CN108614372A - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
CN108614372A
CN108614372A CN201810591670.3A CN201810591670A CN108614372A CN 108614372 A CN108614372 A CN 108614372A CN 201810591670 A CN201810591670 A CN 201810591670A CN 108614372 A CN108614372 A CN 108614372A
Authority
CN
China
Prior art keywords
liquid crystal
crystal display
display device
area
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810591670.3A
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Chinese (zh)
Other versions
CN108614372B (en
Inventor
秦锋
时成瑛
夏志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai AVIC Optoelectronics Co Ltd
Original Assignee
Shanghai AVIC Optoelectronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201810591670.3A priority Critical patent/CN108614372B/en
Priority to CN202110684651.7A priority patent/CN113419370B/en
Publication of CN108614372A publication Critical patent/CN108614372A/en
Application granted granted Critical
Publication of CN108614372B publication Critical patent/CN108614372B/en
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02F1/1333—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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels

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

Abstract

Liquid crystal display device provided by the invention,Including liquid crystal display panel and backlight module,The flexible substrate of the liquid crystal display panel includes plane area and the stepped region positioned at the plane area at least side,Light guide plate in the backlight module includes output optical zone and the bent area positioned at the output optical zone at least side,The plane area of above-mentioned output optical zone face flexible substrate is arranged,To realize display function,Bent area and stepped region are all bent and are attached to a side surface of the backlight module far from liquid crystal layer,It avoids because needing frame region of the setting for accommodating step area and light source on liquid crystal display device,So as to cause the problem that liquid crystal display device border width is big and screen accounting is small,The viewing area for realizing stepped region and light source and liquid crystal display panel partly overlaps on the direction perpendicular to backlight module,To reduce the border width of liquid crystal display device,Increase screen accounting.

Description

Liquid crystal display device
Technical field
The present invention relates to display technology field more particularly to a kind of liquid crystal display devices.
Background technology
Liquid crystal display device has many advantages, such as that energy saving, frivolous and picture is exquisite, has been obtained widely in display technology field Using.With the continuous raising of people's quality of the life, requirement of the people to liquid crystal display device is also higher and higher, narrow frame, The liquid crystal display device shielded comprehensively falls over each other the focus pursued as people.
Existing liquid crystal display device includes liquid crystal display panel and backlight module, and wherein liquid crystal display panel needs to be arranged Drive array and control chip, to provide driving voltage to the liquid crystal molecule of viewing area.Wherein, drive array is set to display Frame region in liquid crystal display device is arranged in area, the cabling that is fanned out to for controlling chip and being electrically connected with control chip；Meanwhile it carrying on the back Light source in optical mode group also is located at the frame region of liquid crystal display device, and is also required to have between light source and the incidence surface of light guide plate Have certain spacing distance, increase light mixing effect, therefore, the border width of existing liquid crystal display device is larger, screen accounting compared with It is small, it is difficult to meet the design requirement of liquid crystal display device narrow frame.
Invention content
The present invention provides a kind of liquid crystal display device that ultra-narrow frame may be implemented, and the screen to increase liquid crystal display device accounts for Than.
An embodiment of the present invention provides a kind of liquid crystal display devices, which is characterized in that including：Liquid crystal display panel and it is located at The backlight module of the liquid crystal display panel side；
The liquid crystal display panel includes：
Flexible substrate, including plane area and stepped region, the stepped region are located at the plane area at least one side edge；
Liquid crystal layer, the liquid crystal layer are located at side and the liquid crystal of the flexible substrate far from the backlight module Layer is located in the plane area；
Integrated drive electronics is located in the stepped region；
Display drive array is located in the plane area；
The stepped region is bent towards the flexible substrate away from a side surface of the liquid crystal layer, and the step after bending Area is attached to a side surface of the backlight module far from the liquid crystal layer；
The backlight module includes：
Light guide plate, including output optical zone and the bent area positioned at the output optical zone at least side, described in the output optical zone face The plane area of flexible substrate is arranged, and the side of the direction liquid crystal display panel of the output optical zone is provided with light-emitting surface, described The side far from the output optical zone of bent area is provided with incidence surface；
Reflector plate, be located at the light guide plate deviate from the side of the liquid crystal display panel, the bent area towards it is described instead Being bent away from a side surface of the liquid crystal display panel for piece is penetrated, and the incidence surface is located at the back of the body of the reflector plate after bending Side from the liquid crystal display panel；
And light source, be located at the reflector plate away from the side of the liquid crystal display panel, and with the light guide plate Incidence surface is correspondingly arranged.
