CN113745294A - OLED display panel and OLED display device - Google Patents
OLED display panel and OLED display device Download PDFInfo
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- CN113745294A CN113745294A CN202110997416.5A CN202110997416A CN113745294A CN 113745294 A CN113745294 A CN 113745294A CN 202110997416 A CN202110997416 A CN 202110997416A CN 113745294 A CN113745294 A CN 113745294A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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Abstract
The application provides an OLED display panel and an OLED display device; this OLED display panel binds the terminal through binding the touch-control with show that to bind the terminal and set up respectively in two regions, and the terminal area is bound in the touch-control sets up outside showing that to bind the terminal area, make the touch-control bind the terminal and show that to bind the terminal and do not have the cross, touch-control signal line is bound the terminal connection with the touch-control in the one side that corresponds the terminal area is bound in the touch-control simultaneously, it binds the terminal connection with showing to show that the signal line is in the one side that corresponds to show that to bind the terminal area, make touch-control signal line and show that the signal line does not have the cross, then parasitic capacitance can avoid appearing between touch-control signal line and the display signal line, interference has been avoided appearing between touch-control signal and the display signal.
Description
Technical Field
The application relates to the technical field of display, in particular to an OLED display panel and an OLED display device.
Background
With the development of display technology, in an existing mutual capacitance type on cell (where a touch layer is disposed between a Light Emitting layer and a polarizer) OLED (Organic Light-Emitting Diode) display screen, the touch layer is disposed on a packaging layer to reduce the thickness of a display panel. The Oncell display device is characterized in that the touch electrode is arranged on the packaging layer, the metal wiring connected with the touch electrode extends downwards to the signal terminals on two sides of the binding area through two sides, then the signal terminals are connected with the touch chip to achieve a touch function, and the driving circuit is connected with the driving chip to achieve a driving function, so that touch and driving functions of the display panel are achieved. However, the emitting signal line and the receiving signal line of the touch layer are connected to the signal terminals on the lower side of the display panel through two sides, and the display signal line is arranged between the emitting signal line and the receiving signal line, so that parasitic capacitance exists between the touch signal line and the display signal line, interference is generated between the touch signal and the display signal, and the display effect and the touch effect are affected.
Therefore, the conventional Oncell display device has the technical problem that the touch signal and the display signal are mutually interfered due to the parasitic capacitance between the touch signal line and the display signal line.
Disclosure of Invention
The embodiment of the application provides an OLED display panel and an OLED display device, which are used for solving the technical problem that a touch signal and a display signal are mutually interfered due to the fact that a parasitic capacitor exists between the touch signal line and the display signal line in the existing Oncell display device.
The embodiment of the present application provides an OLED display panel, which includes:
a substrate;
the driving circuit layer is arranged on one side of the substrate and comprises a display signal line;
the touch layer is arranged on one side, away from the substrate, of the driving circuit layer and comprises a touch signal line;
wherein, OLED display panel still includes touch-control binding terminal district and shows binding terminal district, touch-control binding terminal district is equipped with the touch-control and binds the terminal, it is equipped with the demonstration binding terminal district to show binding terminal district, the touch-control signal line is corresponding one side in touch-control binding terminal district with the terminal connection is bound to the touch-control, it is corresponding to show the signal line one side in binding terminal district with the terminal connection is bound in the demonstration, touch-control binding terminal district set up in show binding terminal district is outer.
In some embodiments, the touch-sensing binding terminal area is disposed at one side of the display binding terminal area, the touch-sensing signal line is connected to the touch-sensing binding terminal at one side of the corresponding touch-sensing binding terminal area, the display signal line is connected to the display binding terminal at the other side of the corresponding touch-sensing binding terminal area, and the touch-sensing binding terminal and the display binding terminal are insulated from each other.
In some embodiments, the touch binding terminal area is disposed at a left side of the display binding terminal area, or the touch binding terminal area is disposed at a right side of the display binding terminal area.
In some embodiments, the touch layer comprises:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent transmitting electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the receiving signal line is connected with the receiving binding terminal from one side of the display area, and the transmitting signal line is connected with the transmitting binding terminal from the lower side of the display area.
In some embodiments, the transmission binding terminal and the reception binding terminal are disposed in the same row, and the reception binding terminal is disposed on a side of the transmission binding terminal away from the display binding terminal area.
In some embodiments, the transmission binding terminals and the reception binding terminals are disposed in two rows, and the reception binding terminals are disposed on a side of the transmission binding terminals away from the display binding terminal area.
In some embodiments, the touch layer comprises:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent receiving electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the transmitting signal line is connected with the transmitting binding terminal from one side of the display area, and the receiving signal line is connected with the receiving binding terminal from the lower side of the display area.
