CN112382646B - OLED display panel and touch display screen - Google Patents
OLED display panel and touch display screen Download PDFInfo
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- CN112382646B CN112382646B CN202011245035.3A CN202011245035A CN112382646B CN 112382646 B CN112382646 B CN 112382646B CN 202011245035 A CN202011245035 A CN 202011245035A CN 112382646 B CN112382646 B CN 112382646B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
Abstract
The invention provides an OLED display panel and a touch display screen. The display panel is provided with a display area and a non-display area, the non-display area comprises a first lap joint area, a second lap joint area and a contact area, the first lap joint area is arranged adjacent to the side edge of the display area, the second lap joint area is arranged adjacent to the corner of the display area, and the contact area is arranged at the corner of the non-display area and used for setting a touch signal contact. The display panel includes a cathode signal trace, a communication trace, and a cathode layer. The cathode signal routing wire is arranged in the non-display area and extends along the outer side edge of the non-display area, and the contact point area is located between the cathode signal routing wire and the second lap joint area. The communication wiring is arranged in the non-display area and bypasses the touch signal contact, and the communication wiring is electrically connected with the cathode signal wiring for transmitting the cathode signal. The cathode layer covers the display area and extends to the first lap joint area and the second lap joint area, the cathode layer is electrically connected with the cathode signal wiring in the first lap joint area, and the cathode layer is electrically connected with the communicating wiring in the second lap joint area.
Description
Technical Field
The invention relates to the technical field of display, in particular to an OLED display panel and a touch display screen.
Background
Currently, touch control functions become indispensable functions of mobile phones and other devices with display screens. A display device with a touch function is generally formed by combining a touch unit and a display panel, wherein a touch circuit is located inside the display panel (also referred to as an in-cell), and is a hot selection scheme of a touch display technology due to the great advantages of high integration level, thinner and lighter screen body, and the like.
In the OLED (organic light emitting diode) display device adopting the in-cell touch integrated scheme in the prior art, since the touch unit graphic circuit is designed inside the package cover plate, the touch circuit signal inside the package cover plate needs to be connected to the array substrate of the display panel. In the prior art, touch signal contact points are generally designed on the frame of the display screen, and these contact points may be disposed between the signal traces in the non-display area and the display area for making signal contact with the corresponding touch circuits on the package cover plate.
The OLED display panel comprises a cathode and an anode which are oppositely arranged, and a light emitting layer between the cathode and the anode, wherein anode voltage is provided for the anode through an anode signal wire, and cathode voltage is provided for the cathode through a cathode signal wire so as to supply power to the light emitting layer. The cathode voltage is generally inputted to the cathode through the bonding region, and specifically, the cathode layer near the edge of the display region is in signal communication with the cathode signal traces through the metal bonding wires. At the straight edge of the screen where the touch signal contact point is not arranged, the cathode layer close to the straight edge of the display area can be directly communicated with the cathode signal wiring through the lapping wire. However, due to the arrangement of the touch signal contact points, the cathode layer at the corners of the screen needs to be retracted to the edge of the display area, so that the cathode layer near the corners (such as the corners) of the display area is far away from the cathode signal traces, and the cathode layer often needs to be routed to the straight edge near the display area to be connected with the cathode signal traces in an overlapping manner. Therefore, the cathode signals at the corners of the display area and the straight edges of the display area are different due to the different distances of the input paths, so that the display effect of the whole display panel is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides an OLED display panel and a touch display screen.
The OLED display panel provided by the invention is provided with a display area and a non-display area surrounding the display area; the non-display area comprises a first lap joint area, a second lap joint area and a contact area, the first lap joint area is arranged adjacent to the side edge of the display area, the second lap joint area is arranged adjacent to the corner of the display area, and the contact area is located at the corner of the non-display area and used for setting a touch signal contact. The OLED display panel comprises a cathode signal wire, a communication wire and a cathode layer. The cathode signal wiring is arranged in the non-display area and extends along the outer side edge of the non-display area, and the contact point area is positioned between the cathode signal wiring and the second lap joint area. The communication wiring is arranged in the non-display area and bypasses the touch signal contact, the communication wiring extends from the cathode signal wiring to the corner of the display area, and the communication wiring is electrically connected with the cathode signal wiring for transmitting the cathode signal. The cathode layer covers the display area and extends to the first lap joint area and the second lap joint area, the cathode layer is electrically connected with the cathode signal wiring in the first lap joint area, and the cathode layer is electrically connected with the communicating wiring in the second lap joint area.
