WO2017045243A1 - 一种可实现无缝拼接的多屏显示装置 - Google Patents

一种可实现无缝拼接的多屏显示装置 Download PDF

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Publication number
WO2017045243A1
WO2017045243A1 PCT/CN2015/092547 CN2015092547W WO2017045243A1 WO 2017045243 A1 WO2017045243 A1 WO 2017045243A1 CN 2015092547 W CN2015092547 W CN 2015092547W WO 2017045243 A1 WO2017045243 A1 WO 2017045243A1
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WIPO (PCT)
Prior art keywords
liquid crystal
crystal panel
display portion
disposed
transparent support
Prior art date
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PCT/CN2015/092547
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English (en)
French (fr)
Inventor
樊勇
Original Assignee
深圳市华星光电技术有限公司
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Priority to US14/891,726 priority Critical patent/US9897840B2/en
Publication of WO2017045243A1 publication Critical patent/WO2017045243A1/zh

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    • 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
    • G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • G02F1/133608—Direct backlight including particular frames or supporting means

Definitions

  • the invention belongs to the technical field of display panel splicing, and in particular relates to a multi-screen display device which can realize seamless splicing.
  • LCDs liquid crystal displays
  • the splicing method of the existing liquid crystal display is to form a large screen by arranging and superimposing a plurality of independent liquid crystal displays.
  • Figure 1 provides a schematic diagram of a prior art splicing into a large screen using a plurality of liquid crystal displays.
  • each of the independent liquid crystal displays has its own frame (where the width of the frame is B), and two adjacent liquid crystal displays must have a gap during the splicing process (wherein the gap)
  • the width is A), which results in the presence of a large fault on the large screen.
  • the image cannot be displayed in the displayed fault, and the visually presented image is split and the display effect is extremely poor.
  • an object of the present invention is to provide a multi-display device capable of seamlessly splicing, comprising: a plurality of first liquid crystal panels arranged at intervals, two adjacent each a second liquid crystal panel disposed between the liquid crystal panels and a backlight module disposed opposite to the first liquid crystal panel and the second liquid crystal panel; the first liquid crystal panel including the first display portion and the first display a first non-display portion formed by extending an edge of the portion, the second liquid crystal panel comprising a second display portion and a second non-display portion extending from an edge of the second display portion; the second non-display portion And being fixed to a portion of the first display portion adjacent to the first non-display portion, wherein the first non-display portion is fixed to the second display portion adjacent to the second non-display portion Part under.
  • a boundary between the first non-display portion and the first display portion is aligned with a boundary between the second non-display portion and the second display portion.
  • the second non-display portion is adhered to a portion of the first display portion adjacent to the first non-display portion by a transparent adhesive, and the first non-display portion passes the transparent adhesive Adhered to a portion of the second display portion adjacent to the second non-display portion.
  • a lower polarizer of the second liquid crystal panel extends to an edge of the first liquid crystal panel under the second liquid crystal panel
  • an upper polarizer of the first liquid crystal panel extends to An edge of the second liquid crystal panel above the first liquid crystal panel.
  • the backlight module includes: a back frame including at least a bottom plate and side plates respectively located at two side ends of the bottom plate, wherein the side plates are used for supporting the first liquid crystal panel and the second liquid crystal panel; a plurality of light sources disposed opposite each of the first liquid crystal panels; and a plurality of light sources disposed on the bottom plate opposite to each of the second liquid crystal panels.
  • the backlight module further includes: a transparent support column disposed under the stack of each of the first liquid crystal panels and the adjacent second liquid crystal panels for supporting the first liquid crystal panel and the second liquid crystal panel .
  • each transparent support column includes: a first sub-transparent support column and a second sub-transparent support column; wherein each first sub-transparent support post is disposed between its corresponding first liquid crystal panel and the bottom plate, To support its corresponding first liquid crystal panel; each second sub-transparent support pillar is disposed between its corresponding second liquid crystal panel and the bottom plate to support its corresponding second liquid crystal panel.
  • the backlight module further includes: a first light improving component disposed between each of the first liquid crystal panels and its corresponding side plate and the first sub-transparent support post; and a second liquid crystal panel disposed thereon a second light improving component between the corresponding side panel and the second sub-transparent support post; wherein the first light improving component is configured to improve a quality of light that is incident on the first liquid crystal panel, the second light
  • the improvement assembly is for improving the quality of light that is incident on the second liquid crystal panel.
