WO2020103216A1 - 显示面板的控制电路和显示装置 - Google Patents

显示面板的控制电路和显示装置

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Publication number
WO2020103216A1
WO2020103216A1 PCT/CN2018/119996 CN2018119996W WO2020103216A1 WO 2020103216 A1 WO2020103216 A1 WO 2020103216A1 CN 2018119996 W CN2018119996 W CN 2018119996W WO 2020103216 A1 WO2020103216 A1 WO 2020103216A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
pin
display panel
connector
flexible circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/119996
Other languages
English (en)
French (fr)
Inventor
杨继东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Original Assignee
HKC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HKC Co Ltd filed Critical HKC Co Ltd
Publication of WO2020103216A1 publication Critical patent/WO2020103216A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present application relates to the field of display technology, in particular to a control circuit and a display device of a display panel.
  • Flat panel displays include thin film transistor liquid crystal displays (Thin Film Transistor-Liquid Crystal (TFT-LCD) and organic light-emitting diode (Organic Light-Emitting Diode, OLED) displays, etc.
  • TFT-LCD Thi Film Transistor-Liquid Crystal
  • OLED Organic Light-Emitting Diode
  • the thin film transistor liquid crystal display controls the rotation direction of the liquid crystal molecules to refract the light of the backlight module to generate a picture, which has many advantages such as thin body, power saving, no radiation and so on.
  • the organic light emitting diode display is made of organic electroluminescent diodes, and has many advantages such as self-luminescence, short response time, high definition and contrast, flexible display and large-area full-color display.
  • the flexible circuit board will be stressed by the driving circuit board during transportation, which may bend or pull the metal wiring in the flexible circuit board, which may cause the metal wiring to break.
  • the connection between the flexible circuit board and the driving circuit board known to the inventor is through external wire bonding.
  • a certain temperature and pressure must be applied to the flexible circuit board and the drive circuit board.
  • the flexible circuit board and the PCB Print Circuit Board
  • the flexible circuit board and the PCB will expand due to heat, which is prone to lead-to-pin bonding Dislocation or anisotropic conductive adhesive film is crushed.
  • the flexible circuit board and the driving circuit board are crimped by this technology, they cannot be separated without being damaged, and the connecting wires inside the flexible circuit board are easily broken during transportation.
  • the external wire bonding may cause joint misalignment or the anisotropic conductive adhesive film is crushed, and at the same time, the connection wiring of the flexible circuit board may be easily broken during transportation.
  • the present application provides a control circuit and a display device for a display panel, to reduce the occurrence of connection breakage in the internal wiring of the flexible circuit board.
  • the present application provides a control circuit for a display panel, including: a flexible circuit board configured to generate a drive signal for the display panel; a drive circuit board connected to the display panel; and a connector fixed to the The drive circuit board; the flexible circuit board is electrically connected to the drive circuit board through the connector.
  • a side of the flexible circuit board connected to the driving circuit board is a connecting wire
  • the connecting wire includes a row of pins evenly distributed
  • the connector includes a pin tube corresponding to the pin
  • the flexible circuit board includes a source driver chip, and the source driver chip controls a vertical direction signal.
  • the cross section of the pin is circular, and the pin is generally cylindrical.
  • the size of the bottom of the pin is greater than or equal to the size of the top of the pin.
  • the connector includes a spring device.
  • the spring device opens.
  • the spring device closes to restrict the movement of the pin.
  • the spring device is opened again, the pin can be removed.
  • the connector includes a rotary pressure plate
  • the pin tube is located under the rotary pressure plate
  • the pins are placed in the pin tube
  • the rotary pressure plate presses down to fix the pins
  • the rotary pressure plate is opened again, The pin can be removed.
  • the flexible circuit board includes an output lead, an input lead, a substrate, and a metal lead, the output lead and the input lead are located on opposite sides of the flexible circuit board, and the substrate is located on the flexible circuit board In the middle, the base material surrounds the metal lead.
  • the substrate is a flexible material.
  • the input lead is connected to the display panel.
  • the connector is located in the middle of the driving circuit board.
  • the pin has the same length as the pin tube.
  • the length of the pin tube is smaller than the length of the pin.
  • the connector is close to the side of the driving circuit board.
  • the present application also discloses a control circuit for a display panel, including: a flexible circuit board configured to generate a drive signal for the display panel; a drive circuit board configured to be electrically connected to the display panel; a connector fixed to the drive circuit board Above, the connector is located in the middle of the drive circuit board, close to the side of the drive circuit board; the flexible circuit board is electrically connected to the drive circuit board through the connector;
  • the flexible circuit board includes an output lead, an input lead, a base material, and a metal lead.
  • the output lead and the input lead are located on opposite sides of the flexible circuit board.
  • the base material is located in the middle of the flexible circuit board.
  • the base material surrounds the metal leads, the side of the flexible circuit board connected to the drive circuit board is a connecting line, the connecting line is a row of evenly distributed pins, and the connector corresponds to the pins Pin tube, the pin is the same length as the pin tube, when the pin is connected to the pin tube, the display panel works normally, the screen is lit, the connector has a rotating pressure plate, and the pin tube is located at the Under the rotating pressure plate, the pins are put into the pin tube, the rotating pressure plate presses down to fix the pins, and the rotating pressure plate is opened again, and the pins can be taken out.