In some embodiments, the touch binding terminal regions are disposed between the display binding terminal regions, the touch signal lines are disposed between the display signal lines, and the display signal lines are connected to the display binding terminals at both sides of the display region.
Meanwhile, an embodiment of the present application provides an OLED display device, including:
the OLED display panel comprises a substrate, a driving circuit layer and a touch layer, wherein the driving circuit layer is arranged on one side of the substrate, the driving circuit layer comprises a display signal line, the touch layer is arranged on one side, far away from the substrate, of the driving circuit layer, the touch layer comprises a touch signal line, the OLED display panel further comprises a touch binding terminal area and a display binding terminal area, the touch binding terminal area is provided with a touch binding terminal, the display binding terminal area is provided with a display binding terminal, the touch signal line is connected with the touch binding terminal area on one side corresponding to the touch binding terminal area, the display signal line is connected with the display binding terminal area on one side corresponding to the display binding terminal area, and the touch binding terminal area is arranged outside the display binding terminal area;
the touch driving chip comprises a touch connecting terminal and a display connecting terminal;
the touch control connecting terminal is connected with the touch control binding terminal, and the display connecting terminal is connected with the display binding terminal.
In some embodiments, the touch connection terminal and the touch binding terminal correspond to a binding setting, and the display connection terminal and the display binding terminal correspond to a binding setting.
In some embodiments, the OLED display device further includes a flexible circuit board, the touch-control binding terminal is connected to the flexible circuit board, and the flexible circuit board is connected to the touch-control connection terminal.
In some embodiments, the flexible circuit board includes a conversion terminal and a conversion trace, the touch binding terminal is bound with the conversion terminal, one end of the conversion trace is connected with the conversion terminal, and the other end of the conversion trace is connected with the touch connection terminal.
In some embodiments, the touch signal lines include a first signal line and a second signal line, the first signal line is connected to the touch binding terminal, the flexible circuit board includes a conversion terminal and a conversion trace, the touch binding terminal is bound to the conversion terminal, one end of the conversion trace is connected to the conversion terminal, the other end of the conversion trace is connected to the second signal line, and the other end of the second signal line is connected to the touch connection terminal.
Has the advantages that: the application provides an OLED display panel and an OLED display device; this OLED display panel includes the substrate, drive circuit layer and touch-control layer, the drive circuit layer sets up in substrate one side, the drive circuit layer is including showing the signal line, the touch-control layer sets up in the one side that the substrate was kept away from on the drive circuit layer, the touch-control layer includes the touch-control signal line, wherein, OLED display panel still includes touch-control binding terminal area and shows binding terminal area, touch-control binding terminal area is equipped with the touch-control and binds the terminal, it is equipped with the display binding terminal to show binding terminal area, the touch-control signal line is bound the terminal connection with the touch-control in the one side that corresponds touch-control binding terminal area, it binds the terminal connection with the display to show the signal line in the one side that corresponds display binding terminal area, touch-control binding terminal area sets up outside showing binding terminal area. This application is through binding the terminal with the touch-control and showing that to bind the terminal and set up respectively in two regions, and the terminal area is bound in the touch-control sets up outside showing that to bind the terminal area, make the touch-control bind the terminal and show that to bind the terminal and do not have the cross, touch-control signal line is bound the terminal with the touch-control in the one side that corresponds the terminal area of touch-control binding simultaneously and is connected, it binds the terminal with showing to show that the signal line is in the one side that corresponds the terminal area of showing that to bind, make touch-control signal line and show that the signal line does not have the cross, then parasitic capacitance can avoid appearing between touch-control signal line and the display signal line, interference has appeared between touch-control signal and the display signal.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic view of a conventional OLED display device.
Fig. 2 is a first schematic view of an OLED display panel according to an embodiment of the present disclosure.
Fig. 3 is a second schematic view of an OLED display panel according to an embodiment of the present disclosure.
Fig. 4 is a third schematic view of an OLED display panel according to an embodiment of the present disclosure.
Fig. 5 is a fourth schematic view of an OLED display panel according to an embodiment of the present application.
Fig. 6 is a fifth schematic view of an OLED display panel according to an embodiment of the present disclosure.
Fig. 7 is a sixth schematic view of an OLED display panel according to an embodiment of the present disclosure.
Fig. 8 is a schematic view of an OLED display device according to an embodiment of the present application.
Fig. 9 is a first schematic diagram of a light-emitting pixel according to an embodiment of the present disclosure.