Liquid crystal display device provided by the invention, including liquid crystal display panel and backlight module, liquid crystal display panel it is soft Property substrate include plane area and bent area, bent area is located at plane area at least one side edge, and bent area deviates from liquid towards flexible substrate One side surface of crystal layer is bent, and bent area is attached to a side surface of the backlight module far from liquid crystal layer after bending；Backlight module In light guide plate, including output optical zone and the bent area positioned at its output optical zone at least side, output optical zone face flexible substrate it is flat Face area is arranged, and bent area is bent towards backlight module away from a side surface of liquid crystal display panel, and after bending described in enter light Face be located at backlight module away from the side of the liquid crystal display panel so that light source be located at backlight module away from described The side of liquid crystal display panel.It avoids because needing frame of the setting for accommodating step area and light source on liquid crystal display device Region, so as to cause the problem that liquid crystal display device border width is big and screen accounting is small, realize stepped region and light source and liquid crystal The viewing area of display panel partly overlaps on the direction perpendicular to backlight module, to reduce the frame of liquid crystal display device Width increases screen accounting.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of liquid crystal display device provided in an embodiment of the present invention；
Fig. 2 is backlight module and liquid crystal display panel position versus figure in liquid crystal display device shown in Fig. 1；
Fig. 3 is the cross-sectional view of the A1-A2 along Fig. 1；
Fig. 4 is the structural schematic diagram of another liquid crystal display device provided in an embodiment of the present invention；
Fig. 5 is backlight module and liquid crystal display panel position versus figure in liquid crystal display device shown in Fig. 4；
Fig. 6 is the cross-sectional view of the B1-B2 along Fig. 4；
Fig. 7 is the structural schematic diagram of another liquid crystal display device provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another liquid crystal display device provided in an embodiment of the present invention；
Fig. 9 is backlight module schematic diagram in another liquid crystal display device provided in an embodiment of the present invention；
Figure 10 is backlight module schematic diagram in another liquid crystal display device provided in an embodiment of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of liquid crystal display device provided in an embodiment of the present invention, and Fig. 2 is liquid crystal shown in Fig. 1 The position versus figure of backlight module and liquid crystal display panel in display device, Fig. 3 are that the cross-section structure of A1-A2 shows along Fig. 1 It is intended to.Referring to Fig. 1, Fig. 2 and Fig. 3, liquid crystal display device 100 includes：Liquid crystal display panel 20 and be located at liquid crystal display panel 20 The backlight module 10 of side.Liquid crystal display panel 20 includes：Array substrate 201, color membrane substrates 202, and it is held on array base The liquid crystal layer 203 in box-like space that plate 201 and color membrane substrates 202 form.
Wherein, array substrate 201 includes flexible substrate 21, and flexible substrate 21 includes plane area 211 and stepped region 212, platform Rank area 212 is located at at least one side edge of plane area 211.It is additionally provided with circuit articulamentum 212a in flexible substrate 21 and display is used Drive array 211a, circuit articulamentum 212a are located in the stepped region 212 of flexible substrate 21, and display is located at drive array 211a In the plane area 211 of flexible substrate 21.
Array substrate 201 can also include binding area 213, and liquid crystal display device 100 further includes flexible printed circuit board FPC It is bundled in flexible substrate 21, is shown by binding area 213 with driving chip IC, driving chip IC and flexible printed circuit board FPC Show and driving chip IC is electrically connected to by circuit articulamentum 212a with drive array 211a, driving chip IC passes through flexible printing electricity Connection line on the plate FPC of road is electrically connected to external drive circuit.Flexible printed circuit board in the present embodiment need not use High-precision flexible printed circuit board, therefore, the driving chip of the present embodiment and the binding mode of flexible printed circuit board reduce The cost of manufacture of liquid crystal display device.
