WO2020082467A1 - Display device - Google Patents

Display device Download PDF

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Publication number
WO2020082467A1
WO2020082467A1 PCT/CN2018/115946 CN2018115946W WO2020082467A1 WO 2020082467 A1 WO2020082467 A1 WO 2020082467A1 CN 2018115946 W CN2018115946 W CN 2018115946W WO 2020082467 A1 WO2020082467 A1 WO 2020082467A1
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WO
WIPO (PCT)
Prior art keywords
chip
electrically connected
board
system chip
display device
Prior art date
Application number
PCT/CN2018/115946
Other languages
French (fr)
Chinese (zh)
Inventor
王念茂
Original Assignee
深圳市华星光电半导体显示技术有限公司
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Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Publication of WO2020082467A1 publication Critical patent/WO2020082467A1/en

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    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13454—Drivers integrated on the active matrix substrate
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3696—Generation of voltages supplied to electrode drivers

Definitions

  • the present invention relates to the field of display technology, and particularly to a display device.
  • liquid crystal display devices Liquid Crystal Display, LCD
  • other flat panel display devices have gradually replaced cathode ray tube (Cathode Ray Tube, CRT) display devices.
  • the liquid crystal display device has many advantages such as a thin body, power saving, no radiation, etc., and is widely used.
  • liquid crystal display devices which include a liquid crystal display panel and a backlight module.
  • a liquid crystal display panel is composed of a color filter (CF) substrate, a thin film transistor (Thin Film Transistor, TFT) array substrate, a liquid crystal (LC) and a sealant sandwiched between the color film substrate and the thin film transistor array substrate Frame (Sealant) composition.
  • the working principle of the liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates. There are many vertical and horizontal small wires in the middle of the two glass substrates. The liquid crystal molecules can be controlled to change the direction by turning on or off the light of the backlight module Refracted to produce a picture.
  • FIG. 1 is a schematic structural diagram of a conventional display device, including a display panel 100, a chip on film (COF) 200 electrically connected to the display panel 100, and a timing controller electrically connected to the chip on film 200 Board (TCON) 300, flexible flat cable (FFC) 400 electrically connected to the timing control board 300, and a system chip board (SoC) 500 electrically connected to the flexible flat cable 400, wherein the flip chip 200 is provided
  • the active electrode driving chip 210, the timing controller board 300 is provided with a timing controller 310, the first memory chip 320 and the first DC voltage to DC voltage (DC / DC) module 330, and the system chip board 500 is provided with a system chip 510, a flash memory 520, a second storage chip 530, a second DC / DC module 540, and an AC voltage to DC voltage (AC / DC) module 550.
  • the structure of the external circuit board of the above display device is complicated and the cost is high.
  • the prior art will merge the timing controller board and the system chip board, but it will increase the weight of the combined circuit board. This makes it difficult to bond with the display panel through the flip chip, and the flip chip is likely to peel during transportation, and mass production is also difficult.
  • the object of the present invention is to provide a display device with a simple structure, high reliability and low cost.
  • the present invention first provides a display device, including: a display panel, a flip-chip film electrically connected to the display panel, a transmission board electrically connected to the flip-chip film, and a transmission board electrically Connected system chip board;
  • the flip chip includes a timing control and source driver chip electrically connected to the display panel; the system chip board includes a timing control and source driver chip electrically connected to the flip chip through the transmission board and has an overdrive function System chip.
  • the display device further includes a flexible flat cable, and the system chip board is electrically connected to the transmission board through the flexible flat cable.
  • the transmission board includes a first memory chip electrically connected to the timing control of the flip-chip film and the source driver chip.
  • the system chip board further includes a DC / DC module electrically connected to the system chip and electrically connected to the chip-on-film and timing control of the transmission board and the source driver chip.
  • the system chip board further includes a second memory chip electrically connected to the system chip, a flash memory electrically connected to the system chip, and an AC / DC module electrically connected to the DC / DC module.
  • the invention also provides a display device comprising: a display panel, a flexible printed circuit board electrically connected to the display panel, a connector electrically connected to the flexible printed circuit board, and an electrical connection to the connector A system chip board and a source driver electrically connected to the display panel;
  • the system chip board includes a system chip with a timing control function
  • the source driver chip is bonded on the display panel and is electrically connected to the flexible printed circuit board; or, the source driver chip is bonded on the flexible printed circuit board;
  • the system chip is electrically connected to the source driving chip through the connector and the flexible printed circuit board.
  • the flexible printed circuit board is electrically connected to the display panel in a bonding manner.
