WO2021082894A1 - 一种覆晶薄膜绑定结构、显示模组及终端设备 - Google Patents
一种覆晶薄膜绑定结构、显示模组及终端设备 Download PDFInfo
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- 238000000034 method Methods 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 18
- 239000003973 paint Substances 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 101100520142 Caenorhabditis elegans pin-2 gene Proteins 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 101150037009 pin1 gene Proteins 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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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
- H10K59/1315—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
- H01L27/1244—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits for preventing breakage, peeling or short circuiting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10128—Display
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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
- H10K59/1201—Manufacture or treatment
Definitions
- the present disclosure relates to the field of display technology, in particular to a flip chip film binding structure, a display module and a terminal device.
- the current OLED (Organic Light Emitting Diode) display module has a complicated process flow. As people increase the diversity of its functional requirements and reduce its size, the laser cutting, binding, and bonding process requirements of the display module are required. Higher and higher, the precision requirements of each process are getting higher.
- the embodiments of the present disclosure provide a bonding structure of a flip chip film, including:
- a chip on film including a first pin
- a flexible circuit board the flexible circuit board includes a second pin connected to the first pin, and the first pin includes a first end and a second end that are arranged oppositely;
- the first end of the first pin and the third end of the second pin overlap to form a first effective contact area
- the second end of the first pin and the fourth end of the second pin respectively extend from opposite sides of the first effective contact area to form a second end of the first pin A first exposed area and a second exposed area are formed at the fourth end of the second pin.
- the first exposed area has a first length in an extending direction from the first end to the second end;
- the second exposed area has a second length in the extending direction from the first end to the second end;
- the first length and the second length are less than 0.3 mm.
- the first length is 0.05 to 0.20 mm.
- the first length is 0.1 mm.
- the second length is 0.1 to 0.2 mm.
- the second length is 0.1 mm.
- the chip on film includes:
- a metal layer which is disposed on two surfaces of the substrate opposite to each other and connected to the driving IC;
- Paint film which is arranged on the surface of the metal layer away from the base and exposes both ends of the metal layer.
- the exposed two ends are the first pin and the third lead for connecting with the display substrate.
- the third pin includes a fifth end and a sixth end that are arranged oppositely.
- the bonding structure of the flip chip film further includes the display substrate.
- the display substrate includes a fourth pin for connecting with the flip chip film, and the fourth pin includes The seventh end and the eighth end are arranged oppositely.
- the fifth end of the third pin and the seventh end of the fourth pin overlap to form a second effective contact area
- the sixth end of the third pin and the eighth end of the fourth pin respectively extend from opposite sides of the second effective contact area to be at the sixth end of the third pin A third exposed area is formed and a fourth exposed area is formed at the eighth end of the fourth pin.
- the third exposed area has a third length in an extending direction from the fifth end to the sixth end;
- the fourth exposed area has a fourth length in the extending direction from the seventh end to the eighth end;
- the third length and the fourth length are less than 0.3 mm
- the third length is 0.05 to 0.20 mm, optionally 0.1 mm; and/or the fourth length is 0.1 to 0.2 mm, optionally 0.1 mm.
- the embodiment of the present disclosure also provides a display module, including the above-mentioned flip-chip film binding structure.
- the display module is an OLED display module.
- the embodiment of the present disclosure also provides a terminal device, including the above-mentioned display module.
- the embodiment of the present disclosure also provides a method for bonding a chip-on-chip bonding structure.
- the chip-on-chip bonding structure includes: a chip-on-film, the chip-on-film includes a first pin, and the first pin A pin includes a first end and a second end that are opposed to each other; and a flexible circuit board, the flexible circuit board includes a second pin connected to the first pin, and the second pin includes opposed The third end and the fourth end, wherein the method includes:
- a first exposed area is formed at the second end of the first pin and a second exposed area is formed at the fourth end of the second pin.
- the fourth ends of the second pins respectively extend from opposite sides of the first effective contact area.
- the first exposed area has a first length in an extending direction from the first end to the second end;
- the second exposed area has a second length in the extending direction from the third end to the fourth end;
- the first length and the second length are less than 0.3 mm.
- the first length is 0.05 to 0.20 mm, optionally 0.1 mm; and/or the second length is 0.1 to 0.2 mm, optionally 0.1 mm.
- the chip on film includes:
- a metal layer which is disposed on two surfaces of the substrate opposite to each other and connected to the driving IC;
- Paint film which is arranged on the surface of the metal layer away from the base and exposes both ends of the metal layer.
- the exposed two ends are the first pin and the third lead for connecting with the display substrate.