Or：Array substrate 201 includes that binding area 213 is set in stepped region 212, and liquid crystal display device 100 is also Including flexible printed circuit board FPC and driving chip IC, flexible printed circuit board FPC is bundled in flexible liner by binding area 213 On bottom 21, driving chip IC is located on flexible printed circuit board FPC, and display passes through circuit articulamentum 212a with drive array 211a It is electrically connected to driving chip IC with the connection line on flexible printed circuit board FPC, driving chip IC passes through flexible printing electricity again Connection line on the plate FPC of road is electrically connected to external drive circuit.
In this example it is shown that for example may include with drive array 211a：A plurality of D1 along a first direction extends simultaneously The data line of D2 arrangements in a second direction, it is a plurality of along second direction D2 extensions and along the scan line of first direction D1 arrangements, it is more Data line defines multiple sub-pixels with multi-strip scanning line cross arrangement, and multiple sub-pixels include multirow sub-pixel and multiple row sub- picture Element, wherein the sub-pixel positioned at same a line for example can be electrically connected to same scan line, be located at the sub-pixel of same row for example Same data line is can be electrically connected to, each sub-pixel is interior including display driving switch, pixel electrode and public electrode, can With under the control for the scanning signal that scan line provides, receive the data-signal that data line provides so that pixel electrode with it is public A driving electric field is formed between electrode, the bending or rotation of the liquid crystal molecule in liquid crystal layer is driven, to control each sub-pixel Color, the grayscale of corresponding region are shown, and then realize that image is shown.Certainly, display drive array 211a, array substrate are removed 201 can also include touch-control driving structure, be located in the plane area 211 of flexible substrate 21, realize touch function.
It should be noted that in above-mentioned each technical solution, each cabling in circuit articulamentum 212a can be used with display The same layers such as data line, scan line or touch-control cabling in drive array 211a are arranged, and can also be formed by other film layers, can To be set as needed.Each cabling in circuit articulamentum 212a can be located at same film layer, naturally it is also possible to be located at not Same film layer can be realized by via and be electrically connected if each cabling in circuit articulamentum 212a is respectively arranged in multiple film layers.
Liquid crystal layer 203 is located at side and liquid crystal layer 203 of the flexible substrate 21 far from backlight module 10 and is located at flexible substrate In 21 plane area 211.Color membrane substrates 202 are located at side of the liquid crystal layer 203 far from flexible substrate 21, and with flexible substrate 21 Plane area 211 is correspondingly arranged.Stepped region 212 is bent towards flexible substrate 21 away from a side surface of liquid crystal layer 203, and bends backstage Rank area 212 is attached to a side surface of the backlight module 10 far from liquid crystal layer 203.Wherein, plane area 211 is mainly as liquid crystal display Device shows that the region of picture, side of the color membrane substrates 202 far from liquid crystal layer 203 are the light-emitting surface of the liquid crystal display device, shows Show that providing driving liquid crystal molecule to liquid crystal layer 203 with drive array 211a deflects required voltage.
Flexible substrate 21 is arranged in the embodiment of the present invention in liquid crystal display device, and flexible substrate 21 includes 211 He of plane area Stepped region 212 bends stepped region 212 to side of the backlight module 10 far from liquid crystal layer 203, i.e., circuit articulamentum 212a is curved The back side for folding to backlight module realizes circuit articulamentum and display drive array perpendicular to the direction top of backlight module Divide and overlap, be not take up the area of space of liquid crystal display device light emission side, liquid crystal display dress is occupied so as to avoid circuit articulamentum The frame region set, reduces border width.In addition, setting of embodiment of the present invention stepped region is attached to backlight module far from liquid crystal Layer a side surface so that do not blocked by stepped region the output optical zone that backlight module is sent out so that liquid crystal display panel with the back of the body The corresponding part in output optical zone of optical mode group all can serve as the region that liquid crystal display device shows picture substantially, further improve The screen accounting of liquid crystal display device, improves the backlight utilization ratio of liquid crystal display device.