  • the system chip board further includes a DC / DC module electrically connected to the system chip.
  • the system chip board further includes a flash memory electrically connected to the system chip.
  • the system chip board further includes an AC / DC module electrically connected to the DC / DC module.
  • a display device provided by the present invention forms a timing control and source driving chip by integrating a timing controller and a source driving chip, or integrates the timing controller and a system chip and passes a flexible printed circuit
  • the board and the connector electrically connect the system chip board and the display panel, so that the area of the circuit board in the display device is greatly reduced, the number of chips is reduced, the structure is simple, the product cost is low, and the reliability is greatly improved.
  • FIG. 1 is a schematic structural diagram of a conventional display device
  • FIG. 2 is a schematic structural diagram of a first embodiment of a display device of the present invention.
  • FIG. 3 is a schematic structural diagram of a second embodiment of the display device of the present invention.
  • FIG. 4 is a schematic structural diagram of a third embodiment of the display device of the present invention.
  • the first embodiment of the display device of the present invention includes: a display panel 10, a flip chip 20 electrically connected to the display panel 10, a transmission board 30 electrically connected to the flip chip 20, A system chip board 40 electrically connected to the transmission board 30.
  • the flip chip 20 includes a timing control and source driver chip 21 electrically connected to the display panel 10.
  • the timing control and source driver chip 21 has all the functions of the source driver and the timing controller in the prior art. All functions except overdrive (OD), that is, the first embodiment of the present invention adopt a TID (TCON In Driver) design that integrates a source driver and a timing controller.
  • the system chip board 40 includes a system chip 41 having an over-driving function electrically connected to the timing control of the transmission board 30 and the flip chip 20 and the source driving chip 21.
  • the flip chip 20 is electrically connected to the display panel 10 and the transmission board 30 by bonding.
  • the display device further includes a flexible flat cable 50, and the system chip board 40 is electrically connected to the transmission board 30 through the flexible flat cable 50.
  • the transmission board 30 includes a first memory chip 31 electrically connected to the timing control of the flip-chip film 20 and the source driving chip 21.
  • the first memory chip 31 is a charged erasable programmable read-only memory (EEPROM).
  • EEPROM charged erasable programmable read-only memory
  • the system chip board 40 further includes a DC / DC module 42 electrically connected to the system chip 41 and electrically connected to the chip-on-film 20 through the timing control of the transmission board 30 and the source driver chip 21 .
  • the DC / DC module 42 is a power management chip (PMIC).
  • PMIC power management chip
  • the system chip board 40 further includes a second memory chip 43 electrically connected to the system chip 41, a flash memory 44 electrically connected to the system chip 41, and electrically connected to the DC / DC module 42 Connected AC / DC module 45.
  • the second memory chip 43 is a charged erasable programmable read-only memory (EEPROM).
  • EEPROM charged erasable programmable read-only memory
  • the timing control and the location on the flip-chip film 20 are obtained.
  • the source drives the chip 21, and at the same time adds an overdrive function to the system chip 41, and integrates the existing DC / DC module on the timing controller board with the DC / DC module on the system chip board.
  • the original timing controller board is provided with only the first memory chip 31 to become the transmission board 30 with a signal transmission function, thereby making the display
  • the area of the circuit board in the device is greatly reduced, the cost is reduced, and at the same time, the bonding of the flip chip 20, the transmission board 30 and the display panel 10 is not affected, and the reliability of the product is improved.
  • a second embodiment of the display device of the present invention includes: a display panel 10 ', a flexible printed circuit board (FPC) 20' electrically connected to the display panel 10 ', and the flexible printed circuit board 20 'an electrically connected connector 30', a system chip board 40 'electrically connected to the connector 30', and a source driver 50 'electrically connected to the display panel 10'.
  • FPC flexible printed circuit board
  • the system chip board 40 ' includes a system chip 41' having a timing control function.
  • the source driver chip 50 ' is bonded on the display panel 10' and electrically connected to the flexible printed circuit board 20 '.
  • the system chip 41 ' is electrically connected to the source driving chip 50' through the connector 30 'and the flexible printed circuit board 20'.
  • the flexible printed circuit board 20 ' is electrically connected to the display panel 10' by bonding.
  • the system chip board 40 'further includes a DC / DC module 42' electrically connected to the system chip 41 '.
  • the DC / DC module 42 ' is a PMIC.
  • the system chip board 40 'further includes a flash memory 43' electrically connected to the system chip 41 '.
  • the system chip board 40 'further includes an AC / DC module 45' electrically connected to the DC / DC module 42 '.