  • the present application also discloses a display device including a display panel and a control circuit thereof.
  • the display panel control circuit includes: a flexible circuit board configured to generate a drive signal for the display panel; a drive circuit board connected to the display panel; And a connector, which is fixed on the driving circuit board; the flexible circuit board is electrically connected to the driving circuit board through the connector.
  • a side of the flexible circuit board connected to the driving circuit board is a connecting wire
  • the connecting wire includes a row of pins evenly distributed
  • the connector includes a pin tube corresponding to the pin
  • FIG. 1 is a schematic diagram of a driving structure of a display panel according to one embodiment of the present application.
  • FIG. 2 is a schematic diagram of a flexible circuit board according to one embodiment of the present application.
  • FIG. 3 is a schematic diagram of a display panel control circuit known to the inventor.
  • FIG. 4 is a schematic diagram of a control circuit of a display panel according to another embodiment of the present application.
  • FIG. 5 is a schematic diagram of a display device according to another embodiment of the present application.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more features.
  • the meaning of “plurality” is two or more.
  • the term “comprising” and any variations thereof are intended to cover non-exclusive inclusions.
  • connection should be understood in a broad sense, for example, it can be fixed connection or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • installation should be understood in a broad sense, for example, it can be fixed connection or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • the connection between the source thin film chip and the driving circuit board of the flexible circuit board known by the inventor is connected by an external wire bonding method (Outer Lead Bonding, OLB process).
  • OLB process Outer Lead Bonding
  • OLB process In the manufacturing process, To apply a certain temperature and pressure to the flexible circuit board and the drive circuit board, the flexible circuit board and the drive circuit board will expand due to heat, and it is easy to cause joint misalignment or the anisotropic conductive adhesive film to be crushed. Once this method is used for crimping, it cannot be separated without damage, and it is easy to break the connection line of the internal wiring of the flexible circuit board during transportation.
  • the undisclosed information is a connector.
  • the connector is fixed on the driving circuit board. There is a pin tube on the connector, which is connected to the corresponding pin of the flexible circuit board.
  • an embodiment of the present application discloses a control circuit for a display panel, including: a flexible circuit board 20 configured to generate a drive signal for the display panel 30; a drive circuit board 10 configured to be connected to the display panel 30
  • the connector 14 is fixed on the driving circuit board; the flexible circuit board 20 is connected to the driving circuit board 10 through the connector 14.
  • the flexible circuit board 20 and the drive circuit board 10 are connected by an external wire bonding method (OLB process).
  • OLB process external wire bonding method
  • a certain temperature and pressure are applied to the flexible circuit board 20 and the drive circuit board 10.
  • the flexible circuit board 20 and the driving circuit board 10 will expand due to heat, which is likely to cause misalignment or the anisotropic conductive adhesive film to be crushed.
  • this method is used for crimping, it cannot be separated without damage, and it is easy to break the connection line of the internal wiring of the flexible circuit board during transportation.
  • By connecting the flexible circuit board 20 and the drive circuit board 10 through the connector it is possible to avoid joint misalignment or the anisotropic conductive adhesive film from being crushed.
  • the side where the flexible circuit board 20 is connected to the driving circuit board 10 is a connecting wire 11
  • the connecting wire 11 is a row of evenly distributed pins 12
  • the pin 14 corresponding to the connector 14 and the pin 12 is When the pin 12 and the pin tube 13 are connected, the display panel works normally and lights the screen.
  • connection line 11 replaces the previous connection method, which is more stable and less prone to misalignment.
  • the pins 12 correspond to the connection interfaces one by one, and the pins 12 are evenly distributed, so that the stress of the flexible circuit board during connection is more uniform, and breakage is reduced.
  • the pin tube 13 provides a connection place for the pin 12 to facilitate the insertion of the pin 12 and has a limiting effect on the pin 12 to limit the relative displacement of the pin 2 when the pin 12 is connected to the pin tube 13, the display panel works normally and lights up screen.
  • the flexible circuit board 20 includes a source driver chip that controls the vertical direction signal.
  • the source driver chip corresponding to the flexible circuit board 20 mainly controls the signal in the vertical direction, and controls the signal in the vertical direction of the display panel 30.
  • the cross section of the pin 12 is circular, and the pin 12 is cylindrical in general.
  • the overall shape of the pin 12 is cylindrical, and the cylindrical shape is easier to insert into the pin tube 13 than a regular rectangular cylinder, and the friction force caused by the pin tube 13 is relatively small, which is convenient for the staff to operate.
  • the size of the bottom of the pin 12 is greater than or equal to the size of the top of the pin 12.
  • the size of the bottom of the pin 12 is slightly larger than the size of the top during the production process.
  • the size of the bottom slightly restricts the displacement of the pin 12 and prevents the pin 12 from moving relatively; in fact, the bottom size of the pin 12 Slightly greater than or equal to the size of the top is possible.
  • the connector 14 includes a spring device.
  • the spring opens.
  • the spring device closes to restrict the movement of the pin 2.
  • the drive circuit board 10 can be removed at any time without affecting the It can be used again for easy operation.
  • the connector 14 has a rotating pressure plate 90
  • the pin tube 13 is located under the rotating pressure plate
  • the pin 12 is placed in the pin tube 13
  • the rotating pressure plate 90 presses down the fixed pin 12
  • the rotating pressure plate 90 is opened again, and the pin 12 can be removed .