Fig. 10 is a second schematic diagram of a light-emitting pixel according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, in the conventional on cell display device, the touch electrode includes a receiving electrode 102 and a transmitting electrode 101, which are horizontally and continuously disposed, and the transmitting electrode 101 is connected through another layer of conductive bridge 103, in order to implement the touch function of the touch layer, the receiving electrode 102 is connected through a first metal trace 104, the transmitting electrode 101 is connected through a second metal trace 105, and the first metal trace 104 is connected to the bonding area of the display device through two sides of the display area, so that the touch function can be implemented by connecting the bonding terminals through the touch chip. As can be seen from fig. 1, the touch signal lines connected to the touch electrodes are connected to the bonding area through two sides of the display panel, and the traces (e.g., data lines and scan lines) in the thin film transistors are also connected to the driving chip through the non-display areas on two sides of the display panel, so that the display signal lines and the touch signal lines of the driving circuit layer are crossed, and during displaying and touch, parasitic capacitance is formed between the display signal lines and the touch signal lines, thereby causing interference between the touch signals and the display signals, and affecting the display effect and the touch effect. Therefore, the conventional Oncell display device has the technical problem that the touch signal and the display signal are mutually interfered due to the parasitic capacitance between the touch signal line and the display signal line.
In order to solve the above technical problems, embodiments of the present application provide an OLED display panel and an OLED display device to alleviate the above technical problems.
As shown in fig. 2, 3, and 4, an embodiment of the present application provides an OLED display panel, including:
a substrate 21;
a driving circuit layer 22 disposed on one side of the substrate 21, the driving circuit layer 22 including a display signal line 411;
the touch layer 25 is arranged on one side, away from the substrate 21, of the driving circuit layer 22, and the touch layer 25 comprises touch signal lines 301;
wherein, OLED display panel still includes touch-control binding terminal area 302 and shows binding terminal area 303, touch-control binding terminal area 302 is equipped with touch-control binding terminal 311, it is equipped with the demonstration binding terminal area 303 and binds terminal 312 to show binding terminal area, touch-control signal line 301 is corresponding one side of touch-control binding terminal area 302 with terminal 311 is bound in the touch-control is connected, show signal line 411 is corresponding one side of showing binding terminal area 303 with terminal 312 is bound in the demonstration and is connected, touch-control binding terminal area 302 set up in show binding terminal area 303 is outer.
The embodiment of the application provides an OLED display panel, this OLED display panel binds the terminal through with the touch-control and shows that to bind the terminal and set up respectively in two regions, and the terminal district is bound in the touch-control setting outside showing that to bind the terminal district, make the touch-control bind the terminal and show that to bind the terminal and do not have the cross, touch-control signal line is bound the terminal and is connected with the touch-control in the one side that corresponds the terminal district of touch-control binding simultaneously, it binds the terminal connection with showing to show that the signal line is in the one side that corresponds the terminal district of showing that to bind, make touch-control signal line and show that the signal line does not have the cross, then parasitic capacitance can avoid appearing between touch-control signal line and the display signal line, interference has appeared between touch-control signal and the display signal.
Note that, since the touch layer and the driving circuit layer are overlapped in the vertical direction, fig. 3 and 4 respectively show a connection manner of the touch signal line 301 and the touch binding terminal 311, and a connection manner of the display signal line 411 and the display binding terminal 312.
It should be noted that the display signal lines include signal lines for connecting data lines, scan lines, clock signal lines, and other display function-implementing lines, and for convenience of explaining a connection manner of the display signal lines, fig. 4 shows a connection portion between each display function-implementing line and a display signal by using an output terminal 412 (fig. 4 only shows a portion of the output terminal 412 connected to the display signal line 411).
In one embodiment, as shown in fig. 3 and 4, the touch binding terminal area 302 is disposed on one side of the display binding terminal area 303, the touch signal line 301 is connected to the touch binding terminal 311 on one side corresponding to the touch binding terminal area 302, the display signal line 411 is connected to the display binding terminal 312 on the other side corresponding to the touch binding terminal area 302, and the touch binding terminal 311 is disposed in an insulated manner from the display binding terminal 312. The touch binding terminal area is arranged on one side of the display binding terminal area, so that the touch signal line can be connected to the touch binding terminal from one side, and the display signal line can be connected to the display binding terminal from the other side, and parasitic capacitance caused by overlapping between the touch signal line and the display signal line is avoided.
Specifically, the touch-control binding terminal area set up in show binding terminal area left side, perhaps the touch-control binding terminal area set up in show binding terminal area's right side. As shown in fig. 3 and 4, the touch binding terminal area 302 is disposed at the left side of the display binding terminal area 303, and accordingly, the touch signal lines are connected to the touch binding terminals from the left side of the OLED display panel and the display signal lines are connected to the display binding terminals from the right side of the OLED display panel; as shown in fig. 5, the touch binding terminal area 302 is disposed at the right side of the display binding terminal area 303, and accordingly, the touch signal lines are connected to the touch binding terminals from the right side of the OLED display panel and the display signal lines are connected to the display binding terminals from the left side of the OLED display panel.