- the third pin includes a fifth end and a sixth end that are arranged oppositely.
- the bonding structure of the chip-on-chip film further includes the display substrate.
- the display substrate includes a fourth pin for connecting with the chip-on-chip film.
- the fourth pin includes a seventh terminal and an eighth terminal arranged oppositely.
- the method further includes:
- a third exposed area is formed at the sixth end of the third pin and a fourth exposed area is formed at the eighth end of the fourth pin.
- the eighth ends of the fourth pins respectively extend from opposite sides of the second effective contact area.
- the third exposed area has a third length in an extending direction from the fifth end to the sixth end;
- the fourth exposed area has a fourth length in the extending direction from the seventh end to the eighth end;
- the third length and the fourth length are less than 0.3 mm.
- the third length is 0.05 to 0.20 mm, optionally 0.1 mm; and/or the fourth length is 0.1 to 0.2 mm, optionally 0.1 mm.
- FIG. 1 shows a schematic structural diagram of a bonding structure of a flip chip film in the related art
- FIG. 2 shows a schematic structural diagram of a bonding structure of a chip on film provided by an embodiment of the present disclosure.
- COF Chip On Film, or, Chip On Flex, flip chip
- the chip-on-chip technology is a technology that bonds the pads on the driver chip with the pins on the flexible circuit board through thermal compression.
- the flexible circuit board includes a base, a metal layer, and a paint film.
- the paint film exposes both ends of the metal layer. A part of the exposed ends is bound to the display substrate, and the other part (COF Pin) is bound to the Pin of the flexible circuit board FPC.
- the current OLED display module COF technology has the problem that the exposed part of the FPC pin is easy to corrode, which causes the display module to produce defects, which affects the module product yield and product life.
- the The length of the first pin is designed to be greater than the length of the first effective contact area.
- the first pin of the chip-on-chip COF is designed to be longer than the length of the first effective contact area.
- the length of the COF Pin (first pin) is lengthened, the first pin and the second pin are guaranteed While the length of the first effective contact area of the pin remains unchanged, the exposed part of the FPC Pin (second pin) can be reduced, so as to meet the process requirements of FPC and COF Bonding, and improve the ease of the exposed part of the FPC pin.
- the problem of corrosion is helpful to reduce display defects, improve reliability, and increase product service life.
- COF pin2 and FPC pin1 need to be in full contact, that is, COF pin2 and FPC pin1 are the first effective
- the contact area needs to have a certain length (A shown in Figure 1 is the first effective contact area). Due to the current binding device positioning and product tolerances, in order to ensure that the first effective contact area A of FPC pin1 and COF pin2 has a certain length. As shown in Figure 1, the length of FPC Pin 1 is longer than the length of COF Pin 2.
- the length of FPC Pin 1 shown in Figure 1 is approximately 0.30 mm longer than the length of COF Pin 2; and FPC pin 1 is longer than COF
- One end of pin 2 is flush, and the other end is exposed, while the COF pin is not exposed at all.
- the exposed part of the FPC Pin 2 will be oxidized and corroded, and even cracks and other defects will occur, which will cause the line to peel off and increase the resistance. This will cause the screen to display abnormally, cause dot defects, bright lines, etc., and local heating problems, which will seriously affect the product yield of the module factory and affect the product life.
- embodiments of the present disclosure provide a flip-chip film bonding structure, a display module, and a terminal device. And a method of bonding the flip chip film bonding structure, while meeting the requirements of the FPC and COF bonding process, it can effectively improve the problem of corrosion of the exposed part of the FPC pin, which is beneficial to reduce display failures, improve reliability, and improve Product life.
- a bonding structure of a flip chip film provided by an embodiment of the present disclosure includes:
- the chip on film COF 10 includes the first pin 100;
- a flexible circuit board FPC 20 the flexible circuit board FPC 20 includes a second pin 200, and the second pin 200 is connected to the first pin 100;
- the first pin 100 includes a first end and a second end disposed oppositely,
- the second pin 200 includes a third end and a fourth end that are arranged oppositely,
- the second end of the first pin 100 and the fourth end of the second pin 200 respectively extend from opposite sides of the first effective contact area A, and the first pin 100 A first exposed area 100 a is formed at the second end, and a second exposed area 200 a is formed at the fourth end of the second pin 200.
- the design length of the first pin 100 of the chip-on-chip COF 10 is greater than the length of the first effective contact area A, which is compared with the aforementioned method in which only the FPC Pin is exposed and the COF Pin is not exposed (that is, the length of the COF Pin is equal to The length of the first effective contact area), the first pin 100 of the chip-on-chip COF 10 is designed to be longer than the length of the first effective contact area A.