  • the first light improvement component includes: a first diffusion plate and is disposed on the first diffusion a plurality of optical films above the diffuser plate, the first diffuser plate being disposed on its corresponding side plate and the first sub-transparent support column.
  • the second light improving component comprises: a second diffusing plate and a plurality of optical films disposed on the second diffusing plate, wherein the second diffusing plate is disposed on the corresponding side plate and the second side thereof Above the sub-transparent support column, the second diffusion plate and each of the optical films disposed on the second diffusion plate extend to an edge of the first liquid crystal panel below the corresponding second liquid crystal panel.
  • the invention has the beneficial effects that the multi-screen display device of the invention realizes the purpose of seamless splicing, realizes the purpose of seamless display, and greatly improves the display effect of the multi-screen display.
  • FIG. 1 is a schematic diagram of a conventional splicing into a large screen using a plurality of liquid crystal displays
  • FIG. 2 is a side view of a multi-screen display device that can achieve seamless stitching in accordance with an embodiment of the present invention
  • FIG. 3 is a schematic diagram showing division of a first display portion and a first non-display portion of a first liquid crystal panel according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram showing divisions of a second display portion and a second non-display portion of a second liquid crystal panel according to an embodiment of the present invention
  • FIG. 5 is a side view of a multi-screen display device spliced using two first liquid crystal panels and two second liquid crystal panels, in accordance with an embodiment of the present invention.
  • FIG. 2 is a side view of a multi-screen display device that can achieve seamless stitching in accordance with an embodiment of the present invention.
  • a multi-screen display device includes a first liquid crystal panel 10, a second liquid crystal panel 20, and a backlight module 30 disposed opposite to the first liquid crystal panel 10 and the second liquid crystal panel 20.
  • the first liquid crystal panel 10 includes an upper substrate 11 and a lower substrate 12 provided to the cartridge, liquid crystal molecules 13 disposed between the upper substrate 11 and the lower substrate 12, and upper substrate 11 and lower substrate a transparent liquid crystal encapsulant 14 between 12 and at both ends of the upper substrate 11 and the lower substrate 12, and an upper polarizer 15 attached to the upper substrate 11 and a lower polarizer 16 attached to the lower substrate 12; wherein, the upper substrate 11 is generally referred to as a color filter (CF) substrate; and the lower substrate 12 is generally referred to as an Array substrate.
  • CF color filter
  • the structure of the first liquid crystal panel 10 of the present invention is not limited to the structure shown in FIG.
  • the second liquid crystal panel 20 includes an upper substrate 21 and a lower substrate 22 provided to the cartridge, liquid crystal molecules 23 disposed between the upper substrate 21 and the lower substrate 22, and the upper substrate 21 a transparent liquid crystal encapsulant 24 between the lower substrate 22 and the lower substrate 22, and an upper polarizer 25 attached to the upper substrate 21 and a lower polarizer 26 attached to the lower substrate 22;
  • the upper substrate 21 is generally referred to as a color filter (CF) substrate; and the lower substrate 22 is generally referred to as an Array substrate.
  • CF color filter
  • the structure of the second liquid crystal panel 20 of the present invention is not limited to the structure shown in FIG.
  • a region having the liquid crystal molecules 13 in the first liquid crystal panel 10 is used as the first display portion 10a for displaying an image, and a region having the transparent liquid crystal encapsulant 14 in the first liquid crystal panel 10 is taken as The first non-display portion 10b; that is, in FIG. 3, the both end edges of the first display portion 10a extend to form two first non-display portions 10b respectively located on the left and right sides of the first display portion 10a. Since FIG. 3 only shows a side view of the first liquid crystal panel 10 side, only two first non-display portions 10b respectively located on the left and right sides of the first display portion 10a are shown in FIG.
  • Two first non-display portions 10b respectively located on the front and rear sides of the first display portion 10a are formed along the direction perpendicular to the paper surface.
  • the first display portion 10a can extend along the four sides thereof to form four A non-display portion 10b.
  • the area of the second liquid crystal panel 20 having the liquid crystal molecules 23 is used as the second display portion 20a for displaying images, and the second liquid crystal panel 20 is provided with the transparent liquid crystal encapsulant 24.