When the transmitting signal line and the receiving signal line are connected to the middle area of the binding area, the problem that parasitic capacitance is generated when the transmitting signal line and the receiving signal line are crossed with the display signal line exists. In one embodiment, as shown in fig. 2 and 3, the touch layer 25 includes:
the touch metal layer 254 comprises a transmitting electrode 254a and a receiving electrode 254b which are arranged in the display area 304, and a touch signal line 301 which is arranged in the non-display area, wherein the touch signal line 301 comprises a transmitting signal line 301a and a receiving signal line 301b, the transmitting electrode 254a is connected with the transmitting signal line 301a, and the receiving electrode 254b is connected with the receiving signal line 301 b;
a touch insulating layer 253 disposed on one side of the touch metal layer 254;
the conductive bridge 252 is disposed on one side of the touch insulating layer 253, which is far away from the touch metal layer 254, and the conductive bridge 252 connects the adjacent emitting electrodes 254 a;
the touch-sensing binding terminal 311 includes a transmitting binding terminal 311a and a receiving binding terminal 311b, the receiving signal line 301b is connected to the receiving binding terminal 311b from one side of the display region 304, and the transmitting signal line 301a is connected to the transmitting binding terminal 311a from the lower side of the display region 304.
Specifically, taking fig. 3 as an example, the receiving signal line 301b is connected to the receiving binding terminal 311b from the left side of the display area 304 downward, the transmitting signal line 301a is connected to the transmitting binding terminal 311a from the lower side of the display area 304, because the receiving binding terminal and the transmitting binding terminal are both disposed in the touch binding terminal area, when the transmitting signal line cannot be directly connected to the transmitting binding terminal downward, the transmitting signal line is connected to the transmitting binding terminal by bending the transmitting signal line, and the displaying binding terminal is disposed on the right side of the touch binding terminal area, when the displaying signal line is connected to the displaying binding terminal from the right side of the display area, the displaying signal line is connected to the displaying binding terminal only from the right side, and does not intersect with the receiving signal line and the transmitting signal line, thereby avoiding the problem of parasitic capacitance caused by the intersection of the displaying signal line with the transmitting signal line and the receiving signal line.
In one embodiment, as shown in fig. 3, the transmitting binding terminal 311a and the receiving binding terminal 311b are disposed in the same row, and the receiving binding terminal 311b is disposed on a side of the transmitting binding terminal 311a away from the displaying binding terminal 312. Bind the terminal through will launching and bind the terminal setting at same line with the receipt for transmission signal line and receipt signal line bind the terminal with the transmission respectively and receive when binding the terminal and be connected, can be directly connected to the transmission and bind the terminal and receive and bind on the terminal, shorten the length of transmission signal line and receipt signal line, thereby reduce the attenuation degree of signal of telecommunication, and bind the terminal setting with the receipt and bind the terminal in the transmission and keep away from the one side that shows and bind the terminal, except shortening the length of transmission signal line and receipt signal line, can also avoid transmission signal line and receipt signal line to appear alternately problem.
The technical problem that the length of a binding area is large due to the fact that the transmitting binding terminal and the receiving binding terminal are arranged in the same row is solved. As shown in fig. 6, in one embodiment, the transmission binding terminal 311a and the reception binding terminal 311b are disposed in two rows, and the reception binding terminal 311b is disposed on a side of the transmission binding terminal 311a away from the display binding terminal area 303. The terminals are bound through transmitting and the terminals are bound through receiving, so that the length of a binding area of the OLED display panel is smaller, and frames on two sides of the OLED display panel are prevented from being too large.
Specifically, when the touch binding terminal area is arranged on the left side of the display binding terminal area, the transmitting binding terminals and the receiving binding terminals can be arranged in two rows, and at the moment, the receiving binding terminals are arranged on the left side of the transmitting binding terminals; when terminal area setting is being binded in the right side that shows binding terminal area in the touch-control, the terminal can set up at two lines with the receiving binding terminal, and at this moment, the receiving binding terminal sets up the right side at the terminal is bound in the transmission.
Specifically, when transmitting electrode passes through the conductive bridge and connects, transmitting electrode's electrical signal transmission direction is vertical direction, and receiving electrode's electrical signal transmission direction is the horizontal direction, makes the transmission bind the terminal setting and be close to the one side that shows binding terminal district, avoids walking the line and appears alternately.
In one embodiment, a touch layer includes:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent receiving electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the transmitting signal line is connected with the transmitting binding terminal from one side of the display area, and the receiving signal line is connected with the receiving binding terminal from the lower side of the display area.
