, the same group of connection lines located in the middle of the N rows of scan lines is electrically connected to the H-th data line combination, and further, the same group of connection lines 110 located in the middle of the N rows of scan lines is electrically connected to one side away from the fan-out area FS with the H-th data line combination. Where H is a positive integer greater than zero, optionally, in one embodiment, H-M or 1/2M or H-1/3M or H-1/4M. It should be noted that the number of the connecting lines 110 in the same group is at least one.
For example, referring to fig. 2, in one embodiment, a light emitting panel having 16 column data lines D and 11 column scan lines S is taken as an example, any two scan lines S are defined as a same set of connecting lines, and the number of the connecting lines 110 in the same set is two.
In this embodiment, the number of one data line combination is two adjacent rows of data lines D. That is, the 16-row data lines D include a first data line combination (D1 and D2), a second data line combination (D3 and D4), a third data line combination (D5 and D6), a fourth data line combination (D7 and D8), a fifth data line combination (D9 and D10), a sixth data line combination (D11 and D12), a seventh data line combination (D13 and D14), and an eighth data line combination (D15 and D16). The connection line 110 and the data line D in this embodiment are connected as shown in fig. 2. The connection lines 110 between the first scanning line S1 and the second scanning line S2 are electrically connected to the first data line group (odd data line groups, D1 and D2) of the H data line groups through contact holes 112. The connection lines 110 between the second scan line S2 and the third scan line S3 are electrically connected to the third data line group (odd data line groups, D5 and D6) of the H data line groups through the contact holes 112. That is, the M rows of data lines D include H data line combinations, and the connecting lines 110 and odd data line combinations of the H data line combinations in the same group are electrically connected to one side of the reference line 113.
With reference to fig. 2, the connection lines 110 between the tenth scan line S10 and the eleventh scan line S11 are electrically connected to the second data line group (even data line groups, D3 and D4) of the H data line groups through the contact holes 112. The connection lines 110 between the ninth scan line S9 and the tenth scan line S10 are electrically connected to the fourth data line group (even data line groups, D7 and D8) of the H data line groups D through the contact holes 112. That is, the connection line 110 of the same group is electrically connected to the other side of the reference line with an even number of data line combinations among the H data line combinations. In this embodiment, the wiring method of the connection lines 110 and the data lines D can balance the problem of uneven brightness of the light-emitting panel due to the charging difference between the far end and the near end, so as to improve the quality of the light-emitting panel. In addition, the connection lines 110 in the display area AA and the scan lines S in the display area AA have the same length, so as to equalize the load of the data signals in the light emitting panel.
It should be noted that the embodiment of the present invention is only an example of a light emitting panel including 16 rows of data lines D and 11 columns of scan lines S, and the present invention may also include other examples.
Referring to fig. 3, fig. 3 is another schematic diagram of a light emitting panel according to an embodiment of the invention. The connection line 110 at one side of the reference line 113 is electrically connected to the odd-numbered row data lines among the M row data lines D. The connection line 110 at the other side of the reference line 113 is electrically connected to even-numbered row data lines among the M row data lines D.
Specifically, in this embodiment, a light-emitting panel having 15 rows of data lines D and 11 columns of scanning lines S is taken as an example.
As shown in fig. 3, the M row data lines D include a first row data line D1, a second row data line D2, a third row data line D3, a fourth row data line D4, a fifth row data line D5, a sixth row data line D6, a seventh row data line D7, an eighth row data line D8, a ninth row data line D9, a tenth row data line D10, an eleventh row data line D11, a twelfth row data line D12, a thirteenth row data line D13, a fourteenth row data line D14, and a fifteenth row data line D15. A first connection line of the K connection lines 110 is electrically connected to a first row data line D1 of the M row data lines D. A second connection line of the K connection lines 110 is electrically connected to a third row data line D3 of the M row data lines D. A third connecting line of the K connecting lines 110 is electrically connected to a 5 th row data line D5 of the M row data lines D. A fourth connection line of the K connection lines 110 is electrically connected to a seventh row data line D7 of the M row data lines D. That is, the connection lines electrically connected to the odd line data lines of the M line data lines D are located on the same side of the reference line 113, and the connection line 110 located on the side of the reference line 113 is electrically connected to the odd line data lines of the M line data lines D.
The kth connection line of the K connection lines 110 is electrically connected to the second row data line D2 of the M row data lines D. The (K-1) th connecting line of the (K) connecting lines 110 is electrically connected with the (fourth) row data line D4 of the (M) row data line D. The (K-2) th connecting line of the (K) connecting lines 110 is electrically connected with the (sixth) row data line D6 of the (M) row data line D. The (K-3) th connecting line of the (K) connecting lines 110 is electrically connected with the (eighth) row data line D8 of the (M) row data line D. That is, the connection lines electrically connected to the even-numbered row data lines among the M row data lines D are located at the other same side of the reference line 113. And, the connection line D positioned at the other side of the reference line 113 is electrically connected to even-numbered row data lines among the M-row data lines. In this embodiment, the wiring method of the connection lines 110 and the data lines D can balance the problem of uneven brightness of the light-emitting panel due to the charging difference between the far end and the near end, so as to improve the quality of the light-emitting panel. In addition, the connection lines 110 in the display area AA have the same length as the scan lines S in the display area AA in the present embodiment, so as to equalize the load of the data signals in the light emitting panel.