  • the pin 12 and the pin tube 13 are fixed by rotating the pressing plate 90, and the rotating plate 90 exerts a certain pressure on the pin 12 to restrict the pin 12.
  • the rotating plate 90 exerts a certain pressure on the pin 12 to restrict the pin 12.
  • the flexible circuit board 20 includes an output lead 40, an input lead 70, a base material 50, and a metal lead 60.
  • the output lead 40 and the input lead 70 are located on opposite sides of the flexible circuit board 20, and the base material 50 is located on the flexible circuit board 20 In the middle, the base material 50 surrounds the metal lead 60.
  • the flexible circuit board 20 is configured to generate a data driving signal for the display panel, including an output lead 40, an input lead 70, a base material 50, and a metal lead 60, where the output lead 40 and the input lead 40 are located on opposite sides of the flexible circuit board 20 It is beneficial to connect the flexible circuit board 20 with other structures, and at the same time, the base material 50 surrounds the metal lead 60 to protect the metal lead 60 from breaking easily.
  • the substrate 50 is a flexible material.
  • the material of the base material 50 is a flexible material, which can effectively protect the metal lead 60 in the flexible circuit board 20.
  • the input lead 40 is connected to the display panel 30.
  • the input lead 70 and the output lead 40 in the flexible circuit board 20 are located on opposite sides, where the input lead 70 is connected to the display panel 30 to transmit the control signal in the flexible circuit board 20 to the display panel 30 Take control.
  • the connector 14 is located in the middle of the driving circuit board 10.
  • the connector 14 is located in the middle of the driving circuit board 10, so that the connection is stressed in the middle of the driving circuit board, not at one end, and the force is evenly applied to both ends, which increases the service life.
  • the pin 12 is the same length as the pin tube 13.
  • the length of the pin 12 is the same as the length of the pin tube 13.
  • the pin 12 is just pressed to the bottom of the pin tube 13. If the length of the pin 12 is too long, it will be exposed to the air. Impact, too short may affect the connection effect.
  • the length of the pin tube 13 is smaller than the length of the pin 12.
  • the length of the pin tube 13 is shorter than the length of the pin 12, to ensure that the pin 12 can penetrate into the pin tube 13 to prevent poor contact caused by the pin 12 not completely contacting.
  • the length of the tube 13 is also slightly shorter than the pin 12 to ensure that the pin 12 will not be too long.
  • the connector 14 is close to the side of the driving circuit board 10.
  • the connector 14 is close to the side of the driving circuit board 10, which is convenient for connection with the flexible circuit board 20, and at the same time, more space is left on one side for easy operation.
  • an embodiment of the present application further discloses a control circuit of a display panel, including: a flexible circuit board 20 configured as a driving signal of the display panel 30;
  • the driving circuit board 10 is arranged to be electrically connected to the display panel 30; the connector 14, fixed on the driving circuit board 10, is located in the middle of the driving circuit board 10, the connector 14 is close to the side of the driving circuit board 10; the flexible circuit board 20 is connected by 14 is connected to the drive circuit board 10;
  • the flexible circuit board 20 includes an output lead 40, an input lead 70, a base material 50, and a metal lead 60.
  • the output lead 40 and the input lead 70 are located on opposite sides of the flexible circuit board 20.
  • the base material 50 is located in the middle of the flexible circuit board 20 and surrounded by the base material 50
  • the metal lead 60, the side where the flexible circuit board 20 is connected to the driving circuit board 10 is a connecting wire 11, the connecting wire 11 is a row of pins 12 evenly distributed, the pin 14 corresponding to the connector 14 and the pin 12, the pin 12 and the The length of the pin tube 13 is the same.
  • the connector 14 has a rotating platen 90.
  • the pin 12 tube is located under the rotating platen 90.
  • the pin 12 is placed in the pin tube 13 , Rotate the pressure plate 90 to press down the fixed pin 12, open the rotary pressure plate 90 again, the pin 12 can be taken out.
  • the flexible circuit board 20 is configured to generate a data driving signal for the display panel, including an output lead 40, an input lead 70, a base material 50, and a metal lead 60, where the output lead 40 and the input lead 40 are located on opposite sides of the flexible circuit board 20 It is beneficial to connect the flexible circuit board 20 with other structures, and at the same time, the base material 50 surrounds the metal lead 60 to protect the metal lead 60 from breaking easily.
  • the source thin film chip and the driving circuit board 10 in the flexible circuit board 20 are connected by an external wire bonding method (OLB process). During the manufacturing process, a certain temperature and pressure are applied to the flexible circuit board 20 and the driving circuit board 10.
  • the circuit board 20 and the driving circuit board 10 will expand due to heat, which may easily lead to joint misalignment or the anisotropic conductive adhesive film being crushed. Once this method is used for crimping, it cannot be separated without damage, and it is easy to break the connection line of the internal wiring of the flexible circuit board during transportation. By connecting the flexible circuit board 20 and the drive circuit board 10 through the connector 14, it is possible to avoid joint misalignment or crushing of the anisotropic conductive adhesive film.
  • the connector 14 is located in the middle of the driving circuit board 10, so that the force when connecting is in the middle of the driving circuit board, not at one end, and the force is evenly applied to both ends, which increases the service life.