Further, backlight module 10 includes light guide plate 11, positioned at the light source 12 of 11 side of light guide plate and positioned at leaded light The reflector plate 13 away from 20 side of liquid crystal display panel of plate 11, for by light source 12 expose to light guide plate 11 towards reflector plate The light of 13 sides is reflected back light guide plate 11.Wherein, light guide plate 11 is including output optical zone 111 and positioned at the curved of output optical zone at least side Folding area 112, output optical zone 111 and the plane area 211 of flexible substrate 21 are correspondingly arranged, output optical zone 111 towards liquid crystal display panel 20 side is provided with light-emitting surface, and the side of the separate output optical zone 111 of bent area 112 is provided with incidence surface 1121.Light guide plate 11 Bent area 112 bent towards reflector plate 13 away from a side surface of liquid crystal display panel 20, and after bending, the position of light guide plate 11 Incidence surface 1121 in its 112 side of bent area be located at reflector plate 13 away from the side of LCD display 20, light source 12 with lead The incidence surface 1121 of tabula rasa 11 is correspondingly arranged, and deviates from liquid crystal positioned at reflector plate 13 together with the bent area of light guide plate 11 112 The side of display panel 20, the light that light source 12 is sent out are incident to via the incidence surface 1121 of light guide plate 11 inside light guide plate 11, And sent out from the light-emitting surface of light guide plate 11, into liquid crystal display panel 20, backlight is provided for it, so that not having self-luminous The liquid crystal display panel of function realizes display function.The material of light guide plate 11 flexible material such as can be polyimides, with Convenient for showing bending performance, naturally it is also possible to use optical-grade plastic, such as makrolon (PC) or polymethyl acrylate (PMMA) etc., do hot bending process or during making light guide plate by mold one-pass molding.Wherein, the thickness of bent area Such as can be consistent with the thickness of output optical zone, it is also possible that the thickness of bent area is less than the thickness of output optical zone, with into one Step reduces the integral thickness after bent area is superimposed with output optical zone.
Wherein, light source 12 can be for example LED light bar, including the drive circuit board of a bar shaped and be set in turn in driving Multiple LED on circuit board, multiple LED are electrically connected to light source driving circuit by the connection line on drive circuit board.Backlight Module 10 for example can also include the optical diaphragm group for adjusting beam projecting direction and the uniformity, be located at the court of light guide plate 11 To the side of liquid crystal display panel 20, optical diaphragm group includes prismatic lens, diffusion sheet etc..The present embodiment is not limited this.
Liquid crystal display device provided in an embodiment of the present invention, including liquid crystal display panel and backlight module, wherein liquid crystal Show that the flexible substrate 21 of panel includes plane area 211 and stepped region 212, stepped region 212 is located at least a side of plane area 211 Edge, circuit articulamentum 212a are located in the stepped region 212 of flexible substrate 21, and display is located at flexible substrate 21 with drive array 211a Plane area 211, stepped region 212 is bent towards flexible substrate 21 away from a side surface of liquid crystal layer 203, and bends backward step area 212 are attached to a side surface of the backlight module 10 far from liquid crystal layer 203, avoid circuit articulamentum 212a and drive battle array with display Row 211a is located at the frame region of liquid crystal display device, and the border width so as to cause liquid crystal display device is big and screen accounting is small Problem realizes circuit articulamentum 212a and is partly being handed on the direction of backlight module 10 with drive array 211a with display It is folded so that the border width of liquid crystal display device is smaller, screen accounting is larger.
Meanwhile the light guide plate 11 of backlight module includes output optical zone 111 and the bent area positioned at at least side of output optical zone 111 112, bent area 112 is bent towards reflector plate 13 away from a side surface of liquid crystal layer 203, and bent area 112 is attached to instead after bending A side surface of the piece 13 far from liquid crystal layer 203 is penetrated, so that light source 12 is located at side table of the reflector plate 13 far from liquid crystal layer 203 Face avoids the frame region that light source 12 is located at liquid crystal display device, so as to cause liquid crystal display device border width greatly and Shield the small problem of accounting.It will not lead to liquid increasing the light mixing distance between light source 12 and the incidence surface 1121 of light guide plate 11 The border width of crystal device becomes larger, in this way, can increase as needed light source 12 and light guide plate 11 incidence surface 1121 it Between light mixing distance to improve the firefly problem of backlight module.