- the length of the COF Pin (first pin 100) is lengthened , Then, while ensuring that the length of the first effective contact area A of the first pin 100 and the second pin 200 remains unchanged, the exposed part of the FPC Pin (second pin 200) can be reduced, so that the In addition to the process requirements of FPC and COF Bonding, the problem of easy corrosion of the bare part of the FPC pin is improved, which is conducive to reducing poor display of the display, improving reliability, and improving product life.
- the first exposed area 100a has a first length L1 in the extending direction from the first end to the second end; the second exposed area 200a is There is a second length L2 in the extending direction from the third end to the fourth end; the first length L1 and the second length L2 are less than 0.3 mm.
- the length of FPC Pin 1 is 0.30 mm longer than COF Pin 2 to ensure the effective pin contact area.
- the length of the FPC Pin ie, the second pin 200
- the length of the FPC Pin that exposes the second exposed area 200a outside the first effective contact area A can be less than 0.3 mm.
- the first length L1 is 0.05 to 0.20 mm; optionally, the second length L2 is 0.1 to 0.2 mm.
- the length of the first pin 100 that extends beyond the first effective contact area A can be between 0.05 and 0.20 mm, and the first pin 200 extends beyond the effective contact area A.
- the length can be 0.1 ⁇ 0.2mm.
- the first length L1 is 0.1 mm; the second length L2 is 0.1 mm.
- the lengths of the COF pin and the FPC pin are both 0.1mm longer than the length of the first effective contact area A. Compared with related technologies, it can ensure that the length of the first effective contact area A remains unchanged. , The length of the FPC pin is reduced by 0.2mm, and the COF pin is increased by 0.1mm, which not only meets the process conditions, but also prevents corrosion of the FPC pin, which is beneficial to reduce poor display of the display and increase the service life of the product.
- Table 1 shows the reliability results obtained when the FPC pin length is designed to be 0.3mm longer than the COF pin, compared with the COF 10 bonding structure of the flip chip film shown in FIG. 2 in the above embodiment.
- Adopt 8585 operation (namely double 85 test, which refers to the aging test at a high temperature of 85°C and a relative humidity of 85%) and THO (namely a high temperature and high humidity operation test, which refers to the condition of a high temperature of 60°C and a relative humidity of 90%) Aging test under).
- Table 1 it can be seen that when the FPC pin length shown in Figure 1 is designed to be 0.3mm longer than the COF pin, FPC pin corrosion of 2/15 occurs; while the flip chip film COF 10 bonding provided by the embodiment of the present disclosure COF Pin and FPC Pin are designed in the structure, and the reliability results are very good. It can be seen that the COF 10 bonding structure provided by the embodiments of the present disclosure can effectively prevent FPC Pin corrosion and solve the problem of poor display screen caused by FPC Pin corrosion.
- the chip on film COF 10 includes:
- the paint film 13 is arranged on the metal layer 12, and the paint film 13 exposes both ends of the metal layer 12, and the exposed two ends are the first pin 100 and the connecting terminal for connecting with the display substrate.
- the third pin (not shown in the figure).
- the COF 10 binding structure provided by the embodiments of the present disclosure is suitable for mobile terminals and various OLED display module structures, and of course it is not limited thereto.
- the embodiment of the present disclosure also provides a display module, including the bonding structure of the flip chip COF 10 provided by the embodiment of the present disclosure.
- the display module is an OLED display module.
- the embodiment of the present disclosure also provides a terminal device, including the display module provided by the embodiment of the present disclosure.