  • a system chip 41 ′ with a timing control function is provided on the system chip board 40 ′, that is, the timing controller in the prior art and the system chip are integrated, and the The source driver chip 50 'is directly bonded to the display panel 10', one end of the flexible printed circuit board 20 'is bonded to the display panel 10', and the other end of the flexible printed circuit board 20 'is connected to the system through the connector 30'
  • the control function makes the overall weight of the system chip board 40 'heavier, but because the system chip board 40' and the flexible printed circuit board 20 'are not electrically connected by bonding but electrically connected by the connector 30', the connection effect is good , The difficulty of assembly is reduced, and the reliability is high
  • the difference between the third embodiment of the present invention and the second embodiment described above is that the source driver chip 50 'is bonded on the flexible printed circuit board 20', and the rest are the same as the second embodiment The same, no more details here.
  • the source driver chip 50 ' is changed from bonding on the display panel 10' to directly bonding on the flexible printed circuit board 20 ' , While reducing the area of the circuit board in the display device to reduce product cost, reduce assembly difficulty, and improve product reliability, it also enhances the heat dissipation performance of the source driver chip 50 ', further improving the reliability of the product, and this
  • the panel manufacturer only needs a custom-made process to bond the flexible printed circuit board 20 'to the display panel 10' during the manufacturing process, and the manufacturing process is simple.
  • the display device of the present invention forms the timing control and source driving chip by integrating the timing controller and the source driving chip, or integrates the timing controller and the system chip and passes through the flexible printed circuit board and the connector
  • the system chip board and the display panel are electrically connected, so that the area of the circuit board in the display device is greatly reduced, the number of chips is reduced, the structure is simple, the product cost is lower, and the reliability is greatly improved.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A display device. A timing controller is integrated with a source drive chip so as to form a timing control and source drive chip (21), or the timing controller is integrated with a system on chip, and a system on chip board (40') is electrically connected to a display panel (10') by means of a flexible printed circuit board (20') and a connector.

Description

显示装置Display device 技术领域Technical field
本发明涉及显示技术领域，尤其涉及一种显示装置。The present invention relates to the field of display technology, and particularly to a display device.
背景技术Background technique
在显示技术领域，液晶显示装置(Liquid Crystal Display，LCD)等平板显示装置已经逐步取代阴极射线管(Cathode Ray Tube，CRT)显示装置。液晶显示装置具有机身薄、省电、无辐射等众多优点，得到了广泛的应用。In the field of display technology, liquid crystal display devices (Liquid Crystal Display, LCD) and other flat panel display devices have gradually replaced cathode ray tube (Cathode Ray Tube, CRT) display devices. The liquid crystal display device has many advantages such as a thin body, power saving, no radiation, etc., and is widely used.
现有市场上的液晶显示装置大部分为背光型液晶显示装置，其包括液晶显示面板及背光模组(backlight module)。通常液晶显示面板由彩膜(Color Filter，CF)基板、薄膜晶体管(Thin Film Transistor，TFT)阵列基板、夹于彩膜基板与薄膜晶体管阵列基板之间的液晶(Liquid Crystal，LC)及密封胶框(Sealant)组成。液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子，两片玻璃基板中间有许多垂直和水平的细小电线，通过通电与否来控制液晶分子改变方向，将背光模组的光线折射出来产生画面。Most of the liquid crystal display devices on the existing market are backlight type liquid crystal display devices, which include a liquid crystal display panel and a backlight module. Generally, a liquid crystal display panel is composed of a color filter (CF) substrate, a thin film transistor (Thin Film Transistor, TFT) array substrate, a liquid crystal (LC) and a sealant sandwiched between the color film substrate and the thin film transistor array substrate Frame (Sealant) composition. The working principle of the liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates. There are many vertical and horizontal small wires in the middle of the two glass substrates. The liquid crystal molecules can be controlled to change the direction by turning on or off the light of the backlight module Refracted to produce a picture.