Specifically, when the receiving electrodes are connected through the conductive bridge, the transmitting signal line is connected with the transmitting binding terminal from one side of the display area, and the receiving signal line is connected with the receiving binding terminal from the lower side of the display area, so that the touch signal line can be arranged on one side of the touch binding terminal area, and the phenomenon that the display effect and the touch effect are influenced due to the fact that the touch signal line and the display signal line are crossed to generate parasitic capacitance is avoided.
The above embodiments have explained the setting manner of the transmitting binding terminal and the receiving binding segment when the conductive bridge connects the adjacent transmitting electrodes, and when the conductive bridge connects the adjacent receiving electrodes, the setting manner of the transmitting binding terminal and the receiving binding terminal can be correspondingly determined, for example, the transmitting binding terminal and the receiving binding terminal are arranged in the same row, the receiving binding terminal is arranged at a side close to the display binding terminal area, and the transmitting binding terminal, the receiving binding terminal, the transmitting signal line and the receiving signal line can be correspondingly set, which is not described herein again.
In one embodiment, the touch binding terminal regions are disposed between the display binding terminal regions, the touch signal lines are disposed between the display signal lines, and the display signal lines are connected to the display binding terminals at both sides of the display region. The touch control binding terminal area is arranged between the display binding terminal areas, so that the touch control signal lines are arranged between the display signal lines, the touch control signal lines can be downwards connected to the touch control binding terminals, the display signal lines are connected to the display binding terminals through two sides, the touch control signal lines and the display signal lines are not crossed, and parasitic capacitance between the touch control signal lines and the display signal lines is avoided.
Specifically, as shown in fig. 7, the display binding terminal area 303 includes a left display binding terminal area 303a and a right display binding terminal area 303b, the touch binding terminal area 302 is disposed between the left display binding terminal area 303a and the right display binding terminal area 303b, the corresponding touch signal line can be directly connected to the touch binding terminal downwards, and the display signal line can be connected to the display binding terminal area from both sides, so that the occurrence of parasitic capacitance between the touch signal line and the display signal line can be avoided.
Specifically, as shown in fig. 7, the receiving binding terminal 311b is disposed on the left side of the transmitting binding terminal 311a, but the embodiment of the present application is not limited thereto, and the receiving binding terminal may be disposed on the right side of the transmitting binding terminal.
Specifically, in fig. 7, the reception binding terminal 311b and the transmission binding terminal 311a are disposed in the same row, but the embodiment of the present application is not limited thereto, and the reception binding terminal and the transmission binding terminal may be disposed in two rows.
In one embodiment, as shown in fig. 2, the substrate 21 includes a protective layer 211, a polyimide layer 212, a barrier layer 213, and a buffer layer 214.
In one embodiment, as shown in fig. 2, the driving circuit layer 22 includes an active layer 221, a gate insulating layer 222, a gate layer 223, a laminate insulating layer 224, a source drain layer 225, and a planarization layer 226, but the embodiment is not limited thereto, the driving circuit layer may include at least one of a bottom-gate thin film transistor and a top-gate thin film transistor, the driving circuit layer may include a thin film transistor of a double-gate structure, the driving circuit layer may include a first metal layer and a second metal layer, the first metal layer forms a gate, and the second metal layer forms a capacitor plate.
In one embodiment, as shown in fig. 2, the OLED display panel further includes a light emitting function layer 23, and the light emitting function layer 23 includes a pixel electrode layer 231, a pixel defining layer 232, a light emitting material layer 233, and a common electrode layer 234.
In one embodiment, as shown in FIG. 2, the OLED display panel further includes an encapsulation layer 24 that includes a first inorganic layer, an organic layer, and a second inorganic layer.
In one embodiment, the touch layer 25 further includes a touch buffer layer 251 and a touch blocking layer 255.
As shown in fig. 2, 4, and 8, an embodiment of the present application provides an OLED display device, including:
an OLED display panel including a substrate 21, a driving circuit layer 22, and a touch layer 25, the driving circuit layer 22 is disposed on one side of the substrate 21, the driving circuit layer 22 includes a display signal line 411, the touch layer 25 is disposed on a side of the driving circuit layer 22 away from the substrate 21, the touch layer 25 includes a touch signal line 301, wherein the OLED display panel further comprises a touch binding terminal area 302 and a display binding terminal area 303, the touch binding terminal area 302 is provided with a touch binding terminal 311, the display binding terminal area 303 is provided with a display binding terminal 312, the touch signal line 301 is connected to the touch binding terminal 311 at a side corresponding to the touch binding terminal area 302, the display signal line 411 is connected to the display binding terminal 312 at a side corresponding to the display binding terminal area 303, and the touch binding terminal area 302 is disposed outside the display binding terminal area 303;
a touch driving chip 81 including a touch connection terminal 811 and a display connection terminal (not shown in fig. 8);
the touch connection terminal 811 is connected to the touch binding terminal 311, and the display connection terminal is connected to the display binding terminal 312.