  • the second non-display portion 20b is formed in the second display portion 20b.
  • FIG. 4 only shows a side view of the side of the second liquid crystal panel 20, only two second non-display portions 20b respectively located on the left and right sides of the second display portion 20a are shown in FIG. 4; Two second non-display portions 20b respectively located on the front and rear sides of the second display portion 20a are formed along the direction perpendicular to the paper surface.
  • the second display portion 20a may extend along its circumference to form four second non-display portions 20b.
  • the second non-display portion 20b on one side of the second liquid crystal panel 20 is fixed on a portion of the first display portion 10a adjacent to the adjacent first non-display portion 10b, and the side is The first display portion 10a adjacent to the second non-display portion 20b is fixed under the second display portion 20a adjacent to the second non-display portion 20b on the one side so that the portion of the second liquid crystal panel 20 is stacked on the first Above a portion of a liquid crystal panel 10.
  • the transparent liquid crystal encapsulant 24 in the second non-display portion 20b on the one side is transparent
  • the second non-display portion 20b on the side is The light displayed by the portion of the first display portion 10a can pass through the transparent liquid crystal encapsulant 24 to display an image, so that when the first liquid crystal panel 10 and the second liquid crystal panel 20 are viewed as a whole, there is no existing between the two.
  • the “showing faults” in the technology enables seamless stitching and seamless display.
  • the boundary between the second non-display portion 20b and the second display portion 20a on one side of the second liquid crystal panel 20 and its adjacent first non-display portion 10b and the first display The boundaries between the portions 10a are aligned, and the vertical dashed lines in Fig. 2 indicate the alignment of the two.
  • the second non-display portion 20b on one side of the second liquid crystal panel 20 is fixedly bonded to the portion of the first display portion 10a adjacent to the adjacent first non-display portion 10b by the transparent adhesive 40.
  • the first display portion 10a adjacent to the second non-display portion 20b on the one side is fixedly bonded to the second display portion 20a adjacent to the second non-display portion 20b of the one side by the transparent adhesive 40.
  • the lower polarizer 26 of the second liquid crystal panel 20 extends to the second liquid crystal of the first liquid crystal panel 10.
  • the edge below the panel 20, and the upper polarizer 15 of the first liquid crystal panel 10 extends to the edge of the second liquid crystal panel 20 above the first liquid crystal panel 10. That is, neither the lower polarizer 26 nor the upper polarizer 15 is disposed at the stack of the first liquid crystal panel 10 and the second liquid crystal panel.
  • the backlight module 30 provides uniform display light to the first liquid crystal panel 10 and the second liquid crystal panel 20 to cause the first liquid crystal panel 10 and the second liquid crystal panel 20 to display images.
  • the backlight module 30 includes a back frame 31 and a light source 32.
  • the back frame 31 includes a bottom plate 311 and a first side plate 312 and a second side plate 313 respectively located at two side ends of the bottom plate 311.
  • the first side plate 312 is used to support the first liquid crystal panel 10
  • the second side plate 313 is used to support the second liquid crystal panel 20.
  • the present invention is not limited thereto, for example, the first side plate 312. It can be used to support the second liquid crystal panel 20, and the second side plate 313 can be used to support the first liquid crystal panel 10.
  • the height of the second side plate 313 is greater than the height of the first side plate 312.
  • a plurality of light sources 32 opposed to the first liquid crystal panel 10 are fixedly disposed on the bottom plate 311.
  • a plurality of light sources 32 opposed to the second liquid crystal panel 20 are fixedly disposed on the bottom plate 311.
  • the light source 32 may be a light emitting diode (LED) and a lens for diffusing light emitted from the LED; however, the invention is not limited thereto.
  • the backlight module 30 further includes: a first liquid crystal panel 10 and a second liquid crystal panel 20 disposed under the stacking portion for supporting the first liquid crystal The transparent support pillars 33 of the panel 10 and the second liquid crystal panel 20.
  • the transparent support pillar 33 includes: a first sub-transparent support pillar 331 and a second sub-transparent support pillar 332; wherein the first sub-transparent support pillar 331 is disposed on a portion of the first liquid crystal panel located under the second liquid crystal panel 20 10 and the bottom plate 311 to support the first liquid crystal panel 10; the second sub-transparent support column 332 is disposed between the second liquid crystal panel 20 and the bottom plate 311 and closely adjacent to the first liquid crystal panel under the second liquid crystal panel 20 The edge of 10 is to support the second liquid crystal panel 20.