请参阅图1，为现有的一种显示装置的结构示意图，包括显示面板100、与显示面板100电性连接的覆晶薄膜(COF)200、与覆晶薄膜200电性连接的时序控制器板(TCON Board)300、与时序控制板300电性连接的柔性扁平电缆(FFC)400以及与柔性扁平电缆400电性连接的***芯片板(SoC Board)500，其中，覆晶薄膜200上设有源极驱动芯片210，时序控制器板300上设有时序控制器310、第一存储芯片320及第一直流电压转直流电压(DC/DC)模块330，***芯片板500上设有***芯片510、闪存520、第二存储芯片530、第二DC/DC模块540及交流电压转直流电压(AC/DC)模块550。上述显示装置的外置电路板的结构复杂，成本较高，为了节省材料、降低成本，现有技术会将时序控制器板及***芯片板进行合并，但会使得合并后的电路板重量增加，使得其通过覆晶薄膜与显示面板邦定较为困难，且在运输过程中覆晶薄膜容易发生剥离(peeling)，量产也比较困难。Please refer to FIG. 1, which is a schematic structural diagram of a conventional display device, including a display panel 100, a chip on film (COF) 200 electrically connected to the display panel 100, and a timing controller electrically connected to the chip on film 200 Board (TCON) 300, flexible flat cable (FFC) 400 electrically connected to the timing control board 300, and a system chip board (SoC) 500 electrically connected to the flexible flat cable 400, wherein the flip chip 200 is provided The active electrode driving chip 210, the timing controller board 300 is provided with a timing controller 310, the first memory chip 320 and the first DC voltage to DC voltage (DC / DC) module 330, and the system chip board 500 is provided with a system chip 510, a flash memory 520, a second storage chip 530, a second DC / DC module 540, and an AC voltage to DC voltage (AC / DC) module 550. The structure of the external circuit board of the above display device is complicated and the cost is high. In order to save materials and reduce costs, the prior art will merge the timing controller board and the system chip board, but it will increase the weight of the combined circuit board. This makes it difficult to bond with the display panel through the flip chip, and the flip chip is likely to peel during transportation, and mass production is also difficult.
发明内容Summary of the invention
本发明的目的在于提供一种显示装置，结构简单，可靠性高，成本低。The object of the present invention is to provide a display device with a simple structure, high reliability and low cost.
为实现上述目的，本发明首先提供一种显示装置，包括：显示面板、 与所述显示面板电性连接的覆晶薄膜、与所述覆晶薄膜电性连接的传输板、与传输板电性连接的***芯片板；In order to achieve the above object, the present invention first provides a display device, including: a display panel, a flip-chip film electrically connected to the display panel, a transmission board electrically connected to the flip-chip film, and a transmission board electrically Connected system chip board;
所述覆晶薄膜包括与显示面板电性连接的时序控制及源极驱动芯片；所述***芯片板包括经传输板与覆晶薄膜的时序控制及源极驱动芯片电性连接的具有过驱动功能的***芯片。The flip chip includes a timing control and source driver chip electrically connected to the display panel; the system chip board includes a timing control and source driver chip electrically connected to the flip chip through the transmission board and has an overdrive function System chip.
所述显示装置还包括柔性扁平电缆，所述***芯片板通过所述柔性扁平电缆与传输板电性连接。The display device further includes a flexible flat cable, and the system chip board is electrically connected to the transmission board through the flexible flat cable.
所述传输板包括与所述覆晶薄膜的时序控制及源极驱动芯片电性连接的第一存储芯片。The transmission board includes a first memory chip electrically connected to the timing control of the flip-chip film and the source driver chip.
所述***芯片板还包括与所述***芯片电性连接并经所述传输板与覆晶薄膜的时序控制及源极驱动芯片电性连接的DC/DC模块。The system chip board further includes a DC / DC module electrically connected to the system chip and electrically connected to the chip-on-film and timing control of the transmission board and the source driver chip.
所述***芯片板还包括与所述***芯片电性连接的第二存储芯片、与所述***芯片电性连接的闪存以及与所述DC/DC模块电性连接的AC/DC模块。The system chip board further includes a second memory chip electrically connected to the system chip, a flash memory electrically connected to the system chip, and an AC / DC module electrically connected to the DC / DC module.
本发明还提供一种显示装置，包括：显示面板、与所述显示面板电性连接的柔性印刷电路板、与所述柔性印刷电路板电性连接的连接器、与所述连接器电性连接的***芯片板以及与所述显示面板电性连接的源极驱动器；The invention also provides a display device comprising: a display panel, a flexible printed circuit board electrically connected to the display panel, a connector electrically connected to the flexible printed circuit board, and an electrical connection to the connector A system chip board and a source driver electrically connected to the display panel;
所述***芯片板包括具有时序控制功能的***芯片；The system chip board includes a system chip with a timing control function;
所述源极驱动芯片邦定在所述显示面板上并与所述柔性印刷电路板电性连接；或者，所述源极驱动芯片邦定在所述柔性印刷电路板上；The source driver chip is bonded on the display panel and is electrically connected to the flexible printed circuit board; or, the source driver chip is bonded on the flexible printed circuit board;
所述***芯片通过所述连接器及柔性印刷电路板与所述源极驱动芯片电性连接。The system chip is electrically connected to the source driving chip through the connector and the flexible printed circuit board.