The embodiment of the application provides an OLED display device, which is characterized in that a touch binding terminal and a display binding terminal are respectively arranged in two areas, and the touch binding terminal area is arranged outside the display binding terminal area, so that the touch binding terminal and the display binding terminal do not intersect, a touch signal line is connected with the touch binding terminal at one side corresponding to the touch binding terminal area, a display signal line is connected with the display binding terminal at one side corresponding to the display binding terminal area, so that the touch signal line and the display signal line do not intersect, parasitic capacitance between the touch signal line and the display signal line can be avoided, interference between the touch signal and the display signal is avoided, a touch chip and a driving chip are integrated into a touch driving chip, the touch of the connecting terminal is bound with the touch terminal, and the display connecting terminal is connected with the display binding terminal, therefore, the display function and the touch function of the OLED display panel are realized.
In an embodiment, the touch connection terminal and the touch binding terminal are correspondingly bound, and the display connection terminal and the display binding terminal are correspondingly bound, that is, when the touch driver chip is set, the touch driver chip can be directly bound to the touch binding terminal and the display binding terminal, so that the display function and the touch function of the touch driver chip on the OLED display panel are realized.
The touch binding terminal is directly connected with the touch connecting terminal, so that the touch binding terminal is inconvenient to test. In one embodiment, the OLED display device further includes a flexible circuit board, the touch binding terminal is connected to the flexible circuit board, and the flexible circuit board is connected to the touch connection terminal. The touch binding terminal is connected with the flexible circuit board, then the flexible circuit board is connected with the touch connecting terminal, connection of the touch binding terminal and the touch connecting terminal is achieved, and due to the fact that the touch binding terminal is connected to the flexible circuit board, the touch binding terminal can be tested through the flexible circuit board, and testing difficulty of a touch layer is reduced.
Specifically, as shown in fig. 8, the flexible circuit board 82 includes a conversion terminal 821 and a conversion trace 822, the touch binding terminal 311 is bound to the conversion terminal 821, one end of the conversion trace 822 is connected to the conversion terminal 821, and the other end of the conversion trace 822 is connected to the touch connection terminal 811.
It should be noted that, in order to show the conversion terminal and the touch binding terminal in fig. 8, the touch binding terminal and the conversion terminal are connected by a wire, but in an actual setting mode, the connection can be realized by binding the conversion terminal and the touch binding terminal, and when the conversion wire is set, the conversion wire can be extended to the OLED display panel to realize the connection between the touch binding terminal and the touch connecting terminal, and when the touch layer is tested, the touch layer can be tested by the conversion terminal, so that the testing difficulty is reduced.
In one embodiment, the touch signal lines include a first signal line and a second signal line, the first signal line is connected to the touch binding terminals, the flexible circuit board includes conversion terminals and conversion traces, the touch binding terminals are bound to the conversion terminals, one end of the conversion traces is connected to the conversion terminals, the other end of the conversion terminals is connected to the second signal line, and the other end of the second signal line is connected to the touch connection terminals. When the touch binding terminal and the touch connecting terminal are connected through the flexible circuit board, the touch electrode and the touch binding terminal are connected through the first signal line, meanwhile, a second signal line is formed on the OLED display panel, after the touch binding terminal is bound with the conversion terminal, one end of the conversion wiring in the flexible circuit board is connected with the conversion terminal, the other end of the conversion wiring in the flexible circuit board is connected to the second signal line at the junction of the flexible circuit board and the OLED display panel, and the other end of the second signal line is connected to the touch connecting terminal, so that the touch binding terminal and the touch connecting terminal are connected.
In one embodiment, the flexible circuit board includes a conversion terminal and a conversion trace, the touch binding terminal is bound with the conversion terminal, one end of the conversion trace is connected with the conversion terminal, the other end of the conversion trace is connected with the touch signal line, and the touch connection terminal is bound with the touch binding terminal. After the touch binding terminal is connected to the conversion terminal, the conversion terminal is connected back to the touch signal line, and the touch binding terminal is bound with the touch connecting terminal, so that the area occupied by the terminal and the wiring is reduced.
In one embodiment, as shown in fig. 9, when the light emitting pixels are quadrilateral, for example, the blue light emitting pixel 911, the red light emitting pixel 912 and the green light emitting pixel 913 are quadrilateral in fig. 9, the corresponding touch layers may be arranged in a straight line manner. However, the embodiment of the application is not limited thereto, and as shown in fig. 10, when the light emitting pixels have an elliptical or other curved arc structure, for example, the blue light emitting pixel 911, the red light emitting pixel 912, and the green light emitting pixel 913 in fig. 10 have curved arcs, and the corresponding touch layers may be arranged in a curved manner.