Preferably, the OLED display panel of the present invention further includes an anode layer, where the anode layer includes an anode in the display area and an anode metal trace in the non-display area.
Further, the anode metal wiring comprises a communication wiring, the communication wiring is electrically connected with the cathode signal wiring in an overlapping or direct contact mode, and the communication wiring is electrically connected with the cathode layer in the second overlapping area in an overlapping or direct contact mode.
Or further, the anode metal trace comprises a first overlapping wire, and the cathode layer is electrically connected with the cathode signal trace in the first overlapping region through the first overlapping wire.
Preferably, the OLED display panel of the present invention further includes a first signal transmission layer, where the first signal transmission layer includes a touch signal trace located in the touch area, and the touch signal trace is electrically connected to the touch signal contact for transmitting the touch signal.
Furthermore, the OLED display panel of the present invention further includes a second signal transmission layer, where the second signal transmission layer includes a communication trace located in the non-display area, and the communication trace bypasses the touch signal contact when passing through the touch area and is not electrically connected to the touch signal trace.
Furthermore, the cathode signal wire in the non-display area is disposed on the first signal transmission layer or the second signal transmission layer.
Preferably, the communicating trace is a strip trace or a grid trace bypassing the touch signal contact.
Preferably, the communication line is provided with a micropore.
The invention also provides a touch display screen which comprises a cover plate and the OLED display panel, wherein the cover plate is provided with a touch unit, and the touch unit is electrically connected with the touch signal contact of the OLED display panel.
Compared with the prior art, the OLED display panel and the touch display screen have the advantages that the cathode signal wiring close to the frame is connected to the edge of the display area through the anode metal layer or other metal layers, penetrates through the gap between the touch signal contacts in the contact area and is connected to the cathode layer, so that the winding area at the edge of the display area is also changed into a direct connection area, the transmission signal difference caused by different conductive paths is reduced, and the integral display effect of the display panel is consistent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of an OLED display panel according to an embodiment of the invention.
Fig. 2 is a partial schematic view of an OLED display panel at a corner according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a pixel circuit of an OLED display panel according to an embodiment of the invention.
Fig. 4 is a schematic view illustrating a trace overlapping manner corresponding to a second overlapping area according to an embodiment of the invention.
Fig. 5 is a schematic view illustrating a trace overlapping manner corresponding to the first overlapping region according to an embodiment of the invention.
Fig. 6 is a schematic diagram of a trace for interconnection according to an embodiment of the invention.
Fig. 7 is a schematic view of a touch display screen according to an embodiment of the invention.
Detailed Description
In order to further understand the objects, structures, features, and functions of the present invention, the following embodiments are described in detail.
The OLED display panel and the touch display screen can be used for various electronic devices such as smart phones, tablet computers, televisions, displays, vehicle-mounted display screens and navigators.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic view of an OLED display panel according to an embodiment of the invention, and fig. 2 is a partial schematic view of the OLED display panel at a corner according to the embodiment of the invention. The OLED display panel 100 has a display area AA and a non-display area NA surrounding the display area AA. In an embodiment, the non-display area NA is located around the display area AA, the non-display area NA is disposed in an area defined from an outer boundary of the display area AA to an edge of the display panel 100, and the non-display area NA may be provided with signal traces or driving circuits for applying signals to the display area AA and/or the touch unit.
The non-display area NA includes a first overlapping area 10, a second overlapping area 20 and a contact area 30, the first overlapping area 10 is disposed adjacent to a side of the display area AA, the second overlapping area 20 is disposed adjacent to a corner of the display area AA, and the contact area 30 is disposed at the corner of the non-display area NA and is used for disposing the touch signal contact 3. In an embodiment, a region corresponding to a side of the display area AA has a substantially rectangular shape, and each row of pixels in the region includes the same number of pixels; the area corresponding to the corner of the display area AA has an approximately circular arc-shaped edge, each row of pixels in the area includes pixels with different numbers, and the number of the pixels gradually decreases along the direction away from the display area AA. For example, as shown in fig. 1, the first overlapping regions 10 may be symmetrically disposed at left and right sides of the display area AA, and the second overlapping regions 20 may be symmetrically disposed at left and right corners of the display area AA, but the present invention is not limited thereto. Within the first and second lap joint regions 10 and 20, including but not limited to ground, electrical connection is made by metal traces (or conductive electrodes).
