WO2019165889A1 - Dispositif d'affichage à cristaux liquides et appareil électronique - Google Patents

Dispositif d'affichage à cristaux liquides et appareil électronique Download PDF

Info

Publication number
WO2019165889A1
WO2019165889A1 PCT/CN2019/074917 CN2019074917W WO2019165889A1 WO 2019165889 A1 WO2019165889 A1 WO 2019165889A1 CN 2019074917 W CN2019074917 W CN 2019074917W WO 2019165889 A1 WO2019165889 A1 WO 2019165889A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass substrate
backlight module
fpc
display device
disposed
Prior art date
Application number
PCT/CN2019/074917
Other languages
English (en)
Chinese (zh)
Inventor
尹帮实
严斌
薛康乐
刘秀兰
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2019165889A1 publication Critical patent/WO2019165889A1/fr

Links

Images

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
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • 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
    • 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
    • G02F1/13458—Terminal pads

Definitions

  • the present application relates to the field of display technologies, and in particular, to an LCD display device and an electronic device.
  • liquid crystal is injected into the effective display area of the LCD display device to display information for the user of the electronic device; the non-effective display area of the LCD display device is used for setting An integrated circuit (IC) chip for controlling an LCD display device, a related component, and a control circuit.
  • IC integrated circuit
  • the IC chip is disposed on the FPC connection line instead of the ineffective display area of the LCD display device. To some extent, the IC chip's occupation of non-effective display space is reduced.
  • a first aspect of the present application provides an LCD display device installed in an electronic device for presenting information to a user, the LCD display device comprising: a glass substrate, a backlight module, and a flexible circuit board FPC;
  • the glass substrate and the backlight module are disposed in abutting manner, the glass substrate and the backlight module are provided with a notch at a first edge of the ineffective display area, the notch of the glass substrate and the backlight module a notch for receiving a bent section of the FPC;
  • the FPC includes a bending segment and a first body segment and a second body segment connected to both ends of the bending segment, the FPC being electrically coupled to the glass by N pads at a first end of the first body segment N pads on the substrate, wherein N is a positive integer; the FPC is located at a second end of the second body segment electrically coupled to the main board of the electronic device.
  • the LCD display device further includes: an integrated circuit IC chip;
  • the IC chip is disposed on a side of the glass substrate away from the backlight module, and the M pins of the IC chip are connected to N pads on the glass substrate through signal lines on the glass substrate. M pads, where M is a positive integer.
  • the LCD display device further includes: an integrated circuit IC chip;
  • the IC chip is disposed in a second body segment of the FPC, and the M pins of the IC chip are connected to M pads of the N pads on the glass substrate through the FPC, wherein A positive integer.
  • the N pads disposed on the glass substrate are disposed on a side of the glass substrate away from the backlight module, the IC chip and the first edge. a non-effective display area on both sides of the parallel direction;
  • the first body segment is disposed on a side of the glass substrate away from the backlight module, and the second body segment is disposed on a side of the backlight module away from the glass substrate.
  • the N pads disposed on the glass substrate are disposed on a side of the glass substrate adjacent to the backlight module;
  • the first body segment is disposed on a side of the backlight module adjacent to the glass substrate, and the second body segment is disposed on a side of the backlight module away from the glass substrate;
  • the glass substrate includes: N conductive vias for connecting the signal line of the glass substrate adjacent to the backlight module side and the signal line away from the backlight module side.
  • the backlight module is provided with a slot near a side of the glass substrate, and the slot is configured to receive a first body segment of the FPC.
  • the first body segment of the FPC is connected to the second body segment by a plurality of juxtaposed bend segments, and the glass substrate and the backlight module are A plurality of notches corresponding to the plurality of bent segments are disposed at a first edge of the non-effective display area for accommodating the plurality of bent segments.
  • the width of the notch is equal to the width of the first edge of the glass substrate and the backlight module.
  • the first edge of the glass substrate and the backlight module is provided with a notch for receiving the FPC bent portion, so that the most prominent portion of the FPC bent portion can be limited to The backlight module and the first edge of the glass substrate are within.
  • a conductive via is also provided on the TFT glass to place the pad on the TFT glass on the side close to the backlight module. The FPC bent portion can be accommodated in the notch without protruding the first edge of the electronic device, thereby reducing the size of the non-effective display area of the LCD display device.
  • a second aspect of the present application provides an LCD display device mounted in an electronic device for presenting information to a user, the LCD display device comprising: a glass substrate, a backlight module, a flexible circuit board FPC, and an integrated circuit An IC chip and N conductive vias, wherein N is a positive integer;
  • the FPC includes a bending section and a first body segment and a second body segment connected to both ends of the bending segment, the first body segment being disposed on a side of the backlight module adjacent to the glass substrate, The second body segment is disposed on a side of the backlight module away from the glass substrate; the FPC is located at a first end of the first body segment and is electrically coupled to the N pads on the glass substrate through N pads.
  • N is a positive integer
  • the FPC is electrically coupled to the motherboard of the electronic device at a second end of the second body segment
  • the IC chip is disposed at a side of the glass substrate away from the backlight module
  • the M pins of the IC chip are connected to M pads of the N pads on the glass substrate, wherein M is a positive integer
  • the first body segment of the FPC is connected to the second body segment by a plurality of juxtaposed bend segments, and the glass substrate and the backlight module are disposed at the first edge of the ineffective display area a plurality of notches corresponding to the bending segments for accommodating the plurality of bending segments;
  • the N conductive vias are disposed on the glass substrate for electrically coupling N pads on the glass substrate and signal lines disposed on a side of the glass substrate away from the backlight module.
  • the first edge of the glass substrate and the backlight module is provided with a notch for accommodating the FPC bent portion, so that the most prominent portion of the FPC bent portion can be limited to The backlight module and the first edge of the glass substrate are within.
  • a conductive via is also provided on the TFT glass to place the pad on the TFT glass on the side close to the backlight module.