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Abstract
Description
项目 | 相关技术中的覆晶薄膜绑定结构 | 本公开实施例的覆晶薄膜绑定结构 |
8585运行 | 2/15的Pin腐蚀 | 无腐蚀 |
THO | 2/15的Pin腐蚀 | 无腐蚀 |
Claims (23)
- 一种覆晶薄膜绑定结构,包括:覆晶薄膜,所述覆晶薄膜包括第一引脚,所述第一引脚包括相对设置的第一端和第二端;以及柔性电路板,所述柔性电路板包括与所述第一引脚连接的第二引脚,所述第二引脚包括相对设置的第三端和第四端,其中,所述第一引脚的第一端和所述第二引脚的第三端重叠,以形成第一有效接触区;并且所述第一引脚的第二端和所述第二引脚的第四端分别从所述第一有效接触区的相对两侧延伸出,以在所述第一引脚的第二端形成第一暴露区并且在所述第二引脚的第四端形成第二暴露区。
- 根据权利要求1所述的覆晶薄膜绑定结构,其中,所述第一暴露区在从所述第一端至所述第二端的延伸方向上具有第一长度;所述第二暴露区在从所述第三端至所述第四端的延伸方向上具有第二长度;并且所述第一长度和所述第二长度小于0.3mm。
- 根据权利要求2所述的覆晶薄膜绑定结构,其中,所述第一长度为0.05~0.20mm。
- 根据权利要求3所述的覆晶薄膜绑定结构,其中,所述第一长度为0.1mm。
- 根据权利要求2所述的覆晶薄膜绑定结构,其中,所述第二长度为0.1~0.2mm。
- 根据权利要求5所述的覆晶薄膜绑定结构,其中,所述第二长度为0.1mm。
- 根据权利要求1所述的覆晶薄膜绑定结构,其中,所述覆晶薄膜包括:基底;金属层,其设置于所述基底的彼此相对的两个表面上并且连接到驱动IC;漆膜,其设置于所述金属层远离所述基底的表面上并且露出所述金属层的两端,露出的两端分别为所述第一引脚和用于与显示基板连接的第三引脚,所述第三引脚包括相对设置的第五端和第六端。
- 根据权利要求7所述的覆晶薄膜绑定结构,其中,所述覆晶薄膜绑定结构还包括所述显示基板,所述显示基板包括用于与所述覆晶薄膜连接的第四引脚,所述第四引脚包括相对设置的第七端和第八端。
- 根据权利要求8所述的覆晶薄膜绑定结构,其中,所述第三引脚的第五端和所述第四引脚的第七端重叠,以形成第二有效接触区;并且所述第三引脚的第六端和所述第四引脚的第八端分别从所述第二有效接触区的相对两侧延伸出,以在所述第三引脚的第六端处形成第三暴露区并且在所述第四引脚的第八端处形成第四暴露区。
- 根据权利要求9所述的覆晶薄膜绑定结构,其中,所述第三暴露区在从所述第五端至所述第六端的延伸方向上具有第三长度;所述第四暴露区在从所述第七端至所述第八端的延伸方向上具有第四长度;并且所述第三长度和所述第四长度小于0.3mm。
- 根据权利要求10所述的覆晶薄膜绑定结构,其中,所述第三长度为0.05~0.20mm。
- 根据权利要求11所述的覆晶薄膜绑定结构,其中,所述第三长度为0.1mm。
- 根据权利要求10所述的覆晶薄膜绑定结构,其中,所述第四长度为0.1~0.2mm。
- 根据权利要求13所述的覆晶薄膜绑定结构,其中,所述第四长度为0.1mm。
- 一种显示模组,包括如权利要求1至14任一项所述的覆晶薄膜绑定结构。
- 根据权利要求15所述的显示模组,其中,所述显示模组为OLED显 示模组。
- 一种终端设备包括如权利要求15或16所述的显示模组。
- 一种用于绑定根据权利要求1至14任一项所述的覆晶薄膜绑定结构的方法,所述覆晶薄膜绑定结构包括:覆晶薄膜,所述覆晶薄膜包括第一引脚,所述第一引脚包括相对设置的第一端和第二端;以及柔性电路板,所述柔性电路板包括与所述第一引脚连接的第二引脚,所述第二引脚包括相对设置的第三端和第四端,其中,所述方法包括:形成第一有效接触区,通过使所述第一引脚的第一端和所述第二引脚的第三端重叠;并且在所述第一引脚的第二端处形成第一暴露区并且在所述第二引脚的第四端处形成第二暴露区,通过使所述第一引脚的第二端和所述第二引脚的第四端分别从所述第一有效接触区的相对两侧延伸出。
- 根据权利要求18所述的方法,其中,所述第一暴露区在从所述第一端至所述第二端的延伸方向上具有第一长度;所述第二暴露区在从所述第三端至所述第四端的延伸方向上具有第二长度;并且所述第一长度和所述第二长度小于0.3mm。
- 根据权利要求18所述的方法,其中,所述覆晶薄膜包括:基底;金属层,其设置于所述基底的彼此相对的两个表面上并且连接到驱动IC;漆膜,其设置于所述金属层远离所述基底的表面上并且露出所述金属层的两端,露出的两端分别为所述第一引脚和用于与显示基板连接的第三引脚,所述第三引脚包括相对设置的第五端和第六端。
- 根据权利要求20所述的方法,其中,所述覆晶薄膜绑定结构还包括所述显示基板,所述显示基板包括用于与所述覆晶薄膜连接的第四引脚,所述第四引脚包括相对设置的第七端和第八端。
- 根据权利要求21所述的方法,其中,所述方法还包括:形成第二有效接触区,通过使所述第三引脚的第五端和所述第四引脚的 第七端重叠;以及在所述第三引脚的第六端处形成第三暴露区并且在所述第四引脚的第八端处形成第四暴露区,通过使所述第三引脚的第六端和所述第四引脚的第八端分别从所述第二有效接触区的相对两侧延伸出。
- 根据权利要求22所述的方法,其中,所述第三暴露区在从所述第五端至所述第六端的延伸方向上具有第三长度;所述第四暴露区在从所述第七端至所述第八端的延伸方向上具有第四长度;并且所述第三长度和所述第四长度小于0.3mm。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100220072A1 (en) * | 2009-01-22 | 2010-09-02 | Sitronix Technology Corp. | Modulized touch panel |