It should be noted that, in the embodiment of the present invention, the number of the M row of data lines and the number of the K connection lines may be equal or may not be equal.
The embodiment of the present invention is only an example of a light emitting panel having 15 rows of data lines D and 11 columns of scan lines S, and the present invention may also include other examples.
Referring to fig. 2 or fig. 3, the driving chip 111 is electrically connected to one end of the connecting line 110 and one end of the scan line S.
The light emitting panel 10 according to the embodiment of the present invention further includes light emitting chips 114, and the light emitting chips 114 are disposed in M × N pixel regions partitioned by the M row data lines D and the N column scanning lines S. The driving chip 112 is connected to the light emitting chip 114 through the M rows of data lines D and the N columns of scanning lines S. The light emitting chip can be a Mini LED light emitting chip or a Micro LED light emitting chip.
Further, the light-emitting panel 10 further includes a film assembly (not shown) covering the light-emitting chip, which includes a series of optical film assemblies such as a quantum film, a prism film, a diffusion film, and a brightness enhancement film.
Referring to fig. 4, an embodiment of the present invention further provides a display device 20, where the display device 20 includes a liquid crystal cell 202 and a backlight module 201, the liquid crystal cell 202 is disposed on the backlight module 201, where the backlight module 201 includes a backlight 2011, and the backlight 2011 is the light-emitting panel 10 described above. The backlight 2011 in the present embodiment may be a direct-type backlight or a side-type backlight, which is not limited herein.
The light-emitting panel 10 in the embodiment of the invention can be used for direct display and can also be used as a backlight source in a display device. When the light emitting panel 10 is used for direct display, for example, the light emitting panel 10 may be used as an LED television.
The embodiment of the invention provides a light-emitting panel and a display device, wherein the light-emitting panel in the embodiment of the invention arranges connecting lines electrically connected with data lines between scanning lines, so that the problem of uneven brightness of the display device caused by overlarge splicing seams is avoided.
In addition, the connecting wires and the data wires are overlapped in a staggered mode, the wiring method can solve the problem of uneven brightness of the light-emitting panel due to charging difference of the far end and the near end, and therefore the taste of the light-emitting panel can be improved. In addition, the connection lines in the display area and the scan lines in the display area in this embodiment have the same length, so as to equalize the load of the data signals in the light-emitting panel.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A light-emitting panel characterized in that the light-emitting panel includes a display region and a fan-out region, the light-emitting panel further comprising:
m row of data lines, wherein M is a positive integer greater than zero, the data lines are arranged at the parts corresponding to the display regions, and the data lines extend along a first direction and are arranged along a second direction;
n rows of scanning lines, wherein N is a positive integer greater than zero, the scanning lines are arranged at parts corresponding to the display area and the fan-out area, and the scanning lines extend along the second direction and are arranged along the first direction;
k is a positive integer larger than zero, the connecting lines are arranged at parts corresponding to the display area and the fan-out area, and any one connecting line is connected with the data line through a contact hole;
and the driving chip is electrically connected with one end of the connecting wire and one end of the scanning line.
2. The luminescent panel according to claim 1, wherein a distance of the contact hole from a reference line in a middle portion of the luminescent panel gradually increases in the second direction directed from the display area to the fan-out area.
3. The light-emitting panel according to claim 2, wherein the connection lines between any two columns of the scan lines are defined as a same group of connection lines, and the same group of the connection lines and the data lines are electrically connected to a same side of the reference line.
4. The light-emitting panel according to claim 3, wherein the M row of data lines includes H data line combinations, the same group of the connection lines is electrically connected to one side of the reference line with odd data line combinations among the H data line combinations, and the same group of the connection lines is electrically connected to the other side of the reference line with even data line combinations among the H data line combinations.
5. The luminescent panel according to claim 3, wherein the number of the connecting lines in the same group is at least one.
6. The luminescent panel according to claim 2, wherein the connection line on the side of the reference line is electrically connected to an odd-numbered line data line of the M-line data lines; and the connecting line positioned on the other side of the reference line is electrically connected with the even-numbered row of the M row of data lines.
7. The luminescent panel according to claim 1, wherein the connection line is provided in the same layer as the data line.
8. The luminescent panel according to claim 7, wherein the connection line and the data line are formed by etching the same metal layer with the same mask.
9. The light-emitting panel according to claim 1, further comprising light-emitting chips provided in M × N pixel regions partitioned by the M row data lines and the N column scan lines.
10. A display device, comprising a liquid crystal cell and a backlight module, wherein the liquid crystal cell is disposed on the backlight module, and wherein the backlight module comprises a backlight source, and the backlight source is the light-emitting panel according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148750.5A CN112255852A (en) | 2020-10-23 | 2020-10-23 | Display device and light-emitting panel |
| PCT/CN2020/137395 WO2022082980A1 (en) | 2020-10-23 | 2020-12-17 | Display device and light-emitting panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148750.5A CN112255852A (en) | 2020-10-23 | 2020-10-23 | Display device and light-emitting panel |
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| CN112255852A true CN112255852A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011148750.5A Pending CN112255852A (en) | 2020-10-23 | 2020-10-23 | Display device and light-emitting panel |
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| CN (1) | CN112255852A (en) |
| WO (1) | WO2022082980A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066799A (en) * | 2021-03-16 | 2021-07-02 | 泉芯集成电路制造(济南)有限公司 | Semiconductor device and method for manufacturing the same |
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| WO2022082980A1 (en) | 2022-04-28 |
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