  • a third aspect of the present invention provides an electronic device comprising the LCD display device according to any of the above embodiments.
  • the LCD display device of the electronic device is provided with a notch for accommodating the FPC bent portion at the first edge of the glass substrate and the backlight module, so that the FPC bent portion is The most prominent portion can be confined within the first edge of the backlight module and the glass substrate.
  • a conductive via is also provided on the TFT glass to place the pad on the TFT glass on the side close to the backlight module.
  • FIG. 1A is a schematic structural diagram of an electronic device according to the present application.
  • 1B is a schematic diagram showing the display of an electronic device according to the present application.
  • FIG. 2 is a schematic structural view of an LCD display device
  • 3A is a schematic structural view of an FPC in an LCD display device using COG technology in a non-bending state
  • FIG. 3B is a schematic structural view of the FPC in the LCD display device adopting the COG technology in a bent state
  • FIG. 4 is a schematic cross-sectional structural view of the A-A direction when the FPC is in a bent state in an LCD display device using COG technology;
  • 5A is a schematic structural view of an FPC in an LCD display device using COF technology in a non-bending state
  • 5B is a schematic structural view of the FPC in the LCD display device adopting the COF technology in a bent state
  • FIG. 6 is a schematic cross-sectional structural view of the A-A direction when the FPC is in a bent state in an LCD display device using COF technology;
  • FIG. 7A is a schematic structural view of the FPC in the non-bending state in the first embodiment of the LCD display device of the present application.
  • FIG. 7B is a schematic structural view of the FPC of the first embodiment of the present invention when the FPC is in a bent state;
  • FIG. 8 is a cross-sectional structural view of the A-A direction of the FPC in the first embodiment of the LCD display device of the present application in a bent state;
  • FIGS. 9A-9D are schematic structural views of different gap setting modes in the first embodiment of the LCD display device of the present application.
  • FIG. 10A is a schematic structural view of the FPC in the second embodiment of the LCD display device of the present application in a non-bending state
  • FIG. 10B is a schematic structural view of the FPC in the second embodiment of the LCD display device of the present application in a bent state;
  • FIG. 11 is a schematic cross-sectional view of the A-A direction when the FPC is in a bent state in the second embodiment of the LCD display device of the present application;
  • FIG. 12 is a schematic structural view of a side of a glass substrate adjacent to a backlight module in Embodiment 2 of the LCD display device of the present application;
  • FIG. 13A is a schematic structural view of the FPC in the third embodiment of the LCD display device of the present application in a non-bending state
  • FIG. 13B is a schematic structural view of the FPC in the third embodiment of the LCD display device of the present application in a bent state;
  • FIG. 14 is a cross-sectional structural view of the A-A direction when the FPC is in a bent state in the third embodiment of the LCD display device of the present application;
  • FIG. 15 is a schematic structural view of a side of a glass substrate adjacent to a backlight module in Embodiment 3 of the LCD display device of the present application;
  • 16A is a schematic structural view of the FPC in the fourth embodiment of the LCD display device of the present application in a non-bending state
  • 16B is a schematic structural view of the FPC in the fourth embodiment of the LCD display device of the present application in a bent state;
  • 17 is a cross-sectional structural view of the A-A direction of the FPC in the fourth embodiment of the LCD display device of the present application in a bent state;
  • FIG. 18 is a schematic structural view of a side of a glass substrate adjacent to a backlight module in Embodiment 4 of the LCD display device of the present application;
  • FIG. 19 is a schematic structural diagram of Embodiment 1 of an electronic device according to the present application.
  • FIG. 1A is a schematic structural diagram of an electronic device according to the present application.
  • the electronic device 10 as shown in FIG. 1A may be a smart phone, a cellular phone, a gaming device, a navigation unit, or other handheld device with a display device.
  • the housing 101 of the electronic device 10 of the type shown in FIG. 1 is composed of opposite front and rear surfaces, and a main board on which the electronic device 10 is mounted is disposed between the front surface and the rear surface of the housing 101.
  • the front surface is provided with a display 1021 on which an electronic device is mounted.
  • the display device of the effective display area AA of the display 1021 is used to display information for the user of the electronic device, and the non-effective display area IA of the display 1021 is configured to control related components and control circuits of the display device in the effective display area AA.
  • the effective display area AA and the non-effective display area IA of the display 1021 in the example shown in FIG. 1 have a boundary with a rectangular line 1022.
  • An outer peripheral portion of the front surface of the casing 101 is provided with an opaque masking layer for covering relevant components and control circuits in the non-effective display area IA of the display device of the display 1021.
  • the opaque masking layer can be realized by covering an opaque masking material such as a black ink layer (for example, a polymer filled with carbon black) or an opaque metal layer on the front surface of the casing 101.
  • FIG. 1B is a schematic diagram of the display of the electronic device of the present application. When the electronic device 10 shown in FIG. 1B is held by the user, the effective display area AA of the display 1021 is illuminated and the information is displayed for the user. Instead of effectively displaying the IA being covered by the opaque cover layer, the user cannot see the relevant components and control circuitry of the display 1021 in the non-effective display area IA.
  • the electronic device 10 can be a laptop computer, a computer monitor including an embedded computer, a tablet computer, a cellular phone, a media player or other handheld or portable electronic device, infused with a wristwatch device, a pendant device, an earphone or Smaller devices with display functions for earphone devices or other wearable or micro devices, televisions, computer displays that do not include embedded computers, gaming devices, navigation devices, embedded systems (such as electronic devices having displays therein) a kiosk or a system in a car) that implements two or more of these devices, or a computer, a notebook, a tablet, a smart phone, Electronic devices with display functions such as smart watches, smart glasses, workstations, databases, or servers.
  • the display device for the display 1021 of the electronic device 10 may be: a light emitting diode (LED), an organic LED (OLED), a plasma unit, an electrowetting pixel, an electrophoretic pixel, a liquid crystal display (LCD) device, or other suitable
  • the image pixel structure is used to form image pixels.
  • the LCD is used to form a display device of the display 1021. Therefore, the configuration of the LCD display device as the display 1021 in the subsequent embodiments of the present application is described as an example. It should be noted that other types of display technologies can also be used in the electronic device 10 of the present application.