In one embodiment, in the OLED display device, the touch binding terminal area is disposed on one side of the display binding terminal area, the touch signal line is connected to the touch binding terminal area on one side of the corresponding touch binding terminal area, the display signal line is connected to the display binding terminal area on the other side of the corresponding touch binding terminal area, and the touch binding terminal and the display binding terminal are insulated from each other.
In one embodiment, in the OLED display device, the touch binding terminal area is disposed at a left side of the display binding terminal area, or the touch binding terminal area is disposed at a right side of the display binding terminal area.
In one embodiment, in an OLED display device, the touch layer includes:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent transmitting electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the receiving signal line is connected with the receiving binding terminal from one side of the display area, and the transmitting signal line is connected with the transmitting binding terminal from the lower side of the display area.
In one embodiment, in the OLED display device, the emission binding terminal and the reception binding terminal are disposed in the same row, and the reception binding terminal is disposed at a side of the emission binding terminal away from the display binding terminal area.
In one embodiment, in the OLED display device, the emission binding terminals and the reception binding terminals are disposed in two rows, and the reception binding terminals are disposed at a side of the emission binding terminals away from the display binding terminal area.
In one embodiment, in an OLED display device, the touch layer includes:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent receiving electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the transmitting signal line is connected with the transmitting binding terminal from one side of the display area, and the receiving signal line is connected with the receiving binding terminal from the lower side of the display area.
In one embodiment, in the OLED display device, the touch binding terminal regions are disposed between the display binding terminal regions, the touch signal lines are disposed between the display signal lines, and the display signal lines are connected to the display binding terminals on both sides of the display region.
According to the above embodiment:
the embodiment of the application provides an OLED display panel and OLED display device, this OLED display panel includes the substrate, drive circuit layer and touch-control layer, the drive circuit layer sets up in substrate one side, the drive circuit layer is including showing the signal line, the touch-control layer sets up in the one side that the substrate was kept away from on the drive circuit layer, the touch-control layer includes the touch-control signal line, wherein, OLED display panel still includes touch-control binding terminal area and shows binding terminal area, touch-control binding terminal area is equipped with touch-control binding terminal, it is equipped with the display binding terminal to show binding terminal area, the touch-control signal line is bound the terminal connection with the touch-control in the one side that corresponds touch-control binding terminal area, it binds the terminal connection with the display to show the signal line in the one side that corresponds to show binding terminal area, touch-control binding terminal area sets up outside showing binding terminal area. This application is through binding the terminal with the touch-control and showing that to bind the terminal and set up respectively in two regions, and the terminal area is bound in the touch-control sets up outside showing that to bind the terminal area, make the touch-control bind the terminal and show that to bind the terminal and do not have the cross, touch-control signal line is bound the terminal with the touch-control in the one side that corresponds the terminal area of touch-control binding simultaneously and is connected, it binds the terminal with showing to show that the signal line is in the one side that corresponds the terminal area of showing that to bind, make touch-control signal line and show that the signal line does not have the cross, then parasitic capacitance can avoid appearing between touch-control signal line and the display signal line, interference has appeared between touch-control signal and the display signal.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The OLED display panel and the OLED display device provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to explain the principles and embodiments of the present application, and the description of the embodiments above is only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (13)
1. An OLED display panel, comprising:
a substrate;
the driving circuit layer is arranged on one side of the substrate and comprises a display signal line;
the touch layer is arranged on one side, away from the substrate, of the driving circuit layer and comprises a touch signal line;
wherein, OLED display panel still includes touch-control binding terminal district and shows binding terminal district, touch-control binding terminal district is equipped with the touch-control and binds the terminal, it is equipped with the demonstration binding terminal district to show binding terminal district, the touch-control signal line is corresponding one side in touch-control binding terminal district with the terminal connection is bound to the touch-control, it is corresponding to show the signal line one side in binding terminal district with the terminal connection is bound in the demonstration, touch-control binding terminal district set up in show binding terminal district is outer.
2. The OLED display panel according to claim 1, wherein the touch-sensing bonding terminal area is disposed at one side of the display bonding terminal area, the touch-sensing signal line is connected to the touch-sensing bonding terminal at one side corresponding to the touch-sensing bonding terminal area, the display signal line is connected to the display bonding terminal at the other side corresponding to the touch-sensing bonding terminal area, and the touch-sensing bonding terminal is insulated from the display bonding terminal.