Further, in order to absolutely prove the bent area 112 of light guide plate 11 and the stepped region 212 of flexible substrate 21 up and down Position correspondence, Fig. 2 puts backlight module 10 with liquid crystal display panel 20 together to be illustrated.As shown in Figures 2 and 3, In the present embodiment, liquid crystal display device 100 includes the upper/lower terminal being oppositely arranged in the first direction dl, wherein light guide plate 11 bent area 112 is located at the upper end of liquid crystal display device 100, and the stepped region 212 of flexible substrate 21 is located at liquid crystal display device 100 lower end.In this way, the light source 12 of backlight module 10 is set to the upper end of liquid crystal display device 100, liquid crystal display panel 20 Driving chip IC and flexible printed circuit board FPC is set to the lower end of liquid crystal display device 100, the bent area 112 of light guide plate 11 Stepped region 212 with flexible substrate 21 is not in lap, light source 12 and the liquid crystal display panel 20 of backlight module 10 Lap will not occur in driving chip IC and flexible printed circuit board FPC, can reduce the whole heap of liquid crystal display device Product thickness, helps to realize the lightening of liquid crystal display device.
Further, in the present embodiment, can also be arranged between the plane area 211 and backlight module 10 of flexible substrate 21 There are a rigid substrate, such as glass substrate, hard plastic substrate, enhance the hardness of liquid crystal display device, realizes hard screen display, It is moved after avoiding the liquid crystal molecule stress in liquid crystal layer and color membrane substrates stress backward shift causes liquid crystal display device to occur The problems such as display brightness is uneven, striped is shown and light leakage.
Optionally, color membrane substrates 202 can also include the substrate of flexible material, to enhance the toughness of color membrane substrates 202, increase The drop resistant performance of strong liquid crystal display device.On this basis, color membrane substrates 202 can also include the substrate of rigid, such as glass Glass substrate, hard plastic substrate etc. are realized hard screen display, are avoided in liquid crystal layer to enhance the hardness of liquid crystal display device After liquid crystal molecule stress it is mobile lead to problems such as liquid crystal display device occur display brightness is uneven, striped is shown and light leakage.
Fig. 4 is the structural schematic diagram of another liquid crystal display device provided in an embodiment of the present invention, and Fig. 5 is liquid shown in Fig. 4 The position relationship contrast schematic diagram of backlight module and liquid crystal display panel in crystal device, Fig. 6 are the B1-B2 along Fig. 4 Cross-sectional view.Liquid crystal display device provided in this embodiment is similar with the structure of liquid crystal display device shown in Fig. 1-3, The difference is that：In the present embodiment, the light source 12 of backlight module 10 and the stepped region 212 of flexible substrate 21 are located at liquid crystal The same end of showing device 100, such as it is all located at the lower end of liquid crystal display device.
Specifically, in the present embodiment, liquid crystal display device 100 is upper and lower including being oppositely arranged in the first direction dl Both ends, wherein the bent area 112 of light guide plate 11 is located at the lower end of liquid crystal display device 100, the stepped region 212 of flexible substrate 21 Positioned at the lower end of liquid crystal display device 100.In this way, the light source 12 of backlight module 10 is set to the lower end of liquid crystal display device 100, The driving chip IC and flexible printed circuit board FPC of liquid crystal display panel 20 are set to the lower end of liquid crystal display device 100, guide-lighting It is superposed with the stepped region 212 of flexible substrate 21 after the bending of bent area 112 of plate 11 and is attached at the separate liquid crystal of reflector plate The side of layer.
Wherein, the length of the stepped region 212 of flexible substrate 21 in the first direction dl is more than the bent area 112 of light guide plate 11 Length in the first direction dl, binding area 213 are located at one end of the separate plane area 211 of bent area 112 so that backlight module 10 light source 12 is superposed with the stepped region 212 of flexible substrate 21, and is located at driving chip IC and/or flexible printed circuit board Between FPC and the plane area of flexible substrate 21 211, and then avoid light source 12 and driving chip IC and/or flexible printed circuit board The superposition of FPC helps to realize the lightening of liquid crystal display device to reduce the whole ulking thickness of liquid crystal display device.
