CN112289808B - Display panel and display device - Google Patents
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- CN112289808B CN112289808B CN202011164480.7A CN202011164480A CN112289808B CN 112289808 B CN112289808 B CN 112289808B CN 202011164480 A CN202011164480 A CN 202011164480A CN 112289808 B CN112289808 B CN 112289808B
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- 239000010410 layer Substances 0.000 claims abstract description 112
- 239000002184 metal Substances 0.000 claims abstract description 54
- 239000012044 organic layer Substances 0.000 claims description 16
- 239000002346 layers by function Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 10
- 239000010409 thin film Substances 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 8
- 238000005538 encapsulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 229910052755 nonmetal Inorganic materials 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- UMVBXBACMIOFDO-UHFFFAOYSA-N [N].[Si] Chemical compound [N].[Si] UMVBXBACMIOFDO-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the disclosure provides a display panel and a display device, wherein the display panel comprises a display area and a non-display area. The non-display area comprises a frame area, the frame area comprises a plurality of sub-frame areas, at least one metal layer is arranged in the film layer of the display panel corresponding to the sub-frame areas, and the metal layer structure is arranged at the corners of the periphery to effectively improve the color displayed at the corners, so that the color displayed by the non-display area is consistent with the color displayed by the display area of the display panel after the display area is penetrated through the protective layer. Therefore, the problem of color difference of the edge of the display panel is solved, and the display quality of the display panel is improved.
Description
Technical Field
The disclosure relates to the technical field of display panels, and in particular relates to a display panel and a display device.
Background
With the continuous development of display technology, the performance and quality of each display device are continuously improved, so as to meet various use requirements of users.
In order to meet the demand of consumers for the screen ratio of the display panel, the full-screen and narrow-frame display panel is increasingly valued. The narrow-frame display screen has the advantages of simplicity, large visible area and the like. However, in the prior art, when the full-screen or narrow-frame display panel is manufactured, the peripheral edge area of the panel, for example, at four corners, often has a technical problem of poor display quality. For example, in the module manufacturing process, due to the precision error and the patch error of the incoming material, the margin of the black ink of the panel is a certain distance from the actual light-emitting area of the panel, which eventually results in poor display quality in the area, such as a non-rectangular special shape in the display area or a non-rectangular special shape in the edge near the display panel, the special boundary line between the pixel unit and the display panel cannot be completely overlapped, and thus the problems of jagged display lines and the like occur, and the display effect is not ideal.
In summary, in the prior art, when a full-screen or narrow-frame display panel is manufactured, there is often a problem that the display quality is poor at the peripheral edge area of the display panel, for example, the abnormal boundary line between the pixel unit and the display panel cannot be completely overlapped, and the display is abnormal, and the display quality of the display panel is poor.
Disclosure of Invention
The embodiment of the disclosure provides a display panel and a display device, which are used for solving the problems of the prior display device that the display effect is not ideal and the like due to the fact that the displayed pictures and colors are greatly different from the display pictures and colors in the display area at the frame area of the display device, for example, at the peripheral corner area of the display device.
The embodiment of the invention provides a display panel and a display device, which provide good display effect.
In order to solve the above technical problems, the technical solution provided by the embodiments of the present disclosure is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided a display panel including:
a display area;
a non-display area disposed around the display area; and
at least one metal layer arranged in the non-display area;
the non-display area comprises a frame area, the frame area comprises a plurality of sub-frame areas, and the at least one metal layer is arranged corresponding to the sub-frame areas.
According to an embodiment of the disclosure, the sub-frame region includes a first sub-frame region, a second sub-frame region, a third sub-frame region, and a fourth sub-frame region that are connected to each other.
According to an embodiment of the disclosure, the first sub-frame region corresponds to two side frame regions of the display panel, the second sub-frame region corresponds to four corner regions of the display panel, the third sub-frame region corresponds to a complementary capacitance region of the display panel, and the fourth sub-frame region corresponds to a bottom virtual pixel region of the display panel.
According to an embodiment of the present disclosure, the at least one metal layer is disposed within the corner region.
According to an embodiment of the disclosure, the metal layer includes a source and drain of a thin film transistor or a metal wiring layer.
According to an embodiment of the present disclosure, the display panel includes:
a substrate base;
a gate layer disposed on the substrate base plate;
a first insulating layer disposed on and covering the gate layer;
a first organic layer disposed on the source electrode and the drain electrode;
a functional layer disposed on the first organic layer;
the packaging layer is arranged on the functional layer;
the second insulating layer is arranged on the packaging layer; and
and a second organic layer disposed on the second insulating layer.
According to an embodiment of the disclosure, the source and the drain of the thin film transistor are disposed in the sub-frame region, and the source and the drain of the thin film transistor are disposed between the first insulating layer and the first organic layer.