CN204634159U (zh) * | 2015-04-27 | 2015-09-09 | 昆山龙腾光电有限公司 | 一种pcb板及使用其的液晶显示装置 |
CN108495455A (zh) * | 2018-03-23 | 2018-09-04 | 武汉华星光电半导体显示技术有限公司 | 连接组件及显示装置 |
CN109597508A (zh) * | 2017-09-30 | 2019-04-09 | 南昌欧菲显示科技有限公司 | 柔性电路板、触控模组及触摸屏 |
CN109686712A (zh) * | 2018-12-26 | 2019-04-26 | 厦门天马微电子有限公司 | 显示面板和显示装置 |
CN110707136A (zh) * | 2019-10-28 | 2020-01-17 | 京东方科技集团股份有限公司 | 一种覆晶薄膜绑定结构、显示模组及终端设备 |
CN210073288U (zh) * | 2019-06-11 | 2020-02-14 | 惠科股份有限公司 | 显示面板与显示装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070043166A1 (en) * | 2004-07-29 | 2007-02-22 | Norihisa Hoshika | Epoxy resin composition for encapsulating semiconductor chip and semiconductor device |
KR101834792B1 (ko) * | 2016-08-31 | 2018-03-06 | 엘지디스플레이 주식회사 | 터치 센서를 가지는 유기 발광 표시 장치 및 그 제조 방법 |
US10743425B2 (en) * | 2016-10-31 | 2020-08-11 | Lg Display Co., Ltd. | Display device and method for manufacturing the same |
US10964644B2 (en) * | 2018-04-02 | 2021-03-30 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Array substrate, chip on film, and alignment method |
CN108957812B (zh) * | 2018-07-24 | 2020-06-30 | 武汉华星光电技术有限公司 | 液晶显示装置的制作方法及液晶显示装置 |
CN209417489U (zh) * | 2018-11-12 | 2019-09-20 | 惠科股份有限公司 | 一种显示面板及其加工设备 |
CN112151445B (zh) * | 2020-09-28 | 2024-06-11 | 京东方科技集团股份有限公司 | 一种显示基板的制备方法及显示基板、显示装置 |
CN112540229A (zh) * | 2020-12-02 | 2021-03-23 | Tcl华星光电技术有限公司 | 显示装置以及显示装置的阻抗的检测方法 |
-
2019
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-
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- 2020-10-12 US US17/417,577 patent/US20220059642A1/en active Pending
- 2020-10-12 WO PCT/CN2020/120416 patent/WO2021082894A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100220072A1 (en) * | 2009-01-22 | 2010-09-02 | Sitronix Technology Corp. | Modulized touch panel |
CN204634159U (zh) * | 2015-04-27 | 2015-09-09 | 昆山龙腾光电有限公司 | 一种pcb板及使用其的液晶显示装置 |
CN109597508A (zh) * | 2017-09-30 | 2019-04-09 | 南昌欧菲显示科技有限公司 | 柔性电路板、触控模组及触摸屏 |
CN108495455A (zh) * | 2018-03-23 | 2018-09-04 | 武汉华星光电半导体显示技术有限公司 | 连接组件及显示装置 |
CN109686712A (zh) * | 2018-12-26 | 2019-04-26 | 厦门天马微电子有限公司 | 显示面板和显示装置 |
CN210073288U (zh) * | 2019-06-11 | 2020-02-14 | 惠科股份有限公司 | 显示面板与显示装置 |
CN110707136A (zh) * | 2019-10-28 | 2020-01-17 | 京东方科技集团股份有限公司 | 一种覆晶薄膜绑定结构、显示模组及终端设备 |
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