  • the connecting line 11 replaces the previous connecting line, which is more stable and less prone to misalignment.
  • the pins 12 correspond to the connection interfaces one by one, and the pins 12 are evenly distributed, so that the stress of the flexible circuit board 20 during connection is more uniform, and breakage is reduced.
  • the pin tube 13 provides a connection place for the pin 12 to facilitate the insertion of the pin 12 and at the same time has a limiting effect on the pin 12 to limit the relative displacement of the pin 121.
  • the display panel works normally and lights the screen .
  • the length of the pin 12 is the same as the length of the pin tube 13. When the pin 12 is fully inserted into the pin tube 13, the pin 12 is just pressed to the bottom of the pin tube 13.
  • the driving circuit board 10 and the flexible circuit board 20 are connected through the connector 14, and the pin 12 and the pin tube 13 are fixed by rotating the pressing plate 90, and the rotating plate 90 applies a certain pressure to the pin 12 to restrict the pins. When the two are to be separated, It is only necessary to open the rotating pressure plate 90, the operation is simple, and it is convenient for workers to transport and carry.
  • an embodiment of the present application further discloses a display device 100 including a display panel 30 and a control circuit thereof.
  • the display panel control circuit includes: a flexible circuit board 20 configured to generate a drive signal for the display panel 30
  • the drive circuit board 10 is set to be connected to the display panel 30; the connector 14 is fixed on the drive circuit board; the flexible circuit board 20 is connected to the drive circuit board 10 through the connector 14.
  • the flexible circuit board 20 and the drive circuit board 10 are connected by an external wire bonding method (OLB process).
  • OLB process external wire bonding method
  • a certain temperature and pressure are applied to the flexible circuit board 20 and the drive circuit board 10.
  • the flexible circuit board 20 and the driving circuit board 10 will expand due to heat, which is likely to cause misalignment or the anisotropic conductive adhesive film to be crushed.
  • this method is used for crimping, it cannot be separated without damage, and it is easy to break the connection line of the internal wiring of the flexible circuit board during transportation.
  • By connecting the flexible circuit board 20 and the drive circuit board 10 through the connector it is possible to avoid joint misalignment or the anisotropic conductive adhesive film from being crushed.