According to an embodiment of the disclosure, the metal routing layer is disposed in the sub-frame region, and the metal routing layer is disposed between the second insulating layer and the second organic layer.
According to an embodiment of the disclosure, the metal routing layer has the same outline shape corresponding to the corner area of the display panel.
According to a second aspect of the present disclosure, there is also provided a display device including the display panel provided by the embodiments of the present disclosure.
In summary, the beneficial effects of the embodiment of the present disclosure are:
the display panel comprises a display area and a non-display area, wherein at least one metal layer is arranged in a film layer of the display panel at the corner area of the periphery of the display panel corresponding to the non-display area. Through setting up the metal layer structure to the colour that the corner region department was showing after permeating the protective layer is effectual improved, make its colour that shows and the display panel display area department is showing after permeating the protective layer unanimous. Therefore, the problem of color difference of the edge of the display panel is solved, and the display quality of the display panel is improved.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments disclosed, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic plan view of a display panel according to an embodiment of the disclosure;
FIG. 2 is a schematic diagram of a corner area of a display panel according to an embodiment of the disclosure;
FIG. 3 is a schematic diagram of a film structure of a display panel according to an embodiment of the disclosure;
fig. 4 is a schematic diagram of a film structure of another display panel according to an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. All other embodiments, which can be made by those skilled in the art based on the embodiments disclosed herein without departing from the scope of the invention, are intended to be within the scope of the present disclosure.
With the continuous development of display technology, full-screen and ultra-narrow frame display panels are increasingly used by people. However, in the conventional narrow frame type display panel, blank areas on both sides of an actual light emitting area of the panel, especially at corner areas of the display panel, the difference between the film layer structure and the display area inside the display panel is large, and there are a black area and a brown area with obvious difference, so that the problems of display of different colors, beautiful appearance and the like finally occur.
The embodiment of the disclosure provides a display panel, wherein the display area and the non-display area of the display panel are not different in visual effect, the problem of heterochromatic display at the edge and the like does not exist, and the display effect is good.
Fig. 1 is a schematic plan view of a display panel according to an embodiment of the disclosure. The display panel 100 includes a display area 101 and a non-display area 102. The non-display area 102 surrounds the display area 101, the display area 101 is mainly an area of the display panel 100 that emits light normally, and no image is formed in the non-display area 102.
Specifically, the non-display area 102 of the display panel 100 further includes an ink border area 1021 and a bezel area 1022.
Wherein, black ink is arranged in the ink boundary area 1021, and the ink can better seal each film layer of the display panel 100, so as to ensure the compactness of the display panel. Normally, the ink boundary area 1021 is shown in black.
The frame region 1022 is located between the display region 101 and the ink border region 1021, and further, the frame region 1022 further includes a plurality of sub-frame regions.
In the embodiment of the disclosure, the plurality of sub-frame regions include a first sub-frame region 10221, a second sub-frame region 103, a third sub-frame region 104, and a fourth sub-frame region 105, where the sub-frame regions are connected to each other to form a closed non-display region 102 in the embodiment of the disclosure.
Specifically, in conjunction with the structure in fig. 1, the first sub-frame area 10221 corresponds to two side frame areas of the display panel 100, where the two side frame areas may be generally flat areas, i.e. long sides of the display panel 100.
The first sub-frame area 10221 is provided with a metal wiring layer of the display panel, and the material of the metal wiring layer may be metal such as Ti/Al/Ti, and when the display panel is observed from the outside, the color displayed by the first sub-frame area 10221 is black due to the metal wiring layer.
The second sub-frame area 103 corresponds to four corner areas of the display panel 100, where the outline of the display panel 100 is greatly transformed, so that the problem of color variation is more likely to occur.
In the embodiment of the present disclosure, in order to improve the display effect of the panel, at least one metal layer is disposed in the film layer of the display panel corresponding to the second sub-frame region 103, and the metal layer structure is disposed, so that when the display panel is viewed from the outside, i.e. through the outermost protective film layer, the second sub-frame region 103 is displayed in black, and at this time, the color of the second sub-frame region is identical to that of the first sub-frame region 10221.
The third sub-frame region 104 corresponds to a complementary capacitance region (notch loading) of the display panel, in which devices such as an image pickup device of the display device can be disposed, and a compensation capacitance structure and a metal trace are disposed in the third sub-frame region 104, so that the third sub-frame region 104 is also black when displayed.
The fourth sub-frame area 105 corresponds to a bottom virtual pixel area of the display panel, and in the embodiment of the disclosure, a fingerprint sensing system may be disposed in the virtual pixel area, and metal wirings and corresponding data line structures are added in the film layer of the display panel corresponding to the area. Therefore, the color of the fourth sub-frame area 105 is also black when viewed.