  • the LCD display device shown in FIG. 2 includes a glass substrate 1 and a backlight module 2.
  • the glass substrate 1 is a component for display in an LCD display device, and is usually composed of a color filter (CF) glass 11 and a thin film transistor (TFT) TFT glass 12 .
  • the CF glass 11 in the glass substrate is used for color display of the glass substrate, and the TFT glass 12 is used to set a control circuit.
  • the CF glass 11 and the TFT glass 12 are placed in contact with each other, and there is an injected liquid crystal for display between the bonding surfaces of the two.
  • the other surface of the TFT glass 12 away from the CF glass 11 is bonded to the backlight module 2.
  • the backlight module 2 is an assembly for providing a light source in an LCD display device. Since the glass substrate itself does not emit light, it is necessary to provide a sufficient light source and a uniformly distributed light source through the backlight module to enable the glass substrate to display images normally. That is, the glass substrate belongs to the passive illuminating element, and after receiving the light of the backlight module 2, the liquid crystal between the CF glass 11 and the TFT glass 12 is used to modulate the light in different directions. The user 21, as shown in the figure, sees the liquid crystal modulated light in the direction 22.
  • a control circuit signal line (for example, a grid formed of horizontal or vertical metal lines) is typically printed on the TFT glass to adjust the parameters of the LCD display device in accordance with the control signals.
  • the CF glass 1 and the TFT glass 2 are placed together, and the liquid crystal is injected into the position in the effective display area AA of the two glasses, and the IA in the non-effective display area outside the effective display area AA.
  • the application of the LCD display device on the electronic device includes two types of COG technology and COF technology, wherein:
  • FIG. 3A is a schematic structural view of the FPC in the LCD display device adopting COG technology in a non-bending state
  • FIG. 3B is a schematic structural view of the FPC in the LCD display device adopting COG technology in a bent state
  • an LCD display device of an electronic device using chip on glass (Chip On Glass, COG for short) technology includes: CF glass 11, TFT glass 12, backlight module 2, and flexible circuit board (Flexible Printed Circuit, referred to as FPC)3.
  • FPC Flexible Printed Circuit
  • the length of the CF glass 11 in the direction of the lower frame is shorter than the length of the TFT glass 12 in the direction of the lower frame, so that the TFT glass 12 leaks a step portion toward the direction of the CF glass 11.
  • An integrated circuit (IC) chip 4 for driving the display of the glass substrate is disposed on the step portion of the TFT glass 12 in the direction toward the CF glass 11.
  • the CF glass 11 and the TFT glass 12 have the same length in the direction of the upper frame, the left frame, and the right frame of the electronic device.
  • the backlight module 2 slightly protrudes from the structural design of the TFT glass 12 at the first edge of the lower frame, so that the protruding portion TFT glass 12 provides protection against flaws.
  • the IC chip 4 disposed above the front surface of the casing 101 of the electronic device 10 needs to pass through the FPC 3 to be in contact with the casing 101 of the electronic device 10.
  • the IC chip 4 can receive the control signal sent by the CPU on the mobile phone main board through the FPC3 and adjust the parameters of the LCD display device according to the control signal.
  • the IC chip 4 disposed in the direction away from the backlight module 3 of the TFT glass 12 is connected to the TFT glass 2 by a control circuit disposed in a direction away from the backlight module 3 of the TFT glass 12. Disk 51.
  • the pads 51 are electrically coupled to a corresponding number of pads 52 disposed on the first body segment 32 of the FPC 3.
  • the electrical coupling manner is an Anisotropic Conductive Film (ACF) connection.
  • ACF Anisotropic Conductive Film
  • the second end of the FPC 3 at the second body segment 33 is placed under the entire LCD display device in the figure and is connected to the motherboard in the electronic device 10.
  • the IC chip 4 needs to pass through the first body segment 32, the bent portion 31 and the second body segment 33 in order to connect the main board of the electronic device. Therefore, the FPC 3 needs to be connected to the main board of the electronic device by bypassing the outermost side of the first edge of the TFT glass 12 and the lower frame of the backlight module 2.
  • the FPC 3 forms a bent portion 31 by bypassing the TFT glass 12 and the lower frame of the backlight module 2, and the bent portion 31 protrudes from the entire LCD display device. On the outside of the first edge at the bottom frame of the electronic device.
  • FIG. 5A is a schematic structural view of the FPC in the LCD display device adopting the COF technology in a non-bending state
  • FIG. 5B is a schematic structural view of the FPC in the LCD display device adopting the COF technology in a bent state
  • an LCD display device of an electronic device using a Chip On Flex (COF) technology includes: CF glass 11, TFT glass 12, backlight module 2, and flexible printed circuit board (Flexible Printed Circuit) , referred to as: FPC) connection line 3.
  • FPC Flexible printed circuit board
  • the position between the CF glass 11 and the effective display area AA of the TFT glass 12 is injected into the liquid crystal for displaying information for the user of the electronic device; the CF glass 11 and the non-effective display area IA of the TFT glass 12 are provided for controlling the effective display.
  • the components and control circuitry of the display device within zone AA are therefore not used for display.
  • An integrated circuit (IC) chip 4 for driving the display of the glass substrate is disposed on the second body segment 33 of the FPC connection line 3.
  • the IC chip 4 needs to be connected to a signal line located above the front surface of the electronic device casing through the FPC 3 to transmit a control signal to the LCD display device.
  • the length of the CF glass 11 in the direction of the lower frame is shorter than the length of the TFT glass 12 in the direction of the lower frame, so that the TFT glass 12 leaks a stepped portion in the direction of the CF glass 11.
  • the pad portion 51 is provided with a pad 51 electrically coupled to a corresponding number of pads 52 provided on the first body segment 32 of the FPC 3.
  • the IC chip 4 is enabled to receive a control signal transmitted from the CPU on the main board through the FPC 3, and to transmit a control signal through a signal line on the TFT 12 connected to the pad 51.
  • the IC chip 4 on the second body segment 33 of the FPC 3 below the front surface of the casing 101 of the electronic device 10 is disposed.
  • the specific connection structure is specifically as shown in FIG. 6.
  • the IC chip 4 disposed on the second body segment 33 of the FPC 3 finally needs to be connected to the TFT glass 12 through the second body segment 33, the bent portion 31 and the first body segment 32.
  • the signal line is such that the FPC3 needs to connect the signal lines of the IC chip 4 and the TFT glass 12 by bypassing the outermost edges of the first edges of the TFT glass 12 and the lower frame of the backlight module 2.