Fig. 7 is the structural schematic diagram of another liquid crystal display device provided in an embodiment of the present invention.Referring to Fig. 7, above-mentioned On the basis of each technical solution, liquid crystal display device 100 includes viewing area AA and notch 1001 at its upper end, notch 1001 Such as can be used for that camera and/or receiver is arranged, setting in this way increases the area of viewing area AA, reduces liquid crystal display dress The area for the non-display area set further improves the screen accounting of liquid crystal display device.Viewing area AA includes being located at notch 1001 First sub- viewing area AA1 of lower section, and the second sub- viewing area AA2 positioned at notch 1001 and the first both sides sub- viewing area AA1. The light source of backlight module includes the first sub-light source 12a and the second sub-light source 12b, wherein the first sub-light source 12a is correspondingly arranged in the One end of the close notch 1001 of one sub- viewing area AA1, the second sub-light source 12b are correspondingly arranged in the upper of the second sub- viewing area AA2 End, and positioned at the both sides of notch 1001.
The bent area of light guide plate is correspondingly arranged in one end with notch 1001 of liquid crystal display device 100, light guide plate Bent area includes first part 112a corresponding with notch 1001 and the second AA2 pairs of sub- viewing area with 1001 both sides of notch The second part 112b answered, the first sub-light source 12a are correspondingly arranged with the incidence surface being set on first part 112a, the second sub-light Source 12b is correspondingly arranged with the incidence surface being set on second part 112b.In the present embodiment, notch 1001 is located at viewing area AA Top edge 21a on, top edge 21a include positioned at 1001 both sides of notch straight line portion and notch 1001 with first son display Boundary part between area AA1, after the various pieces bending of the bent area of light guide plate, the multiple light source part is correspondingly arranged in The side of the lower end towards liquid crystal display device 100 of notch 1001, and the first sub-light source 12a, the second sub-light source 12b be located at On the parallel same straight line of the straight line portion of top edge 21a, so it is easier to control entire liquid crystal display dress when making The uniformity on thickness set.
Fig. 8 is the structural schematic diagram of another liquid crystal display device provided in an embodiment of the present invention.Referring to Fig. 8, this implementation The structure for the liquid crystal display device that example provides is similar with the structure of liquid crystal display device shown in Fig. 7, and notch 1001 is located at display On the top edge of area AA, top edge includes aobvious positioned at the straight line portion 100a and notch 1001 of 1001 both sides of notch and the first son Show the boundary part 1001a between area AA1, after the various pieces bending of the bent area of light guide plate, light source includes multiple sub-light sources, The multiple sub-light source is correspondingly arranged in the side of the lower end towards liquid crystal display device 100 of notch 1001 respectively, difference Be in：The bent area of light guide plate various pieces bending after, the straight line portion 100a of the second sub-light source 12b and top edge away from From equal to the first sub-light source 12a at a distance from the boundary part 1001a of top edge, the length of such corresponding each section bent area Roughly the same, light source is roughly the same with the distance between the light-emitting surface of light guide plate, can improve the brightness of each section in light guide plate Uniformity improves display effect.
Fig. 9 is the structural schematic diagram of backlight module in another liquid crystal display device provided in an embodiment of the present invention.At this In backlight module, light guide plate 11 includes output optical zone 111 and bent area 112, the viewing area pair of output optical zone 111 and liquid crystal display device The method that should be arranged, and uniformly be got ready by using such as laser is arranged in the part in addition to bent area 112 of light guide plate 11 There is site 111a, such as be evenly arranged with site 111a on output optical zone 111, to change the direction of propagation for injecting light, from leading The light-emitting surface of tabula rasa 11 projects, and forms uniform area source.Because bent area 112 is not provided with light extraction position, therefore bends Lattice point structure is no longer set in area 112, prevents light to be emitted from bent area 112, leads to the edge light leakage of liquid crystal display device.
Figure 10 is the structural schematic diagram of backlight module in another liquid crystal display device provided in an embodiment of the present invention.At this In backlight module, the surface of the bent area of light guide plate 11 112 is provided with reflectance coating 113, keeps light anti-towards light guide plate in face It penetrates, improves light utilization, and light is further prevented to be emitted from bent area 112, lead to the edge light leakage of liquid crystal display device.
Further, backlight module further includes reflector 121, is located at the one of the incidence surface of the separate light guide plate 11 of light source 12 Side, light source 12 are located at the inside of reflector 121, are reflected into the light of scattering in light guide plate 11 by reflector 121, improve light Line use ratio.
In addition, the present invention also provides a kind of production method of liquid crystal display device, it please also refer to shown in Fig. 3, the liquid The production method of crystal device includes the following steps：
S1 10, a rigid substrate 22 is provided.