  • the side where the flexible circuit board 20 is connected to the driving circuit board 10 is a connecting wire 11
  • the connecting wire 11 is a row of evenly distributed pins 12
  • the pin 14 corresponding to the connector 14 and the pin 12 is When the pin 12 and the pin tube 13 are connected, the display panel works normally and lights the screen.
  • connection line 11 replaces the previous connection method, which is more stable and less prone to misalignment.
  • the pins 12 correspond to the connection interfaces one by one, and the pins 12 are evenly distributed, so that the stress of the flexible circuit board during connection is more uniform, and breakage is reduced.
  • the pin tube 13 provides a connection place for the pin 12 to facilitate the insertion of the pin 12 and has a limiting effect on the pin 12 to limit the relative displacement of the pin 2 when the pin 12 is connected to the pin tube 13, the display panel works normally and lights up screen.
  • TN panel full name Twisted Nematic, namely twisted nematic panel
  • IPS panel In-PaneSwitcing, plane conversion
  • VA panel Multi-domain Vertica Alignment, multi-quadrant vertical alignment technology
  • TN panel full name Twisted Nematic, namely twisted nematic panel
  • IPS panel In-PaneSwitcing, plane conversion
  • VA panel Multi-domain Vertica Alignment, multi-quadrant vertical alignment technology

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示面板（30）的控制电路和显示装置，控制电路包括：柔性电路板（20），设置为生成显示面板（30）的数据驱动信号；驱动电路板（10），与显示面板（30）电连接，设置为时序控制电路；连接器（14），固定在驱动电路板（10）上；柔性电路板（20）通过连接器（14）与驱动电路板（10）电连接；其中柔性电路板（20）的栅极，设置为控制显示面板（30）水平方向信号。

Description

显示面板的控制电路和显示装置
本申请要求于2018年11月21日提交中国专利局，申请号为CN201821924524.X，申请名称为“一种显示面板的控制电路和显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板的控制电路和显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有技术。
随着科技的发展和进步，平板显示器由于具备机身薄、省电和辐射低等热点而成为显示器的主流产品，得到了广泛应用。平板显示器包括薄膜晶体管液晶显示器(Thin Film Transistor-Liquid Crystal Display，TFT-LCD)和有机发光二极管(Organic Light-Emitting Diode，OLED)显示器等。其中，薄膜晶体管液晶显示器通过控制液晶分子的旋转方向，以将背光模组的光线折射出来产生画面，具有机身薄、省电、无辐射等众多优点。而有机发光二极管显示器是利用有机电致发光二极管制成，具有自发光、响应时间短、清晰度与对比度高、可实现柔性显示与大面积全色显示等诸多优点。
柔性电路板在搬运过程中会受到驱动电路板的应力，对柔性电路板内的金属走线造成弯折或拉扯，可能造成金属走线的断裂。发明人知晓的柔性电路板与驱动电路板的连接，是通过外部引线接合。外部引线接合制程中进行压接要对柔性电路板与驱动电路板施加一定温度与压力，柔性电路板与PCB(Print Circuit Board,印刷电路板)会受热发生膨胀，容易出现引脚与引脚接合错位或各向异性导电胶膜被压坏的情况。且该技术一旦将柔性电路板与驱动电路板压接，便不能在不做破坏的情况下使其分离，在运输过程中易使柔性电路板内部走线发生连接线断裂。外部引线接合有可能会出现接合错位或各向异性导电胶膜被压坏的，同时在运输过程中易使柔性电路板内部走线发生连接线断裂。
技术解决方案
本申请提供一种显示面板的控制电路和显示装置，减少柔性电路板内部走线发生连 接线断裂。
为实现上述目的，本申请提供了一种显示面板的控制电路，包括：柔性电路板，设置为生成显示面板的驱动信号；驱动电路板，与所述显示面板连接；以及连接器，固定在所述驱动电路板上；所述柔性电路板通过所述连接器与所述驱动电路板电连接。
可选的，所述柔性电路板与所述驱动电路板连接的一侧为连接线，所述连接线包括一排均匀分布的针脚，所述连接器包括与所述针脚相对应的针脚管，当所述针脚与所述针脚管连接时，显示面板正常工作，点亮屏幕。
可选的，所述柔性电路板包括源极驱动芯片，所述源极驱动芯片控制垂直方向信号。