  • the FPC 3 forms a bent portion 31 by bypassing the TFT glass 12 and the lower frame of the backlight module 2, and the bent portion 31 protrudes from the entire LCD display device. On the outside of the first edge at the bottom frame of the electronic device.
  • the LCD display device using COG technology the bent portion of the FPC needs to protrude from the backlight module of the LCD display device and the TFT glass setting, resulting in a large size of the non-effective display area of the LCD display device.
  • the display device of the COF technology although the IC chip is disposed in the second body segment of the FPC, the size of the ineffective display area of the LCD display device occupied by the bent portion of the FPC is still large.
  • FIG. 7A is a schematic structural view of the FPC in the non-bending state in the first embodiment of the LCD display device of the present application
  • FIG. 7B is a schematic structural view of the FPC in the first embodiment of the LCD display device of the present application
  • the size of the non-effective display area IA of the LCD display device can be reduced by cutting the notch for accommodating the FPC bent portion on the LCD display device of the COG structure.
  • the TFT glass 12 and the backlight module 2 of the LCD display device are provided with a notch for accommodating the bent portion of the FPC 3 at the first edge of the lower frame of the electronic device 10.
  • the most prominent portion of the bent portion after the FPC 3 is bent does not exceed the outermost side of the TFT glass 12 and the backlight module 2 at the first edge of the lower frame of the electronic device 10.
  • the notches for accommodating the bent portions of the FPC 3 are disposed on both sides of the first edge at the lower frame of the electronic device 10.
  • the TFT glass 12 is provided with a notch, it is necessary to adjust the signal line distribution and the direction on the TFT glass 12 and the pad 52 to which the FPC is connected in accordance with the shape of the TFT glass 12 after the notch is provided.
  • the FPC 3 can be provided with a plurality of bent portions.
  • the FPC 3 is caused to form the first bent portion 311 and the second bent portion 312 after being bent.
  • the first body portion 32 of the FPC 3 can be connected to the second body portion 33 through the first bent portion 311 and the second bent portion 312. It should be noted that, in this example, two bending portions are included, and in the specific implementation, any number of bending portions can be set according to engineering requirements, which are all within the protection range of the embodiment.
  • the TFT glass 12 and the backlight module 2 are located at the left and right edges of the lower frame of the electronic device 10 A cut-out notch is provided on each side, and the TFT glass 12 and the backlight module 2 are cut in the same shape, so that the first notch 71 and the second notch shown in FIG. 7A are formed at the first edge of the lower frame of the electronic device 10. 72.
  • the distance between the first notch 71 and the second notch 72 is matched to the bending size of the first bending portion 311 and the second bending portion 312, respectively.
  • the first notch 71 and the second notch 72 are directed to the axis of the mobile phone.
  • the cut distances match the widths of the first bent portion 311 and the second bent portion, respectively.
  • the first bent portion 311 and the second bent portion 312 of the FPC 3 can be completely accommodated in the first notch 71 and the second notch 72, thereby reducing the size of the ineffective display area IA of the LCD display device.
  • the structure of the notch can be shown in the cross-sectional view of FIG. 8, and the cross-sectional view in the A-A direction of FIG. 8 can only show the first notch 71.
  • the cut portion of the TFT glass 12 is at the reference numeral 711 in the figure, and the cutting position of the backlight module 2 is at the reference numeral 712 in the figure, and the space cut by the two places forms a first notch 71 for accommodating the first FPC on the side.
  • a bent portion 311 is at the reference numeral 711 in the figure, and the cutting position of the backlight module 2 is at the reference numeral 712 in the figure, and the space cut by the two places forms a first notch 71 for accommodating the first FPC on the side.
  • the notch is provided on the TFT glass 12, it is necessary to adjust the distribution of the original pads 52 on the side of the TFT glass 12 away from the backlight module 2.
  • the pad 51 disposed at the first end of the FPC 3 needs to be electrically coupled to the TFT glass 12, so the pad 51 of the first end also needs to be adjusted accordingly.
  • the IC chip 4 is disposed on the ineffective display area of the TFT glass 12 under the electronic device 10.
  • the pads 52 on the TFT glass 12 are disposed on the non-effective display areas on both sides of the IC chip.
  • the pads 52 are disposed along the edges of the notches on the TFT glass 12 to reduce the effects on the traces of the original signal lines and the effective display area AA.
  • the pad on the pad TFT glass 12 is disposed closer to the side of the IC chip than the pad of FIG. 3A disposed under the IC chip 4, and the structure is more compact.
  • the adjustment of the position of the pad 52 can shorten the occupation of the non-effective display area IA by the pad 52 disposed on the side of the TFT glass 12 away from the glass module in the COG structure.
  • FIG. 7A is a schematic structural view of the FPC 3 in a non-bending state.
  • the N pads 51 of the first end of the FPC 3 are electrically coupled to the N pads 52 disposed on the TFT glass 12.
  • the FPC 3 is not bent, and is parallel to the glass substrate 1 and the backlight module 2.
  • the FPC 3 is bent to obtain a first bent portion 311 and a second bent portion 312 , and the bent portion divides the FPC 3 on both sides into a first body segment 32 and a second portion.
  • Body segment 33 The first body segment 32 is disposed on a side of the glass substrate 1 away from the backlight module 2, and the second body segment 33 is disposed on a side of the backlight module 2 away from the glass substrate.
  • the FPC 3 is in a bent state, the first bent portion 311 and the second bent portion 312 of the FPC 3 are respectively accommodated in the TFT glass 12 of the LCD display device and the first notch 71 and the second notch 72 provided in the backlight module 2, respectively.
  • the most prominent portion of the bent portion does not extend beyond the lower edge of the first edge of the LCD display device, thereby effectively reducing the size of the non-effective display area IA of the LCD display device.
  • 9A-9D are schematic structural diagrams of different gap setting modes in the first embodiment of the LCD display device of the present application.
  • Four embodiments that may occur when the electronic device is provided with a notch for receiving the FPC bend at the first edge are shown.
  • the position of the notch can be set on one side or both sides at the first edge.
  • the number and position of the pads can be set according to the number of signal lines that are actually needed.
  • the number of the bent portions of the FPC, the shape of the first body segment and the second body segment may be set according to the backlight structure of the TFT glass and the backlight module to avoid the first body segment of the pad and the FPC to the glass substrate and the backlight module The effect of normal display.