所述柔性印刷电路板通过邦定的方式与所述显示面板电性连接。The flexible printed circuit board is electrically connected to the display panel in a bonding manner.
所述***芯片板还包括与所述***芯片电性连接的DC/DC模块。The system chip board further includes a DC / DC module electrically connected to the system chip.
所述***芯片板还包括与所述***芯片电性连接的闪存。The system chip board further includes a flash memory electrically connected to the system chip.
所述***芯片板还包括与所述DC/DC模块电性连接的AC/DC模块。The system chip board further includes an AC / DC module electrically connected to the DC / DC module.
本发明的有益效果：本发明提供的一种显示装置通过将时序控制器与源极驱动芯片进行整合形成时序控制及源极驱动芯片，或者将时序控制器与***芯片进行整合并通过柔性印刷电路板及连接器将***芯片板与显示面板电性连接，从而使得显示装置中电路板的面积大大减小，芯片数量降低，结构简单，产品成本较低，且可靠性大大提升。Beneficial effect of the present invention: A display device provided by the present invention forms a timing control and source driving chip by integrating a timing controller and a source driving chip, or integrates the timing controller and a system chip and passes a flexible printed circuit The board and the connector electrically connect the system chip board and the display panel, so that the area of the circuit board in the display device is greatly reduced, the number of chips is reduced, the structure is simple, the product cost is low, and the reliability is greatly improved.
附图说明BRIEF DESCRIPTION
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are provided for reference and explanation only, and are not intended to limit the present invention.
附图中，In the drawings,
图1为现有的一种显示装置的结构示意图；FIG. 1 is a schematic structural diagram of a conventional display device;
图2为本发明的显示装置的第一实施例的结构示意图；2 is a schematic structural diagram of a first embodiment of a display device of the present invention;
图3为本发明的显示装置的第二实施例的结构示意图；3 is a schematic structural diagram of a second embodiment of the display device of the present invention;
图4为本发明的显示装置的第三实施例的结构示意图。4 is a schematic structural diagram of a third embodiment of the display device of the present invention.
具体实施方式detailed description
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。In order to further elaborate on the technical means adopted by the present invention and its effects, the following will be described in detail with reference to the preferred embodiments of the present invention and the accompanying drawings.
请参阅图2，本发明显示装置的第一实施例包括：显示面板10、与所述显示面板10电性连接的覆晶薄膜20、与所述覆晶薄膜20电性连接的传输板30、与传输板30电性连接的***芯片板40。Referring to FIG. 2, the first embodiment of the display device of the present invention includes: a display panel 10, a flip chip 20 electrically connected to the display panel 10, a transmission board 30 electrically connected to the flip chip 20, A system chip board 40 electrically connected to the transmission board 30.
所述覆晶薄膜20包括与显示面板10电性连接的时序控制及源极驱动芯片21，该时序控制及源极驱动芯片21具有现有技术中源极驱动器的全部功能以及时序控制器的除了过驱动(OD)以外的全部功能，也即本发明的第一实施例采用将源极驱动器及时序控制器进行整合的TID(TCON In Driver)设计。所述***芯片板40包括经传输板30与覆晶薄膜20的时序控制及源极驱动芯片21电性连接的具有过驱动功能的***芯片41。The flip chip 20 includes a timing control and source driver chip 21 electrically connected to the display panel 10. The timing control and source driver chip 21 has all the functions of the source driver and the timing controller in the prior art. All functions except overdrive (OD), that is, the first embodiment of the present invention adopt a TID (TCON In Driver) design that integrates a source driver and a timing controller. The system chip board 40 includes a system chip 41 having an over-driving function electrically connected to the timing control of the transmission board 30 and the flip chip 20 and the source driving chip 21.
优选地，所述覆晶薄膜20通过邦定的方式与显示面板10及传输板30电性连接。Preferably, the flip chip 20 is electrically connected to the display panel 10 and the transmission board 30 by bonding.
具体地，所述显示装置还包括柔性扁平电缆50，所述***芯片板40通过所述柔性扁平电缆50与传输板30电性连接。Specifically, the display device further includes a flexible flat cable 50, and the system chip board 40 is electrically connected to the transmission board 30 through the flexible flat cable 50.