  • first sub-transparent support column 331 has the same height as the first side plate 312, and the second sub-transparent support column 332 has the same height as the second side plate 313.
  • first sub-transparent support column 331 and the second sub-transparent support column 332 may be integrally formed or independent of each other, and are not specifically limited in the present invention.
  • the backlight module 30 further includes: a first portion disposed between the first liquid crystal panel 10 and the first side plate 312 and the first sub-transparent support column 331 A light improving component 34 and a second light improving component 35 disposed between the second liquid crystal panel 20 and the second side panel 313 and the second sub-transparent support post 332.
  • the first light improving component 34 includes a first diffusing plate 341 and a plurality of optical films 342 disposed on the first diffusing plate 341; wherein the first diffusing plate 341 is disposed on the first side plate 312 and the first sub-transparent support Above the column 331.
  • the second light improving component 35 includes a second diffusing plate 351 and a plurality of optical films 352 disposed on the second diffusing plate 351; wherein the second diffusing plate 351 is disposed on the second side plate 313 and the second sub-transparent support Above the pillar 332, and the second diffusion plate 351 and the plurality of optical films 352 thereon extend to the edge of the first liquid crystal panel 10 below the second liquid crystal panel 20.
  • FIG. 5 shows a side view of a multi-screen display device formed using two first liquid crystal panels 10 and two second liquid crystal panels 20. Referring to FIG. 5, the first liquid crystal panel 10 and the second liquid crystal panel 20 are alternately disposed, and the first liquid crystal panel 10 and the adjacent second liquid crystal panel 20 are stacked and stacked using the structure shown in FIG. 2. Further, a