  • the order and position of the pins of the IC chip 4 can be adjusted according to the routing requirements of the signal lines on the TFT glass 12, so that the traces on the TFT glass 12 can be further The pins of the IC chip 4 are directly and efficiently connected.
  • a notch for accommodating the FPC bent portion is disposed at the first edge of the glass substrate and the backlight module, so that the most prominent portion of the FPC bent portion can be limited.
  • the FPC bent portion can be received in the notch without protruding the first edge of the electronic device, thereby reducing the size of the non-effective display area IA of the LCD display device.
  • FIG. 10A is a schematic structural view of the FPC in the second embodiment of the LCD display device according to the second embodiment of the present invention
  • FIG. 10B is a schematic structural view of the FPC in the second embodiment of the LCD display device of the present application
  • FIG. 12 is a schematic view showing the structure of the glass substrate in the AA direction in the second embodiment of the LCD display device
  • FIG. 12 is a schematic structural view of the glass substrate adjacent to the backlight module in the second embodiment of the LCD display device of the present application.
  • the second embodiment shows, on the basis of the first embodiment, how to further reduce the LCD display device by disposing the pads on the TFT glass on the side of the backlight module by providing conductive vias on the TFT glass.
  • Non-effective display area size Specifically, the second embodiment of the present application further includes: N conductive vias 8 on the basis of the foregoing first embodiment.
  • the TFT glass 12 is away from the IC chip 4 and other control components disposed on the side of the backlight module 2, and the signal lines of the IC chip 4 and other control components are connected to the backlight module 2 away from the TFT glass 12 through the FPC3. Motherboard.
  • the signal lines of the IC chip 4 and other control elements need to be connected to the corresponding pads 51 provided at the first end of the FPC 3 through the pads 52 provided on the TFT glass 12 to be connected to the FPC 3.
  • the pads 52 provided on the TFT glass occupy the size of the ineffective display area of the larger LCD display device.
  • the pad 52 disposed on the side of the TFT glass 12 away from the backlight module 2 in the COG technology is adjusted to be disposed on the TFT glass 2 adjacent to the backlight module 3 . side.
  • the signal lines on the side of the TFT glass 12 away from the backlight module 2 are electrically coupled to the signal lines of the TFT glass 12 on the side of the backlight module 2 through the N conductive vias 8 disposed on the TFT glass 2.
  • the signal lines of the IC chip 4 and other control elements are connected to the signal line of the TFT glass 2 near the backlight module 3 through the N conductive vias 8 and the signal line of the TFT glass 2 near the backlight module 3 N pads 52 are connected.
  • the N pads 51 at the first end of the FPC 3 and the N pads disposed on the side of the TFT glass 2 adjacent to the backlight module 3 are electrically coupled through the conductive vias 8.
  • the arrangement of the pads 52 on the TFT glass 2 is specifically as shown in FIG. 12 , and the N pads 52 are disposed on the side of the TFT glass 2 adjacent to the backlight module 3 and at the first edge of the lower frame of the electronic device 10 . .
  • the N pads 52 are respectively connected to the corresponding N conductive vias 8 through signal line connections on the TFT glass 2.
  • N pads 52 are also electrically coupled to N pads 51 on FPC3.
  • the position of the pad is set, and in the second embodiment, only a corresponding number of the via holes 8 are provided. Since the diameter of the conductive via 8 is much smaller than the length of the pad 52, the size of the ineffective display area at the first edge under the LCD display device is further shortened in the second embodiment of the present application, and the shortened length is compared with the first embodiment. It is the difference between the length of the conductive via 8 and the pad 52. Therefore, in the second embodiment of the present application, the size of the non-effective display area IA of the LCD display device is further reduced as compared with the first embodiment.
  • the N conductive vias 8 shown in this embodiment are arranged in a single row and arranged in parallel, and are disposed on the TFT glass 12 and below the IC chip 4. If the number of the conductive vias is large, the plurality of conductive vias may be disposed, or the conductive vias may be disposed on both sides of the IC chip, which are within the protection range of the embodiment of the present application.
  • a corresponding slot 21 may be disposed on the backlight module 2 .
  • the shape of the slot 21 matches the first body segment 32 of the FPC 4 such that the first body segment 32 of the FPC 3 can penetrate into the slot 21 of the backlight module 2.
  • the pad 51 of the FPC 3 at the first end of the first body segment 32 is thereby electrically coupled to the pad 52 on the TFT glass 12.
  • the LCD display device provided in the second embodiment not only provides a notch for accommodating the FPC bent portion at the first edge of the glass substrate and the backlight module, and the most prominent portion of the FPC bent portion can be limited to the backlight mode.
  • a conductive via is also provided on the TFT glass to place the pad on the TFT glass on the side close to the backlight module. The size of the non-effective display area IA of the LCD display device is collectively reduced by the above improvements.
  • FIG. 13A is a schematic structural view of the FPC in the third embodiment of the LCD display device of the present application in a non-bending state
  • FIG. 13B is a schematic structural view of the FPC in the third embodiment of the LCD display device of the present application
  • FIG. 15 is a schematic view showing the structure of the glass substrate in the AA direction in the third embodiment of the LCD display device
  • FIG. 15 is a schematic structural view of the glass substrate adjacent to the backlight module in the third embodiment of the LCD display device of the present application.
  • the third embodiment of the present application shows, based on the second embodiment, how to place the pads on the TFT glass on the side close to the backlight module by providing conductive via holes on the TFT glass. And when the width of the cut gap for accommodating the FPC bent portion is equal to the width of the first edge of the electronic device, the non-effective display area IA of the LCD display device can be reduced without modifying the pad position structure of the existing FPC. size of.
  • the pad 52 disposed on the side of the TFT glass 12 away from the backlight module 2 in the COG technology is adjusted and disposed on the TFT glass 2 adjacent to the backlight module 3 .
  • the signal lines on the side of the TFT glass 12 away from the backlight module 2 are electrically coupled to the signal lines of the TFT glass 12 on the side of the backlight module 2 through the N conductive vias 8 disposed on the TFT glass 2.
  • the signal lines of the IC chip 4 and other control elements are connected to the signal line of the TFT glass 2 near the backlight module 3 through the N conductive vias 8 and the signal line of the TFT glass 2 near the backlight module 3 N pads 52 are connected.
  • the N pads 51 at the first end of the FPC 3 and the N pads disposed on the side of the TFT glass 2 adjacent to the backlight module 3 are electrically coupled through the conductive vias 8.
  • the arrangement of the pads 52 on the TFT glass 2 is specifically as shown in FIG. 15.