具体地，所述传输板30包括与所述覆晶薄膜20的时序控制及源极驱动芯片21电性连接的第一存储芯片31。Specifically, the transmission board 30 includes a first memory chip 31 electrically connected to the timing control of the flip-chip film 20 and the source driving chip 21.
优选地，所述第一存储芯片31为带电可擦可编程只读存储器(EEPROM)。Preferably, the first memory chip 31 is a charged erasable programmable read-only memory (EEPROM).
具体地，所述***芯片板40还包括与所述***芯片41电性连接并经所述传输板30与覆晶薄膜20的时序控制及源极驱动芯片21电性连接的DC/DC模块42。Specifically, the system chip board 40 further includes a DC / DC module 42 electrically connected to the system chip 41 and electrically connected to the chip-on-film 20 through the timing control of the transmission board 30 and the source driver chip 21 .
优选地，所述DC/DC模块42为电源管理芯片(PMIC)。Preferably, the DC / DC module 42 is a power management chip (PMIC).
具体地，所述***芯片板40还包括与所述***芯片41电性连接的第二存储芯片43、与所述***芯片41电性连接的闪存44以及与所述DC/DC模块42电性连接的AC/DC模块45。Specifically, the system chip board 40 further includes a second memory chip 43 electrically connected to the system chip 41, a flash memory 44 electrically connected to the system chip 41, and electrically connected to the DC / DC module 42 Connected AC / DC module 45.
优选地，所述第二存储芯片43为带电可擦可编程只读存储器(EEPROM)。Preferably, the second memory chip 43 is a charged erasable programmable read-only memory (EEPROM).
需要说明的是，本发明的显示装置的第一实施例中通过将现有技术的时序控制器中除了过驱动部分以外的部分与源极驱动器进行整合，得到位于覆晶薄膜20的时序控制及源极驱动芯片21，同时在***芯片41中增加过驱动功能，并且将现有的时序控制器板上的DC/DC模块与***芯片板上的DC/DC模块进行整合，使得在本发明的第一实施例中仅在***芯片板40上设置DC/DC模块42，而原有的时序控制器板上仅设置第一存储芯片31从而变成具有信号传输功能的传输板30，从而使得显示装置中电路板的面积大大减小，成本降低，同时不影响覆晶薄膜20与传输板30及显示面板10的邦定，提升产品的可靠性。It should be noted that, in the first embodiment of the display device of the present invention, by integrating the portion of the conventional timing controller except for the overdrive portion with the source driver, the timing control and the location on the flip-chip film 20 are obtained. The source drives the chip 21, and at the same time adds an overdrive function to the system chip 41, and integrates the existing DC / DC module on the timing controller board with the DC / DC module on the system chip board. In the first embodiment, only the DC / DC module 42 is provided on the system chip board 40, and the original timing controller board is provided with only the first memory chip 31 to become the transmission board 30 with a signal transmission function, thereby making the display The area of the circuit board in the device is greatly reduced, the cost is reduced, and at the same time, the bonding of the flip chip 20, the transmission board 30 and the display panel 10 is not affected, and the reliability of the product is improved.
请参阅图3，本发明的显示装置的第二实施例包括：显示面板10’、与所述显示面板10’电性连接的柔性印刷电路板(FPC)20’、与所述柔性印刷电路板20’电性连接的连接器30’、与所述连接器30’电性连接的***芯片板40’以及与所述显示面板10’电性连接的源极驱动器50’。3, a second embodiment of the display device of the present invention includes: a display panel 10 ', a flexible printed circuit board (FPC) 20' electrically connected to the display panel 10 ', and the flexible printed circuit board 20 'an electrically connected connector 30', a system chip board 40 'electrically connected to the connector 30', and a source driver 50 'electrically connected to the display panel 10'.
所述***芯片板40’包括具有时序控制功能的***芯片41’。The system chip board 40 'includes a system chip 41' having a timing control function.
所述源极驱动芯片50’邦定在所述显示面板10’上并与所述柔性印刷电路板20’电性连接。所述***芯片41’通过所述连接器30’及柔性印刷电路板20’与所述源极驱动芯片50’电性连接。The source driver chip 50 'is bonded on the display panel 10' and electrically connected to the flexible printed circuit board 20 '. The system chip 41 'is electrically connected to the source driving chip 50' through the connector 30 'and the flexible printed circuit board 20'.
具体地，所述柔性印刷电路板20’通过邦定的方式与所述显示面板10’电性连接。Specifically, the flexible printed circuit board 20 'is electrically connected to the display panel 10' by bonding.