Therefore, in the embodiment of the present disclosure, by disposing the metal layer in the second sub-frame region 103, the first sub-frame region 10221, the second sub-frame region 103, the third sub-frame region 104 and the fourth sub-frame region 105 of the display panel 100 are visually the same in color, and there is no problem of color variation.
Further, as shown in fig. 2, fig. 2 is a schematic view of a corner area of a display panel according to an embodiment of the disclosure. Within the display area 101 of the display panel 100, a plurality of pixel units 203 arranged in an array are included.
In the embodiment of the disclosure, the pixel units 203 corresponding to the vicinity of the central area of the display area 101 are normally disposed, and the boundary line of the area near the second sub-frame area 103 is in an arc structure, so that the pixel units 203 can be disposed in a step structure to ensure the light emitting and displaying effects.
In the embodiment of the present disclosure, a metal layer 201 is further disposed in the film layer structure of the display panel corresponding to the second sub-frame region 103.
The outer contour of the metal layer 201 may be the same as the outer contour 202 of the boundary of the second sub-frame region 103, and the metal layer 201 may be the source/drain electrodes or the metal traces of the thin film transistor of the display panel, and a plurality of the metal layers 201 may be disposed at equal intervals.
Preferably, when the metal wires are disposed, the density of wires near the outer side of the second sub-frame area 103 may be greater than the density of metal wires near the display area 101, so that the metal wires in different areas are reasonably arranged without affecting the display of the display area 101.
Since the metal layer 201 is provided in the second sub-frame region 103 and the metal layer 201 is opaque, the region is visually black when displayed or not displayed, and the color is the same as that of other non-display regions, and the overall uniformity is good.
Further, in the embodiment of the present disclosure, the second sub-frame area 103 may be configured as a right circular corner, and preferably may be configured as four oval or conical circular corner structures with the same size, and a plurality of metal layers 201, such as a plurality of metal wires arranged at intervals, are disposed at the corresponding areas. The display panel after encapsulation is effectively prevented from being damaged by substances such as water, gas and the like, and the reliability of the panel is improved.
Fig. 3 is a schematic diagram of a film structure of a display panel according to an embodiment of the disclosure. The film structure is mainly a film structure schematic diagram corresponding to the corner area of the display panel. The display panel includes a substrate 30, a gate layer 308, and a first insulating layer 302 sequentially disposed.
Wherein the gate layer 308 is disposed on the substrate 30, and the first insulating layer 302 completely covers the gate layer 308. In the disclosed embodiment, the substrate base 30 may further include a polyimide layer 300 and a non-metal layer 301 disposed on the polyimide layer 300. The non-metal layer 301 may include a nitrogen-silicon inorganic material such as SiOx.
In the embodiment of the present disclosure, the display panel further includes a functional layer 31, wherein the functional layer 31 is mainly a light-emitting display film layer of the display panel, and the functional layer 31 displays a display screen.
Specifically, the functional layer 31 may include a first organic layer 304, an electrode layer 305, and a light emitting layer 306 sequentially disposed. The film layer structure can be arranged according to the film layer of a conventional display panel.
Preferably, in the embodiment of the present disclosure, since a metal layer structure is disposed at the corner region, the display panel further includes the metal layer. Specifically, when the metal layer is the source/drain layer 303 of the thin film transistor, the source/drain layer 303 of the thin film transistor is disposed between the first insulating layer 302 and the first organic layer 304. Thus, the light emitting region of the display panel is not affected.
Further, the display panel may further include an encapsulation layer 307, and the encapsulation layer 307 may be disposed on the functional layer 31.
Meanwhile, in order to improve the packaging effect and reliability of the display panel, the display panel may further include at least one second insulating layer and a second organic layer stacked on each other, wherein the second insulating layer is disposed on the packaging layer 307, and the second organic layer is disposed on the second insulating layer. Finally, the visual color at the corner area is ensured to be black.
Preferably, as shown in fig. 4, fig. 4 is a schematic film structure of another display panel according to an embodiment of the disclosure. The display panel includes a substrate 40, a gate electrode layer 409, and a first insulating layer 402, which are sequentially disposed.
Wherein the gate layer 409 is disposed on the substrate base 40, and the first insulating layer 402 completely covers the gate layer 409. In the disclosed embodiment, the substrate base plate 40 may further include a polyimide layer 400 and a non-metal layer 401 disposed on the polyimide layer 400. The non-metal layer 401 may include a nitrogen-silicon inorganic material such as SiNx.
In the embodiment of the present disclosure, the display panel further includes a functional layer 403, where the functional layer 403 is mainly a light emitting display film layer of the display panel, and the functional layer 403 displays a display screen.
Specifically, the functional layer 403 may include a first organic layer, an electrode layer, and a light emitting layer sequentially disposed. The film layer structure can be arranged according to the film layer of a conventional display panel.