S120, flexible substrate 21 is formed in rigid substrate；Flexible substrate 21 includes plane area 211 and stepped region 212；Platform Rank area 212 is located at at least one side edge of plane area 211.
S130, circuit articulamentum 212a is formed in the stepped region of flexible substrate 21 212, and in the plane of flexible substrate 21 Area 211 forms display drive array 211a.
S140, a color membrane substrates 202 are provided, flexible substrate 21 and color membrane substrates 202 encapsulated box, the liquid crystal of formation Showing device 100.
S150, at least partly region of rigid substrate 22 is removed, to expose the stepped region 212 of flexible substrate 21.
S160, backlight module 10 is set in side of the plane area 211 far from color membrane substrates 202 of flexible substrate 21.It will be soft Property substrate 21 stepped region 212 towards backlight module 10 away from color membrane substrates 202 a side surface bend, until stepped region 212 paste It is attached to a side surface of the backlight module 10 far from color membrane substrates 202.
Light guide plate 11 in above-mentioned backlight module 10 includes output optical zone 111 and bent area 112, the bent area of light guide plate 11 112 bending away from a side surface of liquid crystal display panel towards reflector plate 13, and after bending, light guide plate 11 is located at its bent area The incidence surface of 112 sides be located at reflector plate 13 away from the side of LCD display 20, the incidence surface of light source 12 and light guide plate 11 It is correspondingly arranged, and with the bent area of light guide plate 11 112 together positioned at reflector plate 13 away from the side of liquid crystal display panel 20.
It, can be at " backlight module 10 is arranged in side of the plane area 211 far from color membrane substrates 202 of flexible substrate 21 " So that the stepped region 212 of light source 12 and flexible substrate 21 is located at the upper and lower ends of liquid crystal display device, it is located in other words not With end, it is also possible that the stepped region 212 of light source 12 and flexible substrate 21 is located at the same end of liquid crystal display device, but it is flexible The stepped region of substrate and the light source of backlight module are all located at the side of the separate liquid crystal display panel of backlight module, and are all located at anti- Penetrate the side of the separate liquid crystal display panel of piece.
The production method of liquid crystal display device provided by the invention, by forming flexible substrate 21 in a rigid substrate, Flexible substrate 21 includes plane area 211 and stepped region 212, and stepped region 212 is located at at least one side edge of plane area 211, soft Property substrate 21 stepped region 212 in formed circuit articulamentum 212a, and the plane area of flexible substrate 21 211 formed display drive Dynamic array 211a bends the stepped region 212 of flexible substrate 21 towards backlight module 10 away from a side surface of color membrane substrates 202, Until stepped region 212 is attached to a side surface of the backlight module 10 far from color membrane substrates 202, circuit articulamentum and display are avoided It is located at the frame region of liquid crystal display device with drive array, the border width so as to cause liquid crystal display device is big and shields accounting Small problem realizes circuit articulamentum and display and is partly overlapped on the direction perpendicular to backlight module with drive array, made The production method for obtaining liquid crystal display device reduces the border width of liquid crystal display device, increases screen accounting.
Meanwhile the embodiment of the present invention includes output optical zone and bending positioned at output optical zone at least side by the way that light guide plate is arranged Area, bent area is bent towards reflector plate away from a side surface of liquid crystal layer, and bent area is attached to reflector plate far from liquid crystal after bending One side surface of layer avoids light source and is located at liquid crystal so that light source is located at a side surface of the reflector plate far from liquid crystal layer The frame region of showing device, the problem that the border width so as to cause liquid crystal display device is big and screen accounting is small.Simultaneously to liquid crystal Display panel is done with backlight module such as the design in above-described embodiment so that liquid crystal display device will not be because of liquid crystal display panel The presence of stepped region leads to the increase of rim area, and the increase of its rim area will not be caused because of the presence of the light source of backlight module, Fundamentally realize the liquid crystal display device of the even boundless mount structure of ultra-narrow frame.
It should be noted that above-described embodiment schematically illustrates a kind of " shell at least partly region of rigid substrate From to expose the stepped region of flexible substrate " way of realization, can also be arranged and all remove rigid substrate, only retain flexible Substrate can be set as needed.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.