可选的，所述针脚的横截面为圆形，所述针脚整体为圆柱状。
可选的，所述针脚底部的尺寸大于等于针脚顶部的尺寸。
可选的，所述连接器包括弹簧装置，当所述针脚插入所述针脚管时，所述弹簧装置打开，当所述针脚完全进入所述针脚管后，所述弹簧装置关闭限制针脚移动，当所述弹簧装置再次打开，可取出所述针脚。
可选的，所述连接器包括旋转压板，所述针脚管位于所述旋转压板下，所述针脚放入所述针脚管中，所述旋转压板压下固定所述针脚，再次打开旋转压板，可以取出所述针脚。
可选的，所述柔性电路板包括输出引线、输入引线、基材和金属引线，所述输出引线和所述输入引线位于所述柔性电路板相对侧，所述基材位于所述柔性电路板中部，所述基材包围所述金属引线。
可选的，所述基材为柔性材料。
可选的，所述输入引线与所述显示面板连接。
可选的，所述连接器位于所述驱动电路板中部。
可选的，所述针脚与所述针脚管长度一样。
可选的，所述针脚管的长度小于所述针脚的长度。
可选的，所述连接器靠近所述驱动电路板侧边。
本申请还公开了一种显示面板的控制电路，包括：柔性电路板，设置为生成显示面 板的驱动信号；驱动电路板，设置为与显示面板电连接；连接器，固定在所述驱动电路板上，连接器位于所述驱动电路板中部，靠近所述驱动电路板侧边；所述柔性电路板通过连接器与驱动电路板电连接；
所述柔性电路板包括输出引线、输入引线、基材和金属引线，所述输出引线和所述输入引线位于所述柔性电路板相对侧，所述基材位于所述柔性电路板中部，所述基材包围所述金属引线，所述柔性电路板与所述驱动电路板连接的一侧为连接线，所述连接线为一排均匀分布的针脚，所述连接器与所述针脚相对应的针脚管，所述针脚与所述针脚管长度一样，当所述针脚与所述针脚管连接时，显示面板正常工作，点亮屏幕，所述连接器存在旋转压板，所述针脚管位于所述旋转压板下，所述针脚放入所述针脚管中，所述旋转压板压下固定所述针脚，再次打开旋转压板，可以取出所述针脚。
本申请还公开了一种显示装置，包括显示面板及其控制电路，所述显示面板控制电路包括：柔性电路板，设置为生成显示面板的驱动信号；驱动电路板，与所述显示面板连接；以及连接器，固定在所述驱动电路板上；所述柔性电路板通过所述连接器与所述驱动电路板电连接。
可选的，所述柔性电路板与所述驱动电路板连接的一侧为连接线，所述连接线包括一排均匀分布的针脚，所述连接器包括与所述针脚相对应的针脚管，当所述针脚与所述针脚管连接时，显示面板正常工作，点亮屏幕。
相对于柔性电路板和驱动电路板连接通过外部引线接合方式(Outer Lead Bonding,OLB制程)连接，在制作过程中，要对柔性电路板和驱动电路板施加一定温度与压力，柔性电路板和驱动电路板会受热发生膨胀，容易发生接合错位或者各向异性导电胶膜被压坏的情况。一旦采用这种方法压接便不能在不做破坏的情况下使其分离，在运输过程中易使柔性电路板内部走线发生连接线断裂，本申请通过连接器连接柔性电路板和驱动电路板，可以避免发生接合错位或者各向异性导电胶膜被压坏。
附图说明
所包括的附图用来提供对本申请实施例的的理解，其构成了说明书的一部分，进行例示本申请的实施方式，并与文字描述一起来阐释本申请的原理。显而易见地，下面描 述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1是本申请的其中一个实施例的一种显示面板驱动结构示意图；
图2是本申请的其中一个实施例柔性电路板的示意图；
图3是发明人知晓的一种显示面板控制电路的示意图；
图4是本申请另一实施例一种显示面板的控制电路的示意图；
图5是本申请另一实施例一种显示装置的示意图。
具体实施方式
这里所公开的具体结构和功能细节仅仅是代表性的，并且是进行描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上 下文明确地另有所指，否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是，这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在，而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
申请人采用过一种未公开的技术方案:发明人知晓的柔性电路板的源极薄膜芯片和驱动电路板连接通过外部引线接合方式(Outer Lead Bonding，OLB制程)连接，在该制作过程中，要对柔性电路板和驱动电路板施加一定温度与压力，柔性电路板和驱动电路板会受热发生膨胀，容易发生接合错位或者各向异性导电胶膜被压坏的情况。一旦采用这种方法压接便不能在不做破坏的情况下使其分离，在运输过程中易使柔性电路板内部走线发生连接线断裂。未公开信息为连接器，连接器固定在驱动电路板上，连接器上存在针脚管，与柔性电路板对应的针脚连接。通过连接器取代之前的连接方式，可以随时分开柔性电路板和驱动电路板，方便搬运，减少产品损伤。
下面结合附图和可选的实施例对本申请作说明。
如图1至4所示，本申请实施例公开了一种显示面板的控制电路，包括：柔性电路板20，设置为生成显示面板30的驱动信号；驱动电路板10，设置为与显示面板30连接；连接器14，固定在驱动电路板上；柔性电路板20通过连接器14与驱动电路板10连接。
本方案中，柔性电路板20和驱动电路板10连接通过外部引线接合方式(OLB制程)连接，在制作过程中，要对柔性电路板20和驱动电路板10施加一定温度与压力，柔性电路板20和驱动电路板10会受热发生膨胀，容易发生接合错位或者各向异性导电胶膜被压坏的情况。一旦采用这种方法压接便不能在不做破坏的情况下使其分离，在运输过程中易使柔性电路板内部走线发生连接线断裂。通过连接器连接柔性电路板20和驱动电路板10，可以避免发生接合错位或者各向异性导电胶膜被压坏。
在一实施例中，柔性电路板20与驱动电路板10连接的一侧为连接线11，连接线11为一排均匀分布的针脚12，连接器14与针脚12相对应的针脚管13，当针脚12与针脚管13连接时，显示面板正常工作，点亮屏幕。
本方案中，连接线11取代之前的连接方式，更加稳定，不易发生错位。针脚12对应一个个的连接接口，均匀分布的针脚12，使连接时柔性电路板的受力更加均匀，减少断裂。针脚管13为针脚12提供了连接场所，方便针脚12插入，同时对针脚12有限制的作用，限制针2脚发生相对位移，当针脚12与针脚管13连接时，显示面板正常工作，点亮屏幕。