And an encapsulation layer 404 provided on the functional layer 403, a second insulating layer 405 provided on the encapsulation layer 404. The encapsulation layer 404 may be a stacked structure of multiple film layers, so as to improve the encapsulation effect of the display panel.
Further, in order to eliminate the problem of inconsistent color when the display panel is viewed, the display panel in the embodiment of the disclosure further includes a metal wiring layer 406. The metal routing layer 406 is disposed on the second insulating layer 405, and the outer contours of the equidistant border angle areas between the metal routing layers are disposed, and the metal routing layers are reasonably arranged according to the structure of the specific display device.
Meanwhile, a third insulating layer 407 and a second organic layer 408 may be sequentially disposed on the metal wiring layer 406.
The embodiment of the disclosure also provides a display device, which comprises the display panel provided by the embodiment of the disclosure, wherein the metal layer structure provided by the embodiment of the disclosure is arranged at the frame area of the display panel, and when the display device is in visual observation, the color of each area is the same, the problem of different colors is avoided at the corner area, the difference is avoided between the corner area and the display area, and the consistency of the panel is good.
The display panel and the display device provided by the embodiments of the present disclosure are described in detail, and the description of the above embodiments is only for helping to understand the technical solution of the present disclosure and the core idea thereof; those of ordinary skill in the art will appreciate that: the technical solutions described in the foregoing embodiments may be modified, and these modifications or substitutions may be made without departing from the spirit of the technical solutions of the embodiments of the present disclosure.
Claims (7)
1. A display panel, the display panel comprising:
a display area;
a non-display region including a border region and an ink border region, the non-display region disposed around the display region, and the border region located between the display region and the ink border region; and
at least one metal layer disposed in the non-display region;
the non-display area comprises a frame area, the frame area comprises a plurality of sub-frame areas, and the metal layer is arranged corresponding to the sub-frame areas;
the sub-frame area comprises a first sub-frame area, a second sub-frame area, a third sub-frame area and a fourth sub-frame area which are connected and arranged; the second sub-frame area is a corner area, a plurality of metal wires are arranged in the second sub-frame area at intervals, the outer outline of the corner area is the same as the corresponding outer outline of the boundary of the metal layer, the metal layer is positioned in the second sub-frame area, and the density of the metal wires close to the outer side of the corner area is greater than that of the metal wires close to the display area;
the first sub-frame area corresponds to two side frame areas of the display panel, the first sub-frame area is arranged as a flat area, and the corner area is arranged as an arc structure;
the third sub-frame area corresponds to a compensation capacitance area of the display panel, a compensation capacitance structure and the metal wiring are arranged in the third sub-frame area, and the fourth sub-frame area corresponds to a bottom virtual pixel area of the display panel.
2. The display panel of claim 1, wherein the first sub-bezel area corresponds to two side bezel areas of the display panel.
3. The display panel of claim 1, wherein the at least one metal layer comprises a source and a drain of a thin film transistor or a metal wiring layer.
4. A display panel according to claim 3, characterized in that the display panel comprises:
a substrate base;
a gate layer disposed on the substrate base plate;
a first insulating layer disposed on and covering the gate layer;
a first organic layer disposed on the source electrode and the drain electrode;
a functional layer disposed on the first organic layer;
the packaging layer is arranged on the functional layer;
the second insulating layer is arranged on the packaging layer; and
and a second organic layer disposed on the second insulating layer.
5. The display panel of claim 4, wherein a source and a drain of the thin film transistor are disposed in the sub-frame region, the source and the drain of the thin film transistor being disposed between the first insulating layer and the first organic layer.
6. The display panel of claim 4, wherein the metal trace layer is disposed within the sub-frame region, the metal trace layer being disposed between the second insulating layer and the second organic layer.
7. A display device comprising the display panel according to any one of claims 1-6.
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CN110600505A (en) * | 2019-08-20 | 2019-12-20 | 武汉华星光电半导体显示技术有限公司 | OLED display device |
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CN109037292B (en) * | 2018-08-01 | 2021-01-08 | 维沃移动通信有限公司 | Display screen and mobile terminal |
CN110618568A (en) * | 2019-08-27 | 2019-12-27 | 深圳市华星光电技术有限公司 | Liquid crystal display panel, manufacturing method thereof and frameless liquid crystal display device |
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CN110047880A (en) * | 2019-03-28 | 2019-07-23 | 武汉华星光电半导体显示技术有限公司 | Display panel |
CN110190104A (en) * | 2019-06-03 | 2019-08-30 | 武汉天马微电子有限公司 | Display panel and manufacturing method thereof |
CN110600505A (en) * | 2019-08-20 | 2019-12-20 | 武汉华星光电半导体显示技术有限公司 | OLED display device |
CN111682057A (en) * | 2020-07-07 | 2020-09-18 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
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