Claims (11)

1. a kind of liquid crystal display device, which is characterized in that including：Liquid crystal display panel and be located at the liquid crystal display panel side Backlight module；
The liquid crystal display panel includes：
Flexible substrate, including plane area and stepped region, the stepped region are located at the plane area at least one side edge；
Liquid crystal layer, the liquid crystal layer are located at side and the liquid crystal layer position of the flexible substrate far from the backlight module In in the plane area；
Circuit articulamentum is located in the stepped region；
Display drive array is located in the plane area；
The stepped region is bent towards the flexible substrate away from a side surface of the liquid crystal layer, and the stepped region patch after bending It is attached to a side surface of the backlight module far from the liquid crystal layer；
The backlight module includes：
Light guide plate, including output optical zone and the bent area positioned at the output optical zone at least side, the output optical zone and the flexible liner The plane area at bottom is correspondingly arranged, and the side far from the output optical zone of the bent area is provided with incidence surface；
Reflector plate, be located at the light guide plate away from the side of the liquid crystal display panel, the bent area is towards the reflector plate Bent away from a side surface of the liquid crystal display panel, and after bending the incidence surface be located at the reflector plate away from institute State the side of liquid crystal display panel；
And light source, be located at the reflector plate enters light away from the side of the liquid crystal display panel, and with the light guide plate Face is correspondingly arranged.
2. liquid crystal display device according to claim 1, which is characterized in that the liquid crystal display device is included in first party The upper and lower ends being oppositely arranged upwards, the bent area of the light guide plate is located at the upper end of the liquid crystal display device, described The stepped region of flexible substrate is located at the lower end of the liquid crystal display device.
3. liquid crystal display device according to claim 2, which is characterized in that the liquid crystal display device include viewing area with Notch at its upper end, the viewing area include being lacked positioned at the first sub- viewing area of the bottom of the gap, and positioned at described Second sub- viewing area of mouth and the described first sub- viewing area both sides；
The light source includes the first sub-light source and the second sub-light source, and first sub-light source is correspondingly arranged in first son One end of the close notch of viewing area, second sub-light source is correspondingly arranged in the described second sub- viewing area, and is located at institute State the both sides of notch.
4. liquid crystal display device according to claim 3, which is characterized in that it is characterized in that, the viewing area includes position The top edge held thereon, the top edge include positioned at the notch both sides straight line portion and the notch with it is described Boundary part between first sub- viewing area,
Second sub-light source is equal to first sub-light source at a distance from the boundary part at a distance from the straight line portion.
5. liquid crystal display device according to claim 2, which is characterized in that it is characterized in that, the liquid crystal display device Including viewing area and notch at its upper end, the top edge of the viewing area includes positioned at the straight line portion of the notch both sides Point；
The light source includes multiple sub-light sources, and the multiple sub-light source is correspondingly arranged in the direction liquid crystal display of the notch The side of the lower end of device, and the multiple sub-light source is located on the same straight line parallel with the straight line portion.
6. liquid crystal display device according to claim 1, which is characterized in that the liquid crystal display device is included in first party The upper and lower ends being oppositely arranged upwards, the bent area of the light guide plate are located at institute with the stepped region of the flexible substrate The same end of liquid crystal display device is stated,
The stepped region includes positioned at the binding area of its one end far from the plane area, and the light source is correspondingly arranged in described tie up Determine between area and the plane area.
7. liquid crystal display device according to claim 6, which is characterized in that the liquid crystal display device further includes flexible print Printed circuit board and driving chip, the driving chip are bundled in the binding area respectively with the flexible printed circuit board；
Alternatively, the flexible printed circuit board is bundled in the binding area, and the driving chip is arranged in the flexible printing On circuit board.
8. liquid crystal display device according to claim 1, which is characterized in that the surface of the bent area of the light guide plate It is provided with reflectance coating.
9. liquid crystal display device according to claim 1, which is characterized in that the backlight module further includes reflector, position In the side far from the incidence surface of the light source, the light source is located in the reflector.
10. liquid crystal display device according to claim 1, which is characterized in that the light guide plate is in addition to the bent area Part be provided with site.
11. liquid crystal display device according to claim 1, which is characterized in that the material of the light guide plate includes polyamides Asia Amine.
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