  • the N pads 52 are disposed on the side of the TFT glass 2 adjacent to the backlight module 3 and at the first edge of the lower frame of the electronic device 10.
  • the N pads 52 are respectively connected to the corresponding N conductive vias 8 through signal line connections on the TFT glass 2.
  • N pads 52 are also electrically coupled to N pads 51 on FPC3.
  • a corresponding slot 21 may be disposed on the backlight module 2 for The first body segment 32 of the FPC 4 is housed.
  • the shape of the slot 21 matches the first body segment 32 of the FPC 4.
  • the first body segment 32 of the FPC 3 is allowed to penetrate into the slot 21 of the backlight module 2 such that the pad 51 of the FPC 3 at the first end of the first body segment 32 is electrically coupled to the pad 52 on the TFT glass 12 . Pick up.
  • the pads 52 on the TFT glass are disposed on the side close to the backlight module 2 by providing the conductive vias 8 on the TFT glass 12.
  • the position of the pad 52 disposed on the side of the TFT glass 12 near the backlight module can be the same as the position of the pad 52 when the side of the backlight module 2 is not adjusted before the adjustment, and the FPC3 is also electrically coupled without the position change. Disk 51.
  • the position where the pads 51 and the pads 52 are electrically coupled needs to be moved from the side of the TFT glass 12 away from the backlight module 2 to the side of the TFT glass 12 near the backlight module 2.
  • the LCD display device in the third embodiment can be understood to reduce the size of the non-effective display area IA of the LCD display device by cutting the notch for accommodating the FPC bent portion on the basis of the second embodiment, and for cutting The width of the notch that accommodates the FPC bend is equal to the width of the first edge of the electronic device. As shown in FIG.
  • the size of the non-effective display area at the first edge under the LCD display device has been set.
  • the hole is shortened to a certain size, and the shortened size can be used to accommodate the bent portion 31.
  • the most protruding portion of the bent portion 31 is made not to exceed the lower frame of the first edge before the LCD display device is not shortened.
  • the LCD display device provided in the third embodiment reduces the use of the LCD display device using the COG technology by providing a conductive via on the TFT glass to place the pad on the TFT glass near the side of the backlight module.
  • the size of the area IA is effectively displayed.
  • FIG. 16A is a schematic structural view of the FPC of the fourth embodiment of the present invention when the FPC is in a non-bending state
  • FIG. 16B is a schematic structural view of the FPC in the fourth embodiment of the LCD display device of the present application
  • FIG. 18 is a schematic structural view of the glass substrate of the fourth embodiment of the LCD display device in the AA direction.
  • FIG. 18 is a schematic structural view of the glass substrate adjacent to the backlight module in the fourth embodiment of the LCD display device of the present application.
  • the fourth embodiment of the present application shows how the TFT can be placed on the TFT glass by providing conductive vias on the TFT glass.
  • the pad is disposed near the side of the backlight module, and when the length of the cut gap for accommodating the FPC bent portion is equal to the length of the first edge of the electronic device, the existing FPC structure does not need to be modified to reduce the adoption.
  • the LCD display device provided in the fourth embodiment is an example in which the technical solution of the third embodiment is applied to the COF structure.
  • the pad 52 disposed on the side of the TFT glass 12 away from the backlight module 2 in the COF technology is disposed on the side of the TFT glass 2 adjacent to the backlight module 3.
  • the signal lines on the side of the TFT glass 12 away from the backlight module 2 are electrically coupled to the signal lines of the TFT glass 12 on the side of the backlight module 2 through the N conductive vias 8 disposed on the TFT glass 2.
  • the signal lines of the IC chip 4 and other control elements are connected to the signal line of the TFT glass 2 near the backlight module 3 through the N conductive vias 8 and the signal line of the TFT glass 2 near the backlight module 3 N pads 52 are connected.
  • the N pads 51 at the first end of the FPC 3 and the N pads disposed on the side of the TFT glass 2 adjacent to the backlight module 3 are electrically coupled through the conductive vias 8.
  • the mounting manner of the pads 52 on the TFT glass 2 is specifically as shown in FIG. 18.
  • the N pads 52 are disposed on the side of the TFT glass 2 adjacent to the backlight module 3 and at the first edge of the lower frame of the electronic device 10.
  • the N pads 52 are respectively connected to the corresponding N conductive vias 8 through signal line connections on the TFT glass 2. N pads 52 are also electrically coupled to N pads 51 on FPC3.
  • a corresponding slot 21 may be disposed on the backlight module 2 for The first body segment 32 of the FPC 4 is housed. The shape of the slot 21 matches the first body segment 32 of the FPC 4. The first body segment 32 of the FPC 3 is allowed to penetrate into the slot 21 of the backlight module 2 such that the pad 51 of the FPC 3 at the first end of the first body segment 32 is electrically coupled to the pad 52 on the TFT glass 12 . Pick up.
  • the pad 52 on the TFT glass is disposed on the side close to the backlight module 2 by providing the conductive via 8 on the TFT glass 12.
  • the position of the pad 52 disposed on the side of the TFT glass 12 near the backlight module can be the same as the position of the pad 52 when the side of the backlight module 2 is not adjusted before the adjustment, and the FPC3 is also electrically coupled without the position change. Disk 51.
  • the position where the pads 51 and the pads 52 are electrically coupled needs to be moved from the side of the TFT glass 12 away from the backlight module 2 to the side of the TFT glass 12 near the backlight module 2.
  • the LCD display device in the fourth embodiment can be understood to reduce the size of the non-effective display area IA of the LCD display device by cutting the notch for accommodating the FPC bent portion on the basis of the second embodiment, and cutting the size of the non-effective display area IA of the LCD display device.
  • the width of the notch that accommodates the FPC bend is equal to the width of the first edge of the electronic device. As shown in FIG.
  • the size of the ineffective display area at the first edge under the LCD display device has been set.
  • the hole is shortened to a certain size, and the shortened size can be used to accommodate the bent portion 31.
  • the most protruding portion of the bent portion 31 is made not to exceed the lower frame of the first edge before the LCD display device is not shortened.
  • the LCD display device provided in the fourth embodiment has a conductive via hole disposed on the TFT glass to place the pad on the TFT glass near the backlight module side, thereby reducing the non-LCD display device using the COF technology.
  • the size of the area IA is effectively displayed.
  • FIG. 19 is a schematic structural diagram of Embodiment 1 of an electronic device according to the present application. As shown in FIG. 19, the electronic device 19 of the present embodiment includes the LCD display device 1901 described in any of the above embodiments.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