transparent support post 33 for supporting the first liquid crystal panel and the second liquid crystal panel is disposed under the stacking of each of the first liquid crystal panels 10 and the adjacent second liquid crystal panels 20; wherein each How to set the transparent support column 33 is shown in Figure 2.
  • the multi-screen display device achieves the purpose of seamless splicing, and achieves the purpose of seamless display, and greatly improves the display effect of the multi-screen display.

Abstract

一种可实现无缝拼接的多屏显示装置包括：间隔排列的多个第一液晶面板（10）、在每相邻的两个第一液晶面板（10）之间设置的第二液晶面板（20）以及与第一液晶面板（10）和第二液晶面板（20）相对设置的背光模块（30）；第一液晶面板（10）包括第一显示部（10a）以及由第一显示部（10a）边缘延伸形成的第一非显示部（10b），第二液晶面板（20）包括第二显示部（20a）以及由第二显示部（20a）边缘延伸形成的第二非显示部（20b）；第二非显示部（20b）固定于第一显示部（10a）的与第一非显示部（10b）邻接的部分之上。实现了无缝显示的目的，大大提高了多屏显示的显示效果。

Description

一种可实现无缝拼接的多屏显示装置 技术领域
本发明属于显示屏拼接技术领域，具体地讲，涉及一种可实现无缝拼接的多屏显示装置。
背景技术
随着光电与半导体技术的演进，也带动了平板显示器(Flat Panel Display)的蓬勃发展，而在诸多平板显示器中，液晶显示器(Liquid Crystal Display，简称LCD)因具有高空间利用效率、低消耗功率、无辐射以及低电磁干扰等诸多优越特性，已被应用于生产生活的各个方面。
然而，现有的液晶显示器由于尺寸有限，所以在需要大屏幕显示的场合，例如繁华地段的广告显示等场景，可能需要多个液晶显示器拼接在一起才能达到大屏幕尺寸的要求。
现有的液晶显示器的拼接方法是将多个独立的液晶显示器通过排列叠加的方式组成一个大屏幕。图1提供了一种现有的利用多个液晶显示器拼接成一个大屏幕的示意图。如图1所示，每个独立的液晶显示器都有各自的边框(其中，该边框的宽度为B)，且相邻的两个独立的液晶显示器在拼接过程中必然存在空隙(其中，该空隙的宽度为A)，这就导致组成的大屏幕存在显示断层，在显示断层内无法显示图像，视觉上呈现的图像呈分裂状，显示效果极差。
发明内容
为了解决上述现有技术存在的问题，本发明的目的在于提供一种可实现无缝拼接的多屏显示装置，其包括：间隔排列的多个第一液晶面板、在每相邻的两个第一液晶面板之间设置的第二液晶面板以及与所述第一液晶面板和所述第二液晶面板相对设置的背光模块；所述第一液晶面板包括第一显示部以及由所述第一显示部边缘延伸形成的第一非显示部，所述第二液晶面板包括第二显示部以及由所述第二显示部边缘延伸形成的第二非显示部；所述第二非显示部 固定于所述第一显示部的与所述第一非显示部邻接的部分之上，且所述第一非显示部固定于所述第二显示部的与所述第二非显示部邻接的部分之下。
进一步地，所述第一非显示部和所述第一显示部之间的界线与所述第二非显示部和所述第二显示部之间的界线对齐。
进一步地，所述第二非显示部通过透明胶粘合于所述第一显示部的与所述第一非显示部邻接的部分之上，且所述第一非显示部通过所述透明胶粘合于所述第二显示部的与所述第二非显示部邻接的部分之下。
进一步地，所述第二液晶面板的下偏光片延伸至位于所述第二液晶面板之下的所述第一液晶面板的边缘，且所述第一液晶面板的上偏光片延伸至位于所述第一液晶面板之上的所述第二液晶面板的边缘。
进一步地，所述背光模块包括：背框，至少包括底板及分别位于所述底板两侧端的侧板，其中，所述侧板用于支撑第一液晶面板和第二液晶面板；所述底板上设置的与每个第一液晶面板相对的多个光源；以及所述底板上设置的与每个第二液晶面板相对的多个光源。
进一步地，所述背光模块还包括：在每个第一液晶面板和其相邻的第二液晶面板的叠放处之下设置的用于支撑第一液晶面板和第二液晶面板的透明支撑柱。