具体地，所述***芯片板40’还包括与所述***芯片41’电性连接的DC/DC模块42’。Specifically, the system chip board 40 'further includes a DC / DC module 42' electrically connected to the system chip 41 '.
优选地，所述DC/DC模块42’为PMIC。Preferably, the DC / DC module 42 'is a PMIC.
具体地，所述***芯片板40’还包括与所述***芯片41’电性连接的闪存43’。Specifically, the system chip board 40 'further includes a flash memory 43' electrically connected to the system chip 41 '.
具体地，所述***芯片板40’还包括与所述DC/DC模块42’电性连接的AC/DC模块45’。Specifically, the system chip board 40 'further includes an AC / DC module 45' electrically connected to the DC / DC module 42 '.
需要说明的是，本发明的第二实施例中，在***芯片板40’上设置具有时序控制功能的***芯片41’，也即将现有技术中的时序控制器与***芯片进行整合，同时将源极驱动芯片50’直接邦定在显示面板10’上，将柔性印 刷电路板20’的一端与显示面板10’邦定，将柔性印刷电路板20’的另一端通过连接器30’与***芯片板40’邦定，省去了现有技术中的时序控制器板，减少了显示装置中电路板的面积，降低产品的成本，虽然***芯片板40’的***芯片41’由于整合了时序控制功能而使得***芯片板40’整体重量加重，但由于***芯片板40’与柔性印刷电路板20’并非通过邦定的方式电性连接而是通过连接器30’电性连接，连接效果好，组装困难度降低，且可靠性较高。It should be noted that, in the second embodiment of the present invention, a system chip 41 ′ with a timing control function is provided on the system chip board 40 ′, that is, the timing controller in the prior art and the system chip are integrated, and the The source driver chip 50 'is directly bonded to the display panel 10', one end of the flexible printed circuit board 20 'is bonded to the display panel 10', and the other end of the flexible printed circuit board 20 'is connected to the system through the connector 30' The chip board 40 'is bonded, eliminating the timing controller board in the prior art, reducing the area of the circuit board in the display device, and reducing the cost of the product, although the system chip 41' of the system chip board 40 'due to the integrated timing The control function makes the overall weight of the system chip board 40 'heavier, but because the system chip board 40' and the flexible printed circuit board 20 'are not electrically connected by bonding but electrically connected by the connector 30', the connection effect is good , The difficulty of assembly is reduced, and the reliability is high.
请参阅图4，本发明的第三实施例与上述第二实施例的区别在于，所述源极驱动芯片50’邦定在所述柔性印刷电路板20’上，其余均与第二实施例相同，在此不再赘述。Referring to FIG. 4, the difference between the third embodiment of the present invention and the second embodiment described above is that the source driver chip 50 'is bonded on the flexible printed circuit board 20', and the rest are the same as the second embodiment The same, no more details here.
需要说明的是，本发明的第三实施例在第二实施例的基础上，将源极驱动芯片50’由邦定在显示面板10’上改为直接邦定在柔性印刷电路板20’上，在减少了显示装置中电路板的面积以降低产品成本、降低组装困难度、提升产品可靠性的同时，还增强了源极驱动芯片50’的散热性能，进一步提升产品的可靠性，并且本发明的第三实施例在制作时面板制作厂仅需要一道邦定制程将柔性印刷电路板20’邦定在显示面板10’上即可，制程简单。It should be noted that, in the third embodiment of the present invention, on the basis of the second embodiment, the source driver chip 50 'is changed from bonding on the display panel 10' to directly bonding on the flexible printed circuit board 20 ' , While reducing the area of the circuit board in the display device to reduce product cost, reduce assembly difficulty, and improve product reliability, it also enhances the heat dissipation performance of the source driver chip 50 ', further improving the reliability of the product, and this In the third embodiment of the invention, the panel manufacturer only needs a custom-made process to bond the flexible printed circuit board 20 'to the display panel 10' during the manufacturing process, and the manufacturing process is simple.
综上所述，本发明的显示装置通过将时序控制器与源极驱动芯片进行整合形成时序控制及源极驱动芯片，或者将时序控制器与***芯片进行整合并通过柔性印刷电路板及连接器将***芯片板与显示面板电性连接，从而使得显示装置中电路板的面积大大减小，芯片数量降低，结构简单，产品成本较低，且可靠性大大提升。In summary, the display device of the present invention forms the timing control and source driving chip by integrating the timing controller and the source driving chip, or integrates the timing controller and the system chip and passes through the flexible printed circuit board and the connector The system chip board and the display panel are electrically connected, so that the area of the circuit board in the display device is greatly reduced, the number of chips is reduced, the structure is simple, the product cost is lower, and the reliability is greatly improved.