The OLED display panel 100 includes a cathode signal trace 1, a via trace 2, and a cathode layer 4. It should be noted that the cathode signal trace 1 is only schematically shown in fig. 1. The cathode signal trace 1, also referred to as a common power trace, may be disposed in the non-display area NA and surround a portion of the display area AA, which is not limited to extend in a straight line. For example, the cathode signal trace 1 may be arranged in a ring shape having an opening at a side of the display panel adjacent to a terminal unit (not shown), and the cathode signal trace 1 may be electrically connected to the terminal unit and may provide a cathode signal (e.g., an ELVSS voltage signal) to a cathode of an organic light emitting diode included in the pixel unit.
In one embodiment, the OLED display panel 100 is driven by an AMOLED (Active Matrix Organic Light-Emitting Diode), which is a display technology that deposits or integrates OLED pixels on a TFT (Thin Film Transistor) array, and controls the current flowing into each OLED pixel through the TFT array, thereby determining the intensity of Light at each pixel. The AMOLED uses the TFT array to control OLED pixels, and the pixels can still keep the original brightness after scanning by using capacitance storage signals. Optionally, the OLED display panel mainly includes a TFT array circuit, an anode layer, an organic light emitting layer, and a cathode layer disposed on the substrate; the TFT array circuit comprises a grid electrode, a source electrode and a drain electrode, wherein the grid electrode is used for receiving a pixel driving signal; the anode layer can be an ITO (Indium Tin Oxide) anode layer, and has good conductivity and transparency; the organic light emitting layer may be an organic EL (Electro Luminescence) layer; the cathode layer may be a whole layer of planar structure disposed above all the pixel rows for providing cathode potential to the pixel units.
Referring to fig. 3, fig. 3 is a schematic diagram of a pixel circuit of an OLED display panel according to an embodiment of the invention. The pixel circuit may include a light emitting diode 41, a driving transistor 42, a switching transistor 43, and a storage capacitor Cst. The light emitting diode 41 has an anode (terminal 411) and a cathode (terminal 412). The driving transistor 42 is used to control the amount of current flowing through the light emitting diode 41 and thereby the amount of light emitted by the pixel. The switching transistor 43 is used to load data into the storage capacitor Cst. A first terminal of the storage capacitor Cst may be coupled to the gate of the driving transistor 42 at node a and a second terminal of the storage capacitor Cst may be coupled to the anode 411 of the light emitting diode 41 at node B. ELVDD represents a positive power supply voltage, ELVSS represents a ground power supply voltage, and the cathode 412 of the light emitting diode 41 is coupled to ELVSS. The cathode signal trace 1 according to the present invention can be used for transmitting ELVSS signals. It should be noted that the pixel circuit of the present invention is not limited to the exemplary architecture shown in fig. 3, and the pixel circuit may further include more transistors or capacitors.
Referring to fig. 1 and fig. 2, the cathode signal trace 1 is disposed in the non-display area NA, the cathode signal trace 1 extends along an outer side of the non-display area NA, and the contact area 30 is located between the cathode signal trace 1 and the second overlapping area 20.
The communication line 2 is disposed in the non-display area NA and bypasses the touch signal contact 3, the communication line 2 extends from the cathode signal line 1 toward a corner of the display area AA, and the communication line 2 is electrically connected with the cathode signal line 1 for transmitting a cathode signal. In an embodiment, the connecting traces 2 may be bar traces that bypass the touch signal contacts 3, such as the straight bar traces that extend transversely as shown in fig. 2. In different embodiments, the connected trace 2 may also be a grid trace bypassing the touch signal contact 3, that is, the connected trace 2 is equivalent to a grid trace that has been cut out corresponding to the position portion of the touch signal contact 3.
The cathode layer 4 covers the display area AA and extends to the first overlapping area 10 and the second overlapping area 20, the cathode layer 4 is electrically connected to the cathode signal trace 1 in the first overlapping area 10, and the cathode layer 4 is electrically connected to the communication trace 2 in the second overlapping area 20. In one embodiment, the cathode layer 4 disposed mainly in the display area AA may partially extend to the non-display area NA, and it may directly overlap with the cathode signal trace 1 through the metal trace in the first overlapping area 10, and overlap with the communicating trace 2 through the metal trace in the second overlapping area 20 for electrically connecting to the cathode signal trace 1.
Referring to fig. 4 and 5, fig. 4 is a schematic view illustrating a trace overlapping manner corresponding to the second overlapping region according to an embodiment of the present invention, and fig. 5 is a schematic view illustrating a trace overlapping manner corresponding to the first overlapping region according to an embodiment of the present invention. In an embodiment, the OLED display panel 100 further includes an anode layer 5, and the anode layer 5 includes an anode in the display area AA and an anode metal trace in the non-display area NA. The anode metal trace is not electrically related to the anode in the display area AA, but the anode metal trace may be formed of the same metal layer as the anode in the display area AA.