进一步地，每个透明支撑柱包括：第一子透明支撑柱和第二子透明支撑柱；其中，每个第一子透明支撑柱设置在其对应的第一液晶面板和所述底板之间，以支撑其对应的第一液晶面板；每个第二子透明支撑柱设置在其对应的第二液晶面板和所述底板之间，以支撑其对应的第二液晶面板。
进一步地，所述背光模块还包括：设置在每个第一液晶面板和其对应的侧板和第一子透明支撑柱之间的第一光线改善组件以及设置在每个第二液晶面板和其对应的侧板和第二子透明支撑柱之间的第二光线改善组件；其中，所述第一光线改善组件用于改善照射到所述第一液晶面板的光线的质量，所述第二光线改善组件用于改善照射到所述第二液晶面板的光线的质量。
进一步地，所述第一光线改善组件包括：第一扩散板和设置于所述第一扩 散板之上的多张光学膜片，所述第一扩散板设置在其对应的侧板和第一子透明支撑柱之上。
进一步地，所述第二光线改善组件包括：第二扩散板和设置于所述第二扩散板之上的多张光学膜片，所述第二扩散板设置在其对应的侧板和第二子透明支撑柱之上，所述第二扩散板和设置在所述第二扩散板上的每张光学膜片均延伸至对应的第二液晶面板之下的第一液晶面板的边缘。
本发明的有益效果：本发明的多屏显示装置，实现了无缝拼接的目的，并且实现了无缝显示的目的，大大提高了多屏显示的显示效果。
附图说明
通过结合附图进行的以下描述，本发明的实施例的上述和其它方面、特点和优点将变得更加清楚，附图中：
图1提供了一种现有的利用多个液晶显示器拼接成一个大屏幕的示意图；
图2是根据本发明的实施例的可实现无缝拼接的多屏显示装置的侧视图；
图3是根据本发明的实施例的第一液晶面板的第一显示部和第一非显示部的划分示意图；
图4是根据本发明的实施例的第二液晶面板的第二显示部和第二非显示部的划分示意图；
图5是根据本发明的实施例的利用两个第一液晶面板和两个第二液晶面板拼接成的多屏显示装置的侧视图。
具体实施方式
以下，将参照附图来详细描述本发明的实施例。然而，可以以许多不同的形式来实施本发明，并且本发明不应该被解释为限制于这里阐述的具体实施例。相反，提供这些实施例是为了解释本发明的原理及其实际应用，从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。在附图中，为了清楚器件，夸大了层和区域的厚度。
将理解的是，尽管在这里可使用术语“第一”、“第二”等来描述各种元件，但是这些元件不应受这些术语的限制。这些术语仅用于将一个元件与另一个元件区分开来。
图2是根据本发明的实施例的可实现无缝拼接的多屏显示装置的侧视图。
参照图2，根据本发明的实施例的多屏显示装置包括：第一液晶面板10、第二液晶面板20以及与第一液晶面板10和第二液晶面板20相对设置的背光模块30。
作为本发明的一实施方式，第一液晶面板10包括对盒设置的上基板11和下基板12、设置在上基板11和下基板12之间的液晶分子13、设置在上基板11和下基板12之间且分别位于上基板11和下基板12两端的透明液晶封装胶14以及贴附在上基板11上的上偏光片15和贴附在下基板12上的下偏光片16；其中，上基板11通常称为彩色滤光片(Color Fliter，简称CF)基板；而下基板12通常称为阵列(Array)基板。应当说明的是，本发明的第一液晶面板10的结构并不局限于图2所示的结构。
同样地，作为本发明的一实施方式，第二液晶面板20包括对盒设置的上基板21和下基板22、设置在上基板21和下基板22之间的液晶分子23、设置在上基板21和下基板22之间且分别位于上基板21和下基板22两端的透明液晶封装胶24以及贴附在上基板21上的上偏光片25和贴附在下基板22上的下偏光片26；其中，上基板21通常称为彩色滤光片(Color Fliter，简称CF)基板；而下基板22通常称为阵列(Array)基板。同样地，应当说明的是，本发明的第二液晶面板20的结构并不局限于图2所示的结构。
在本实施例中，参照图3，第一液晶面板10中具有液晶分子13的区域被作为显示影像的第一显示部10a，而第一液晶面板10中具有透明液晶封装胶14的区域被作为第一非显示部10b；也就是说，在图3中，第一显示部10a的两端边缘分别延伸形成分别位于第一显示部10a左右两侧的两个第一非显示部10b。由于图3仅示出了第一液晶面板10一侧的侧视图，所以图3中仅示出了分别位于第一显示部10a左右两侧的两个第一非显示部10b；应当说明的是，沿着垂直于纸面的方向，也形成了分别位于第一显示部10a前后两侧的两个第一非显示部10b。换句话讲，第一显示部10a可沿其四周分别延伸形成四个第 一非显示部10b。