La présente invention concerne un dispositif d'affichage à cristaux liquides et un appareil électronique, le dispositif d'affichage à cristaux liquides étant monté dans l'appareil électronique pour présenter des informations à un utilisateur, et comprenant un substrat en verre, un module de rétroéclairage et une carte de circuit imprimé souple (FPC), le substrat en verre et le module de rétroéclairage étant disposés en butée, le substrat en verre et le module de rétroéclairage étant tous deux dotés d'une encoche au niveau d'une position d'un premier bord d'une région d'affichage non effective, et l'encoche du substrat en verre et l'encoche du module de rétroéclairage étant utilisées pour recevoir une section courbée de la FPC ; la FPC comprend la section courbée, et une première section de corps et une seconde section de corps qui sont reliées entre deux extrémités de la section courbée ; une première extrémité, au niveau de la première section de corps, de la FPC est électriquement couplée à N plaques sur le substrat en verre au moyen de N plaques, et N est un nombre entier positif ; et une seconde extrémité, au niveau de la seconde section de corps, de la FPC est électriquement couplée à une carte mère de l'appareil électronique. Au moyen du dispositif d'affichage à cristaux liquides et de l'appareil électronique selon la présente invention, la taille d'une région d'affichage non effective d'un dispositif d'affichage à cristaux liquides est réduite.
PCT/CN2019/074917 2018-02-27 2019-02-13 Dispositif d'affichage à cristaux liquides et appareil électronique WO2019165889A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810161420.6 2018-02-27
CN201810161420.6A CN110196520A (zh) 2018-02-27 2018-02-27 Lcd显示器件及电子设备