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。As mentioned above, for those of ordinary skill in the art, various other corresponding changes and modifications can be made according to the technical solutions and technical concepts of the present invention, and all these changes and modifications should fall within the protection scope of the claims of the present invention .

Claims (10)

  1. 一种显示装置，包括：显示面板、与所述显示面板电性连接的覆晶薄膜、与所述覆晶薄膜电性连接的传输板、与传输板电性连接的***芯片板；A display device includes: a display panel, a flip-chip film electrically connected to the display panel, a transmission board electrically connected to the flip-chip film, and a system chip board electrically connected to the transmission board;
    所述覆晶薄膜包括与显示面板电性连接的时序控制及源极驱动芯片；所述***芯片板包括经传输板与覆晶薄膜的时序控制及源极驱动芯片电性连接的具有过驱动功能的***芯片。The flip chip includes a timing control and source driver chip electrically connected to the display panel; the system chip board includes a timing control and source driver chip electrically connected to the flip chip through the transmission board and has an overdrive function System chip.
  2. 如权利要求1所述的显示装置，还包括柔性扁平电缆，所述***芯片板通过所述柔性扁平电缆与传输板电性连接。The display device according to claim 1, further comprising a flexible flat cable, and the system chip board is electrically connected to the transmission board through the flexible flat cable.
  3. 如权利要求1所述的显示装置，其中，所述传输板包括与所述覆晶薄膜的时序控制及源极驱动芯片电性连接的第一存储芯片。The display device according to claim 1, wherein the transmission board includes a first memory chip electrically connected to the timing control and source driver chip of the flip chip.
  4. 如权利要求1所述的显示装置，其中，所述***芯片板还包括与所述***芯片电性连接并经所述传输板与覆晶薄膜的时序控制及源极驱动芯片电性连接的DC/DC模块。The display device according to claim 1, wherein the system chip board further comprises a DC electrically connected to the system chip and electrically connected to the source chip through the timing control of the transmission board and the flip chip / DC module.
  5. 如权利要求4所述的显示装置，其中，所述***芯片板还包括与所述***芯片电性连接的第二存储芯片、与所述***芯片电性连接的闪存以及与所述DC/DC模块电性连接的AC/DC模块。The display device according to claim 4, wherein the system chip board further includes a second memory chip electrically connected to the system chip, a flash memory electrically connected to the system chip, and the DC / DC AC / DC module with module electrically connected.
  6. 一种显示装置，包括：显示面板、与所述显示面板电性连接的柔性印刷电路板、与所述柔性印刷电路板电性连接的连接器、与所述连接器电性连接的***芯片板以及与所述显示面板电性连接的源极驱动器；A display device includes: a display panel, a flexible printed circuit board electrically connected to the display panel, a connector electrically connected to the flexible printed circuit board, and a system chip board electrically connected to the connector And a source driver electrically connected to the display panel;
    所述***芯片板包括具有时序控制功能的***芯片；The system chip board includes a system chip with a timing control function;
    所述源极驱动芯片邦定在所述显示面板上并与所述柔性印刷电路板电性连接；或者，所述源极驱动芯片邦定在所述柔性印刷电路板上；The source driver chip is bonded on the display panel and is electrically connected to the flexible printed circuit board; or, the source driver chip is bonded on the flexible printed circuit board;
    所述***芯片通过所述连接器及柔性印刷电路板与所述源极驱动芯片电性连接。The system chip is electrically connected to the source driving chip through the connector and the flexible printed circuit board.
  7. 如权利要求6所述的显示装置，其中，所述柔性印刷电路板通过邦定的方式与所述显示面板电性连接。The display device according to claim 6, wherein the flexible printed circuit board is electrically connected to the display panel in a bonding manner.
  8. 如权利要求6所述的显示装置，其中，所述***芯片板还包括与所述***芯片电性连接的DC/DC模块。The display device of claim 6, wherein the system chip board further comprises a DC / DC module electrically connected to the system chip.
  9. 如权利要求6所述的显示装置，其中，所述***芯片板还包括与所述***芯片电性连接的闪存。The display device according to claim 6, wherein the system chip board further includes a flash memory electrically connected to the system chip.
  10. 如权利要求8所述的显示装置，其中，所述***芯片板还包括与 所述DC/DC模块电性连接的AC/DC模块。The display device according to claim 8, wherein the system chip board further includes an AC / DC module electrically connected to the DC / DC module.
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