在一实施例中，柔性电路板20包括源极驱动芯片，源极驱动芯片控制垂直方向信号。
本方案中，与柔性电路板20对应的源极驱动芯片主要控制垂直方向的信号，对显示面板30垂直方向信号进行控制。
在一实施例中，针脚12的横截面为圆形，针脚12整体为圆柱状。
本方案中，针脚12整体的形状为圆柱状的，圆柱状相较于规则的矩形柱体，更容易插入针脚管13中，与针脚管13造成的摩擦力相对较小，方便工作人员操作。
在一实施例中，针脚12底部的尺寸大于等于针脚12顶部的尺寸。
本方案中，针脚12在生产过程中底部尺寸略大于顶部的尺寸，当针脚12插入针脚管13时，底部的尺寸略大会限制针脚12的位移，防止针脚12相对移动；实际上针脚12底部尺寸略大于或者等于顶部的尺寸都是可以的。
在一实施例中，连接器14包括弹簧装置，当针脚121插入针脚管13时，弹簧打开，当所属针脚完全进入针脚管13后，弹簧装置关闭限制针脚2移动，当弹簧装置再次打开，可取出针脚12。
本方案中，驱动电路板10和柔性电路板20通过连接器14连接后，要将两者分离时，只需将弹簧装置打开即可，可以将驱动电路板10随时取下，同时不影响下次继续使用，操作简单方便。
在一实施例中，连接器14存在旋转压板90，针脚管13位于旋转压板下，针脚12放入针脚管13中，旋转压板90压下固定针脚12，再次打开旋转压板90，可以取出针脚12。
本方案中，通过旋转压板90对针脚12和针脚管13进行固定，旋转压板90对针脚 12施加一定压力对针脚12进行限制，要将两者分离时，只需将旋转压板90打开即可，操作简单，方便工作人员运输搬运。
在一实施例中，柔性电路板20包括输出引线40、输入引线70、基材50和金属引线60，输出引线40和输入引线70位于柔性电路板20相对侧，基材50位于柔性电路板20中部，基材50包围金属引线60。
本方案中，柔性电路板20设置为生成显示面板的数据驱动信号，包括输出引线40、输入引线70、基材50和金属引线60，其中输出引线40和输入引线40位于柔性电路板20相对侧，有利于柔性电路板20与其他结构连接，同时基材50包围金属引线60，保护金属引线60不易折断。
在一实施例中，基材50为柔性材料。
本方案中，基材50的材料为柔性材料，可以有效地保护柔性电路板20中的金属引线60。
在一实施例中，输入引线40与显示面板30连接。
本方案中，柔性电路板20中输入引线70和输出引线40位于相对两侧，其中输入引线70与显示面板30连接，将柔性电路板20中的控制信号传输到显示面板30，对显示面板30进行控制。
在一实施例中，连接器14位于驱动电路板10中部。
本方案中，连接器14位于驱动电路板10中部，使得连接时受力在驱动电路板中部，没有在一端，对两端受力均匀，增加使用寿命。
在一实施例中，针脚12与针脚管13长度一样。
本方案中，针脚12与针脚管13长度一样，当针脚12完全插入针脚管13时，针脚12也刚好顶到针脚管13的底部，针脚12长度过长会暴露在空气中，对整体结构有影响，过短有可能影响连接效果。
在一实施例中，针脚管13的长度小于针脚12的长度。
本方案中，作为一种可替换的设计方案，针脚管13的长度小于针脚12的长度，保证针脚12可以深入到针脚管13，防止针脚12未完全接触导致的接触不良，实际设计中， 针脚管13长度也是略小于针脚12，保证针脚12不会出现过长的情况。
在一实施例中，连接器14靠近驱动电路板10侧边。
本方案中，连接器14靠近驱动电路板10的侧边，方便与柔性电路板20连接，同时在一侧也留出更多空间，方便操作。
如图1至4所示，本申请实施例还公开了一种显示面板的控制电路，包括：柔性电路板20，设置为成显示面板30的驱动信号；
驱动电路板10，设置为与显示面板30电连接；连接器14，固定在驱动电路板10上，位于驱动电路板10中部，连接器14靠近驱动电路板10侧边；柔性电路板20通过连接器14与驱动电路板10连接；
柔性电路板20包括输出引线40、输入引线70、基材50和金属引线60，输出引线40和输入引线70位于柔性电路板20相对侧，基材50位于柔性电路板20中部，基材50包围金属引线60，柔性电路板20与驱动电路板10连接的一侧为连接线11，连接线11为一排均匀分布的针脚12，连接器14与针脚12相对应的针脚管13，针脚12与针脚管13长度一样，当针脚12与针脚管13连接时，显示面板正常工作，点亮屏幕，连接器14存在旋转压板90，针脚12管位于旋转压板90下，针脚12放入针脚管13中，旋转压板90压下固定针脚12，再次打开旋转压板90，可以取出针脚12。
本方案中，柔性电路板20设置为生成显示面板的数据驱动信号，包括输出引线40、输入引线70、基材50和金属引线60，其中输出引线40和输入引线40位于柔性电路板20相对侧，有利于柔性电路板20与其他结构连接，同时基材50包围金属引线60，保护金属引线60不易折断。柔性电路板20中的源极薄膜芯片和驱动电路板10连接通过外部引线接合方式(OLB制程)连接，在制作过程中，要对柔性电路板20和驱动电路板10施加一定温度与压力，柔性电路板20和驱动电路板10会受热发生膨胀，容易发生接合错位或者各向异性导电胶膜被压坏的情况。一旦采用这种方法压接便不能在不做破坏的情况下使其分离，在运输过程中易使柔性电路板内部走线发生连接线断裂。通过连接器14连接柔性电路板20和驱动电路板10，可以避免发生接合错位或者各向异性导电胶膜被压坏。连接器14位于驱动电路板10中部，使得连接时受力在驱动电路板中部， 没有在一端，对两端受力均匀，增加使用寿命。连接线11取代之前的连接线，更加稳定，不易发生错位。针脚12对应一个个的连接接口，均匀分布的针脚12，使连接时柔性电路板20的受力更加均匀，减少断裂。针脚管13为针脚12提供了连接场所，方便针脚12插入，同时对针脚12有限制的作用，限制针脚121发生相对位移，当针脚12与针脚管13连接时，显示面板正常工作，点亮屏幕。针脚12与针脚管13长度一样，当针脚12完全插入针脚管13时，针脚12也刚好顶到针脚管13的底部，针脚12长度过长会暴露在空气中，对整体结构有影响，过短有可能影响连接效果。驱动电路板10和柔性电路板20通过连接器14连接，通过旋转压板90对针脚12和针脚管13进行固定，旋转压板90对针脚12施加一定压力对针脚进行限制，要将两者分离时，只需将旋转压板90打开即可，操作简单，方便工作人员运输搬运。