As shown in fig. 4, the anode metal traces may include a via trace 2, the via trace 2 is electrically connected to the cathode signal trace 1 by overlapping or direct contact, and the via trace 2 is electrically connected to the cathode layer 4 by overlapping or direct contact in the second overlapping area 20. Referring to fig. 2 in combination, including but not limited to ground, the plurality of communication lines 2 are respectively formed by anode metal lines extending to corners of the display area AA, one end of each communication line 2 is lapped on the cathode signal line 1 to form electrical connection, and the other end of each communication line 2 is lapped with the cathode layer 4 on the outer edge of the display area AA to form electrical connection.
As shown in fig. 5, the anode metal trace may include a first overlapping wire 51, and the cathode layer 4 is electrically connected to the cathode signal trace 1 in the first overlapping region 10 through the first overlapping wire 51. In other words, the cathode signal trace 1 may be lapped to the cathode layer 4 by the anode metal trace.
The OLED display panel 100 may have a plurality of metal layers for transmitting signals. Typically, 4 to 6 metal layers may be provided within the display panel as desired. The wiring layer of the interconnection trace 2 may be disposed on one of the metal layers without interfering with the touch signal contacts and the touch signal traces in the touch area 30.
In an embodiment, the OLED display panel further includes a first signal transmission layer, please refer to fig. 2, the first signal transmission layer includes a touch signal trace 31 located in the touch area 30, and the touch signal trace 31 is electrically connected to the touch signal contact 3 for transmitting the touch signal. In order to electrically connect the touch electrode on the package cover plate to the signal line on the display substrate, the lap joint electrode in the package cover plate needs to be lapped with the touch signal contact 3 at the corresponding position of the display substrate. The touch signal traces 31 for transmitting the touch signal can be disposed on different metal layers from the touch signal contacts 3 according to the actual wiring situation.
Optionally, the OLED display panel may further include a second signal transmission layer, where the second signal transmission layer includes a communication trace 2 located in the non-display area NA, and the communication trace 2 bypasses the touch signal contact 3 and is not electrically connected to the touch signal trace 31 when passing through the touch area 30. In other words, the communicating trace 2 and the touch signal contact 3 may be disposed on the same metal layer, but they are spaced apart from each other and are not electrically contacted after being patterned; the communication trace 2 and the touch signal trace 31 may be disposed on different metal layers, and even if the touch signal trace 31 and the communication trace 2 intersect in the extending direction, they are also insulated from each other.
Optionally, the cathode signal trace 1 located in the non-display area NA is disposed on the first signal transmission layer or the second signal transmission layer. That is, in different embodiments, the cathode signal trace 1 and the touch signal trace 31 may be disposed on the same signal transmission layer, and the cathode signal trace 1 and the communication trace 2 may also be disposed on the same signal transmission layer; or, the cathode signal trace 1 may be disposed on another signal transmission layer different from the touch signal trace 31 and the communication trace 2; the invention is not limited thereto. It should be noted that, if the different traces formed by the same signal transmission layer (or called conductive layer) are not required to be electrically connected, the traces need to be insulated from each other and spaced apart from each other.
Referring to fig. 6, fig. 6 is a schematic diagram of a via routing according to an embodiment of the invention. Optionally, the interconnection trace 2 may be formed with a micro-hole 21. In practical applications, the dielectric layer will often be formed of an organic material capable of trapping moisture, which may leak into the display area and may damage the display panel pixels if the communication traces 2 are formed continuously over the dielectric layer. In some embodiments, to ensure that any moisture trapped within the dielectric layer can evaporate, micro-holes 21 may be opened in communication trace 2. The number, shape and size of the micropores can be designed according to the needs, and the invention is not limited thereto.
Referring to fig. 7, fig. 7 is a schematic view of a touch display screen according to an embodiment of the invention. The touch display screen may include a cover plate and the OLED display panel according to any of the above embodiments, wherein the cover plate is provided with a touch unit, and the touch unit is electrically connected to the touch signal contact of the OLED display panel.
In some embodiments, the touch display screen may include a cover plate 200 and the OLED display panel 100, the cover plate 200 is provided with a touch unit 201, and the touch unit 201 is electrically connected to the touch signal contact 3 of the OLED display panel 100. The OLED display panel 100 may include a substrate base plate 101, a signal transmission layer 102, and a light emitting layer 103. The base substrate 101 may be made of glass, flexible polymer, or the like. The signal transmission layer 102 may include a TFT array circuit and some signal traces. The light emitting layer 103 may include a pixel unit composed of an anode, an organic light emitting material and a cathode, and some signal traces.