Publications (1)

Publication Number Publication Date
WO2019165889A1 true WO2019165889A1 (fr) 2019-09-06

Family

ID=67750876

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/074917 WO2019165889A1 (fr) 2018-02-27 2019-02-13 Dispositif d'affichage à cristaux liquides et appareil électronique

Country Status (2)

Country Link
CN (1) CN110196520A (fr)
WO (1) WO2019165889A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698357A (zh) * 2020-03-27 2020-09-22 青岛海信移动通信技术股份有限公司 移动终端

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110648642A (zh) * 2019-09-27 2020-01-03 广东虹勤通讯技术有限公司 一种电子设备
CN111083255B (zh) * 2019-11-29 2022-01-25 维沃移动通信有限公司 一种显示模组及电子设备
CN111583883B (zh) * 2020-05-29 2022-03-15 上海中航光电子有限公司 一种集成驱动板、显示装置及制作方法
CN111601455A (zh) * 2020-06-23 2020-08-28 上海创功通讯技术有限公司 柔性线路板、显示模组、终端、绑定系统及方法
CN112328007A (zh) * 2020-11-11 2021-02-05 维沃移动通信有限公司 显示屏和电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005077756A (ja) * 2003-08-29 2005-03-24 Optrex Corp 液晶表示装置の光源の位置合わせ構造
CN103163702A (zh) * 2011-12-08 2013-06-19 乐金显示有限公司 窄边框型液晶显示装置
CN103984452A (zh) * 2013-02-07 2014-08-13 宏达国际电子股份有限公司 触控面板总成与电子装置
CN104133307A (zh) * 2013-05-03 2014-11-05 启耀光电股份有限公司 显示面板及显示装置
CN106847827A (zh) * 2017-02-08 2017-06-13 京东方科技集团股份有限公司 显示基板、显示面板、显示装置及邦定方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4552637B2 (ja) * 2004-12-09 2010-09-29 エプソンイメージングデバイス株式会社 液晶表示装置
CN201126779Y (zh) * 2007-12-17 2008-10-01 荧茂光学股份有限公司 触控面板的电性传导结构
TWI651567B (zh) * 2015-07-03 2019-02-21 友達光電股份有限公司 顯示器及顯示器的製造方法
CN206541098U (zh) * 2017-03-21 2017-10-03 江西合力泰科技有限公司 一种液晶显示模组

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005077756A (ja) * 2003-08-29 2005-03-24 Optrex Corp 液晶表示装置の光源の位置合わせ構造
CN103163702A (zh) * 2011-12-08 2013-06-19 乐金显示有限公司 窄边框型液晶显示装置
CN103984452A (zh) * 2013-02-07 2014-08-13 宏达国际电子股份有限公司 触控面板总成与电子装置
CN104133307A (zh) * 2013-05-03 2014-11-05 启耀光电股份有限公司 显示面板及显示装置
CN106847827A (zh) * 2017-02-08 2017-06-13 京东方科技集团股份有限公司 显示基板、显示面板、显示装置及邦定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698357A (zh) * 2020-03-27 2020-09-22 青岛海信移动通信技术股份有限公司 移动终端

Also Published As

Publication number Publication date
CN110196520A (zh) 2019-09-03

Similar Documents

Publication Publication Date Title
WO2019165889A1 (fr) Dispositif d'affichage à cristaux liquides et appareil électronique
US9997578B2 (en) Displays with reduced driver circuit ledges
US10459554B2 (en) Display device
TWI497161B (zh) 具有彎曲非作用邊緣區域的顯示器
KR102483379B1 (ko) 표시장치
US20190018528A1 (en) Display device
US8421979B2 (en) Display panel and display device including the same
US9983447B2 (en) Flat panel display with narrow bezel area
TW201403170A (zh) 凹槽顯示器層
US10319802B1 (en) Display substrate edge patterning and metallization
KR101171178B1 (ko) 커팅 패턴이 형성된 가요성 인쇄회로기판용 원판 및 이를커팅한 가요성 인쇄회로기판을 구비한 평판표시장치
KR20020013736A (ko) 전기 광학 유닛 및 전자 기기
TWM521193U (zh) 電子顯示模組
KR102302887B1 (ko) 모바일 단말기
JP2007086408A (ja) 電気光学装置、電気光学装置の製造方法、及び電子機器
US20170005116A1 (en) Displays Having Substrate Ledge Support
JP2008233853A (ja) 電気光学装置、および電子機器
CN108241234B (zh) 光源模组以及包括该光源模组的背光单元和液晶显示装置
JP4122807B2 (ja) 電気光学装置および半導体素子、並びに電子機器
KR20030029731A (ko) 액정표시장치
JP2007057885A (ja) 電気光学装置及び電子機器
US11099439B2 (en) Display device assembly having a spacer layer surrounding the integrated circuit
JP2004152984A (ja) 配線基板、電気光学装置及び電子機器
KR20190085196A (ko) 표시 장치
JP2008185801A (ja) 電気光学装置の製造方法及び電気光学装置並びに電子機器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19761094

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19761094

Country of ref document: EP

Kind code of ref document: A1