如图1至5所示，本申请实施例还公开了一种显示装置100，包括显示面板30及其控制电路，显示面板控制电路包括：柔性电路板20，设置为生成显示面板30的驱动信号；驱动电路板10，设置为与显示面板30连接；连接器14，固定在驱动电路板上；柔性电路板20通过连接器14与驱动电路板10连接。
本方案中，柔性电路板20和驱动电路板10连接通过外部引线接合方式(OLB制程)连接，在制作过程中，要对柔性电路板20和驱动电路板10施加一定温度与压力，柔性电路板20和驱动电路板10会受热发生膨胀，容易发生接合错位或者各向异性导电胶膜被压坏的情况。一旦采用这种方法压接便不能在不做破坏的情况下使其分离，在运输过程中易使柔性电路板内部走线发生连接线断裂。通过连接器连接柔性电路板20和驱动电路板10，可以避免发生接合错位或者各向异性导电胶膜被压坏。
在一实施例中，柔性电路板20与驱动电路板10连接的一侧为连接线11，连接线11为一排均匀分布的针脚12，连接器14与针脚12相对应的针脚管13，当针脚12与针脚管13连接时，显示面板正常工作，点亮屏幕。
本方案中，连接线11取代之前的连接方式，更加稳定，不易发生错位。针脚12对应一个个的连接接口，均匀分布的针脚12，使连接时柔性电路板的受力更加均匀，减少断裂。针脚管13为针脚12提供了连接场所，方便针脚12插入，同时对针脚12有限制 的作用，限制针2脚发生相对位移，当针脚12与针脚管13连接时，显示面板正常工作，点亮屏幕。
本申请的技术方案可以广泛用于TN面板(全称为Twisted Nematic，即扭曲向列型面板)、IPS面板(In-PaneSwitcing，平面转换)、VA面板(Multi-domain Vertica Alignment，多象限垂直配向技术)，当然，也可以是其他类型的面板，适用即可。
以上内容是结合具体的实施方式对本申请所作的详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本申请的保护范围。

Claims (17)

  1. 一种显示面板的控制电路，包括：
    柔性电路板，设置为生成显示面板的驱动信号；
    驱动电路板，与所述显示面板连接；以及
    连接器，固定在所述驱动电路板上；
    所述柔性电路板通过所述连接器与所述驱动电路板电连接。
  2. 如权利要求1所述的一种显示面板的控制电路，其中，所述柔性电路板与所述驱动电路板连接的一侧为连接线，所述连接线包括一排均匀分布的针脚，所述连接器包括与所述针脚相对应的针脚管，当所述针脚与所述针脚管连接时，显示面板正常工作，点亮屏幕。
  3. 如权利要求1所述的一种显示面板的控制电路，其中，所述柔性电路板包括源极驱动芯片，所述源极驱动芯片控制垂直方向信号。
  4. 如权利要求2所述的一种显示面板的控制电路，其中，所述针脚的横截面为圆形，所述针脚整体为圆柱状。
  5. 如权利要求2所述的一种显示面板的控制电路，其中，所述针脚底部的尺寸大于等于针脚顶部的尺寸。
  6. 如权利要求2所述的一种显示面板的控制电路，其中，所述连接器包括弹簧装置，当所述针脚插入所述针脚管时，所述弹簧装置打开，当所述针脚完全进入所述针脚管后，所述弹簧装置关闭限制针脚移动，当所述弹簧装置再次打开，可取出所述针脚。
  7. 如权利要求2所述的一种显示面板的控制电路，其中，所述连接器包括旋转压板，所述针脚管位于所述旋转压板下，所述针脚放入所述针脚管中，所述旋转压板压下固定所述针脚，再次打开旋转压板，可取出所述针脚。
  8. 如权利要求1所述的一种显示面板的控制电路，其中，所述柔性电路板包括输出引线、输入引线、基材和金属引线，所述输出引线和所述输入引线位于所述柔性电路板相对侧，所述基材位于所述柔性电路板中部，所述基材包围所述金属引线。
  9. 如权利要求8所述的一种显示面板的控制电路，其中，所述基材为柔性材料。
  10. 如权利要求8所述的一种显示面板的控制电路，其中，所述输入引线与所述显示面板连接。
  11. 如权利要求1所述的一种显示面板的控制电路，其中，所述连接器位于所述驱动电路板中部。
  12. 如权利要求2所述的一种显示面板的控制电路，其中，所述针脚与所述针脚管长度一样。
  13. 如权利要求2所述的一种显示面板的控制电路，其中，所述针脚管的长度小于所述针脚的长度。
  14. 如权利要求1所述的一种显示面板的控制电路，其中，所述连接器靠近所述驱动电路板侧边。
  15. 一种显示面板的控制电路，包括：
    柔性电路板，设置为生成显示面板的驱动信号；
    驱动电路板，设置为与显示面板电连接；以及
    连接器，固定在所述驱动电路板上，连接器位于所述驱动电路板中部，靠近所述驱动电路板侧边；所述柔性电路板通过连接器与驱动电路板电连接；
    所述柔性电路板包括输出引线、输入引线、基材和金属引线，所述输出引线和所述输入引线位于所述柔性电路板相对侧，所述基材位于所述柔性电路板中部，所述基材包围所述金属引线，所述柔性电路板与所述驱动电路板连接的一侧为连接线，所述连接线为一排均匀分布的针脚，所述连接器与所述针脚相对应的针脚管，所述针脚与所述针脚管长度一样，当所述针脚与所述针脚管连接时，显示面板正常工作，点亮屏幕，所述连接器存在旋转压板，所述针脚管位于所述旋转压板下，所述针脚放入所述针脚管中，所述旋转压板压下固定所述针脚，再次打开旋转压板，可以取出所述针脚。
  16. 一种显示装置，包括显示面板及其控制电路，所述显示面板控制电路包括：
    柔性电路板，设置为生成显示面板的驱动信号；
    驱动电路板，与所述显示面板连接；以及
    连接器，固定在所述驱动电路板上；
    所述柔性电路板通过所述连接器与所述驱动电路板电连接。
  17. 如权利要求16所述的一种显示装置，其中，所述柔性电路板与所述驱动电路板连接的一侧为连接线，所述连接线包括一排均匀分布的针脚，所述连接器包括与所述针脚相对应的针脚管，当所述针脚与所述针脚管连接时，显示面板正常工作，点亮屏幕。
PCT/CN2018/119996 2018-11-21 2018-12-10 显示面板的控制电路和显示装置 Ceased WO2020103216A1 (zh)

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