同样地，在本实施例中，参照图4，第二液晶面板20中具有液晶分子23的区域被作为显示影像的第二显示部20a，而第二液晶面板20中具有透明液晶封装胶24的区域被作为第二非显示部20b；也就是说，在图4中，第二显示部20a的两端边缘分别延伸形成分别位于第二显示部20a左右两侧的两个第二非显示部20b。由于图4仅示出了第二液晶面板20一侧的侧视图，所以图4中仅示出了分别位于第二显示部20a左右两侧的两个第二非显示部20b；应当说明的是，沿着垂直于纸面的方向，也形成了分别位于第二显示部20a前后两侧的两个第二非显示部20b。换句话讲，第二显示部20a可沿其四周分别延伸形成四个第二非显示部20b。
参照图2至图4，第二液晶面板20的一侧的第二非显示部20b固定于其相邻的第一非显示部10b邻接的部分第一显示部10a之上，而与该一侧的第二非显示部20b相邻的第一显示部10a固定于该一侧的第二非显示部20b邻接的第二显示部20a之下，以使第二液晶面板20的部分叠放到第一液晶面板10的部分之上。这样，当第一液晶面板10和第二液晶面板20在显示影像使，由于该一侧的第二非显示部20b中的透明液晶封装胶24透明，所以该一侧的第二非显示部20b之下的部分第一显示部10a显示的光线可穿过透明液晶封装胶24而显示影像，从而在整体上看第一液晶面板10和第二液晶面板20时，二者之间不存在现有技术中的“显示断层”，实现了无缝拼接、无缝显示。
进一步地，为了实现良好的显示效果，第二液晶面板20的一侧的第二非显示部20b和第二显示部20a之间的界线和其相邻的第一非显示部10b和第一显示部10a之间的界线对齐，图2中以竖直的虚线表示二者对齐。
此外，在本实施例中，第二液晶面板20的一侧的第二非显示部20b通过透明胶40固定粘合于其相邻的第一非显示部10b邻接的部分第一显示部10a之上，而与该一侧的第二非显示部20b相邻的第一显示部10a通过该透明胶40固定粘合于该一侧的第二非显示部20b邻接的第二显示部20a之下，以使第二液晶面板20的部分固定叠放到第一液晶面板10的部分之上。
为了加强第二液晶面板20和第一液晶面板10之间的粘合力，在本实施例中，第二液晶面板20的下偏光片26延伸至第一液晶面板10的位于第二液晶 面板20之下的边缘，而第一液晶面板10的上偏光片15延伸至第二液晶面板20的位于第一液晶面板10之上的边缘。也就是说，下偏光片26和上偏光片15均不在第一液晶面板10和第二液晶面板的叠放处设置。
继续参照图2，根据本发明的实施例的背光模块30向第一液晶面板10和第二液晶面板20提供均匀的显示光线，以使第一液晶面板10和第二液晶面板20显示影像。背光模块30包括：背框31和光源32。
背框31包括底板311及分别位于底板311两侧端的第一侧板312和第二侧板313。在本实施例中，第一侧板312用于支撑第一液晶面板10，第二侧板313用于支撑第二液晶面板20；但本发明并不局限于此，例如，第一侧板312可用于支撑第二液晶面板20，第二侧板313可用于支撑第一液晶面板10。
由于第二液晶面板20与底板311之间的距离大于第一液晶面板10与底板311之间的距离，因此第二侧板313的高度大于第一侧板312的高度。
在底板311上固定设置与第一液晶面板10相对的多个光源32；同样地，在底板311上固定设置与第二液晶面板20相对的多个光源32。在本实施例中，光源32可由发光二极管(LED)及用于扩散LED发出的光线的透镜；但本发明并不限制于此。
为了进一步加强对第一液晶面板10和第二液晶面板20的支撑，背光模块30还包括：在第一液晶面板10和第二液晶面板20的叠放处之下设置的用于支撑第一液晶面板10和第二液晶面板20的透明支撑柱33。具体地，透明支撑柱33包括：第一子透明支撑柱331和第二子透明支撑柱332；其中，第一子透明支撑柱331设置在位于第二液晶面板20之下的部分第一液晶面板10与底板311之间，以支撑第一液晶面板10；第二子透明支撑柱332设置在第二液晶面板20与底板311之间且紧贴位于第二液晶面板20之下的第一液晶面板10的边缘，以支撑第二液晶面板20。
进一步地，第一子透明支撑柱331与第一侧板312的高度相同，而第二子透明支撑柱332与第二侧板313的高度相同。此外，第一子透明支撑柱331和第二子透明支撑柱332可一体成型或者相互独立，本发明并不作具体限定。
为了改善提供到第一液晶面板10和第二液晶面板的光线的质量，背光模块30还包括：设置在第一液晶面板10和第一侧板312和第一子透明支撑柱331之间的第一光线改善组件34以及设置在第二液晶面板20和第二侧板313和第二子透明支撑柱332之间的第二光线改善组件35。
第一光线改善组件34包括第一扩散板341和设置于第一扩散板341之上的多张光学膜片342；其中，第一扩散板341设置在第一侧板312和第一子透明支撑柱331之上。第二光线改善组件35包括第二扩散板351和设置于第二扩散板351之上的多张光学膜片352；其中，第二扩散板351设置在第二侧板313和第二子透明支撑柱332之上，并且第二扩散板351和其上的多张光学膜片352均延伸至第一液晶面板10的位于第二液晶面板20之下的边缘。