Electrical signals in the display panel may have undesirable signal voltage differences due to differences in the length of the conductive paths carrying the signals, which may prevent the display panel from operating well. Especially, as the wiring space of the display panel is more and more limited, the arrangement of the signal transmission traces is more and more challenging. According to the OLED display panel and the touch display screen, the cathode signal routing close to the frame is routed through the anode metal layer or other metal layers, penetrates through the gap between the touch signal contacts in the contact area, is connected to the edge of the display area, and is then overlapped to the cathode layer, so that the winding area at the edge of the display area is also changed into a direct connection area, the transmission signal difference caused by different conductive paths is reduced, and the overall display effect of the touch display panel with a narrow frame can be improved.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. Furthermore, the technical features mentioned in the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that the invention be covered by the appended claims without departing from the spirit and scope of the invention.
Claims (10)
1. An OLED display panel having a display area and a non-display area surrounding the display area; the touch screen is characterized in that the non-display area comprises a first lap joint area, a second lap joint area and a contact area, the first lap joint area is arranged adjacent to the side edge of the display area, the second lap joint area is arranged adjacent to the corner of the display area, and the contact area is arranged at the corner of the non-display area and is used for arranging a touch signal contact; the OLED display panel includes:
the cathode signal routing is arranged in the non-display area, the cathode signal routing extends along the outer side edge of the non-display area, and the contact area is positioned between the cathode signal routing and the second lap joint area;
the communication wiring is arranged in the non-display area and bypasses the touch signal contact, extends from the cathode signal wiring to the corner of the display area, and is electrically connected with the cathode signal wiring for transmitting cathode signals;
the cathode layer covers the display area and extends to the first lap joint area and the second lap joint area, the cathode layer is electrically connected with the cathode signal wiring in the first lap joint area, and the cathode layer is electrically connected with the communication wiring in the second lap joint area.
2. The OLED display panel of claim 1, further comprising an anode layer including an anode in the display area and an anode metal trace in the non-display area.
3. The OLED display panel of claim 2, wherein the anode metal traces include the via traces, the via traces are electrically connected to the cathode signal traces by overlapping or direct contact, and the via traces are electrically connected to the cathode layer in the second overlapping region by overlapping or direct contact.
4. The OLED display panel of claim 2, wherein the anode metal trace includes a first strap, the cathode layer being electrically connected to the cathode signal trace within the first strap region by the first strap.
5. The OLED display panel claimed in claim 1, further comprising a first signal transmission layer, wherein the first signal transmission layer includes a touch signal trace located in the contact area, and the touch signal trace is electrically connected to the touch signal contact for transmitting a touch signal.
6. The OLED display panel of claim 5, further comprising a second signal transmission layer including the communication trace in the non-display area, the communication trace bypassing the touch signal contact when passing through the contact area and not electrically connected to the touch signal trace.
7. The OLED display panel of claim 6, wherein the cathode signal traces in the non-display area are disposed on the first signal transmission layer or the second signal transmission layer.
8. The OLED display panel of claim 1, wherein the communication traces are bar traces or grid traces that bypass the touch signal contacts.
9. The OLED display panel of claim 1, wherein the routing lines are perforated with micro holes.
10. A touch display screen, comprising a cover plate and the OLED display panel of any one of claims 1-9, wherein the cover plate is provided with a touch unit electrically connected to the touch signal contact of the OLED display panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011245035.3A CN112382646B (en) | 2020-11-10 | 2020-11-10 | OLED display panel and touch display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245035.3A CN112382646B (en) | 2020-11-10 | 2020-11-10 | OLED display panel and touch display screen |
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| CN112382646A CN112382646A (en) | 2021-02-19 |
| CN112382646B true CN112382646B (en) | 2022-07-15 |
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| CN114784204A (en) * | 2022-04-11 | 2022-07-22 | 深圳市华星光电半导体显示技术有限公司 | OLED display panel and OLED display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742128A (en) * | 2019-01-28 | 2019-05-10 | 昆山国显光电有限公司 | Display and its display panel |
| CN111524956A (en) * | 2020-05-09 | 2020-08-11 | 京东方科技集团股份有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742128A (en) * | 2019-01-28 | 2019-05-10 | 昆山国显光电有限公司 | Display and its display panel |
| CN111524956A (en) * | 2020-05-09 | 2020-08-11 | 京东方科技集团股份有限公司 | Display panel and display device |
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