3. The OLED display panel according to claim 2, wherein the touch-bonding terminal area is disposed at a left side of the display-bonding terminal area, or the touch-bonding terminal area is disposed at a right side of the display-bonding terminal area.
4. The OLED display panel of claim 2, wherein the touch layer comprises:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent transmitting electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the receiving signal line is connected with the receiving binding terminal from one side of the display area, and the transmitting signal line is connected with the transmitting binding terminal from the lower side of the display area.
5. The OLED display panel of claim 4, wherein the emission binding terminals are disposed in a same row as the reception binding terminals, and the reception binding terminals are disposed at a side of the emission binding terminals away from the display binding terminal area.
6. The OLED display panel of claim 4, wherein the emission binding terminals and the reception binding terminals are disposed in two rows, and the reception binding terminals are disposed on a side of the emission binding terminals away from the display binding terminal area.
7. The OLED display panel of claim 2, wherein the touch layer comprises:
the touch control metal layer comprises a transmitting electrode, a receiving electrode and a touch control signal line, wherein the transmitting electrode is arranged in the display area, the receiving electrode is arranged in the non-display area, the touch control signal line comprises a transmitting signal line and a receiving signal line, the transmitting electrode is connected with the transmitting signal line, and the receiving electrode is connected with the receiving signal line;
the touch control insulating layer is arranged on one side of the touch control metal layer;
the conductive bridge is arranged on one side, away from the touch metal layer, of the touch insulating layer and connected with the adjacent receiving electrodes;
the touch binding terminal comprises a transmitting binding terminal and a receiving binding terminal, the transmitting signal line is connected with the transmitting binding terminal from one side of the display area, and the receiving signal line is connected with the receiving binding terminal from the lower side of the display area.
8. The OLED display panel of claim 1, wherein the touch binding terminal regions are disposed between the display binding terminal regions, the touch signal lines are disposed between the display signal lines, and the display signal lines are connected to the display binding terminals at both sides of the display region.
9. An OLED display device, comprising:
the OLED display panel comprises a substrate, a driving circuit layer and a touch layer, wherein the driving circuit layer is arranged on one side of the substrate, the driving circuit layer comprises a display signal line, the touch layer is arranged on one side, far away from the substrate, of the driving circuit layer, the touch layer comprises a touch signal line, the OLED display panel further comprises a touch binding terminal area and a display binding terminal area, the touch binding terminal area is provided with a touch binding terminal, the display binding terminal area is provided with a display binding terminal, the touch signal line is connected with the touch binding terminal area on one side corresponding to the touch binding terminal area, the display signal line is connected with the display binding terminal area on one side corresponding to the display binding terminal area, and the touch binding terminal area is arranged outside the display binding terminal area;
the touch driving chip comprises a touch connecting terminal and a display connecting terminal;
the touch control connecting terminal is connected with the touch control binding terminal, and the display connecting terminal is connected with the display binding terminal.
10. The OLED display device claimed in claim 9, wherein the touch connection terminals are correspondingly bound to the touch binding terminals, and the display connection terminals are correspondingly bound to the display binding terminals.
11. The OLED display device claimed in claim 9, further comprising a flexible circuit board, wherein the touch-binding terminals are connected to the flexible circuit board, and the flexible circuit board is connected to the touch-connecting terminals.
12. The OLED display device claimed in claim 11, wherein the flexible circuit board includes a conversion terminal and a conversion trace, the touch binding terminal is bound with the conversion terminal, one end of the conversion trace is connected with the conversion terminal, and the other end of the conversion trace is connected with the touch connection terminal.
13. The OLED display device claimed in claim 11, wherein the touch signal lines include first signal lines and second signal lines, the first signal lines are connected to the touch binding terminals, the flexible circuit board includes conversion terminals and conversion traces, the touch binding terminals are bound to the conversion terminals, one ends of the conversion traces are connected to the conversion terminals, the other ends of the conversion traces are connected to the second signal lines, and the other ends of the second signal lines are connected to the touch connection terminals.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110997416.5A CN113745294B (en) | 2021-08-27 | 2021-08-27 | OLED display panel and OLED display device |
| US17/602,788 US20240053850A1 (en) | 2021-08-27 | 2021-09-13 | Oled display panel and oled display device |
| PCT/CN2021/117946 WO2023024178A1 (en) | 2021-08-27 | 2021-09-13 | Oled display panel and oled display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110997416.5A CN113745294B (en) | 2021-08-27 | 2021-08-27 | OLED display panel and OLED display device |
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| CN113745294A true CN113745294A (en) | 2021-12-03 |
| CN113745294B CN113745294B (en) | 2022-11-08 |
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| WO (1) | WO2023024178A1 (en) |
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| WO2023024178A1 (en) | 2023-03-02 |
| CN113745294B (en) | 2022-11-08 |
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