在图2中，仅示出了利用两个液晶面板，即第一液晶面板10和第二液晶面板20构成本实施例的多屏显示装置；但本发明并不限制于此，例如，可以在行方向和/或列方向交替设置任意数量的第一液晶面板10和第二液晶面板20构成本发明的多屏显示装置。图5示出了利用两个第一液晶面板10和两个第二液晶面板20形成的多屏显示装置的侧视图。参照图5，第一液晶面板10和第二液晶面板20交替设置，并且第一液晶面板10和相邻的第二液晶面板20利用图2所示的结构叠放组合在一起。此外，在每个第一液晶面板10和其相邻的第二液晶面板20的叠放处之下设置一个用于支撑第一液晶面板和第二液晶面板的透明支撑柱33；其中，每个透明支撑柱33如何设置请参照图2所示。
综上所述，根据本发明的实施例的多屏显示装置，实现了无缝拼接的目的，并且实现了无缝显示的目的，大大提高了多屏显示的显示效果。
虽然已经参照特定实施例示出并描述了本发明，但是本领域的技术人员将理解：在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下，可在此进行形式和细节上的各种变化。

Claims (10)

  1. 一种可实现无缝拼接的多屏显示装置，其中，包括：间隔排列的多个第一液晶面板、在每相邻的两个第一液晶面板之间设置的第二液晶面板以及与所述第一液晶面板和所述第二液晶面板相对设置的背光模块；
    所述第一液晶面板包括第一显示部以及由所述第一显示部边缘延伸形成的第一非显示部，所述第二液晶面板包括第二显示部以及由所述第二显示部边缘延伸形成的第二非显示部；
    所述第二非显示部固定于所述第一显示部的与所述第一非显示部邻接的部分之上，且所述第一非显示部固定于所述第二显示部的与所述第二非显示部邻接的部分之下。
  2. 根据权利要求1所述的多屏显示装置，其中，所述第一非显示部和所述第一显示部之间的界线与所述第二非显示部和所述第二显示部之间的界线对齐。
  3. 根据权利要求1所述的多屏显示装置，其中，所述第二非显示部通过透明胶粘合于所述第一显示部的与所述第一非显示部邻接的部分之上，且所述第一非显示部通过所述透明胶粘合于所述第二显示部的与所述第二非显示部邻接的部分之下。
  4. 根据权利要求3所述的多屏显示装置，其中，所述第二液晶面板的下偏光片延伸至位于所述第二液晶面板之下的所述第一液晶面板的边缘，且所述第一液晶面板的上偏光片延伸至位于所述第一液晶面板之上的所述第二液晶面板的边缘。
  5. 根据权利要求1所述的多屏显示装置，其中，所述背光模块包括：
    背框，至少包括底板及分别位于所述底板两侧端的侧板，其中，所述侧板用于支撑第一液晶面板和第二液晶面板；
    所述底板上设置的与每个第一液晶面板相对的多个光源；以及
    所述底板上设置的与每个第二液晶面板相对的多个光源。
  6. 根据权利要求5所述的多屏显示装置，其中，所述背光模块还包括：在每个第一液晶面板和其相邻的第二液晶面板的叠放处之下设置的用于支撑第一液晶面板和第二液晶面板的透明支撑柱。
  7. 根据权利要求6所述的多屏显示装置，其中，每个透明支撑柱包括：第一子透明支撑柱和第二子透明支撑柱；其中，每个第一子透明支撑柱设置在其对应的第一液晶面板和所述底板之间，以支撑其对应的第一液晶面板；每个第二子透明支撑柱设置在其对应的第二液晶面板和所述底板之间，以支撑其对应的第二液晶面板。
  8. 根据权利要求7所述的多屏显示装置，其中，所述背光模块还包括：设置在每个第一液晶面板和其对应的侧板和第一子透明支撑柱之间的第一光线改善组件以及设置在每个第二液晶面板和其对应的侧板和第二子透明支撑柱之间的第二光线改善组件；其中，所述第一光线改善组件用于改善照射到所述第一液晶面板的光线的质量，所述第二光线改善组件用于改善照射到所述第二液晶面板的光线的质量。
  9. 根据权利要求8所述的多屏显示装置，其中，所述第一光线改善组件包括：第一扩散板和设置于所述第一扩散板之上的多张光学膜片，所述第一扩散板设置在其对应的侧板和第一子透明支撑柱之上。
  10. 根据权利要求8所述的多屏显示装置，其中，所述第二光线改善组件包括：第二扩散板和设置于所述第二扩散板之上的多张光学膜片，所述第二扩散板设置在其对应的侧板和第二子透明支撑柱之上，所述第二扩散板和设置在其上的每张光学膜片均延伸至位于对应的第二液晶面板之下的第一液晶面板的边缘。
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