WO2023245717A1 - 拼接显示装置 - Google Patents

拼接显示装置 Download PDF

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Publication number
WO2023245717A1
WO2023245717A1 PCT/CN2022/103119 CN2022103119W WO2023245717A1 WO 2023245717 A1 WO2023245717 A1 WO 2023245717A1 CN 2022103119 W CN2022103119 W CN 2022103119W WO 2023245717 A1 WO2023245717 A1 WO 2023245717A1
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WO
WIPO (PCT)
Prior art keywords
display
display unit
vacuum
display device
spliced
Prior art date
Application number
PCT/CN2022/103119
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English (en)
French (fr)
Inventor
范勇平
Original Assignee
Tcl华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tcl华星光电技术有限公司 filed Critical Tcl华星光电技术有限公司
Priority to JP2022552431A priority Critical patent/JP2024530060A/ja
Publication of WO2023245717A1 publication Critical patent/WO2023245717A1/zh

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/302Indicating 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
    • G09F9/3026Video wall, i.e. stackable semiconductor matrix display modules
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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 semiconductor devices, e.g. diodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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 semiconductor devices, e.g. diodes
    • G09F9/335Indicating 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 semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/35Indicating 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

Definitions

  • a splicing display device includes:
  • a vacuum unit is located on a side of the first display unit away from the second display unit, is connected to the vacuum adsorption member, and is used to evacuate the vacuum adsorption member.
  • the splicing display device also includes a connecting pipe, one end of the connecting pipe is connected to the vacuum unit, and the other end of the connecting pipe is inserted into the adsorption hole.
  • a first receiving groove is located in the non-display area of the first display unit, on the surface of the first display unit close to the second display unit, and is provided corresponding to the second display unit;
  • the vacuum adsorption component includes a vacuum suction cup, which is disposed in the first accommodation tank;
  • the first display unit is a liquid crystal display module
  • the second display unit is a light emitting diode light panel.
  • the first display unit includes a liquid crystal display panel and a backlight module
  • the backlight module includes a backplane
  • the backplane includes a bottom panel and a bottom panel disposed along an edge of the bottom panel.
  • Side plates, the side plates of the back plate are arranged around the liquid crystal display panel, and the side plates of the back plate are located in the non-display area of the first display unit, and are vacuum adsorbed Components are provided in the side panels.
  • the spliced display device further includes:
  • a vacuum valve is connected between the vacuum adsorption component and the vacuum unit.
  • the two sets of vacuum adsorption members respectively located in the non-display area at the splicing point of two adjacent first display units are arranged symmetrically.
  • the first display unit includes:
  • the rear housing is located on the back side of the light-emitting surface of at least two spliced and connected first display units.
  • the rear housing has an accommodation cavity.
  • the vacuum valve and the vacuum unit are provided on the rear housing. in the receiving cavity.
  • the present application provides a splicing display device, in which the second display unit is adsorbed and fixed to the non-display area at the splicing point of two adjacent first display units, so as to improve the fixation of the second display unit at the splicing point of two adjacent first display units.
  • the flatness of the non-display area is improved, thereby improving the display effect of the spliced display device.
  • Figure 1 is a schematic cross-sectional view of a spliced display device according to an embodiment of the present application
  • Figure 4 is a schematic cross-sectional view of a spliced display device according to another embodiment of the present application.
  • the first display unit 10 is a liquid crystal display module.
  • the first display unit 10 includes a liquid crystal display panel 102 and a backlight module 103 located on the back side of the light-emitting surface of the liquid crystal display panel 102 .
  • the backlight module 103 includes a backplane 1031, a lamp panel, a diffusion plate, an optical film, etc.
  • the back panel 1031 includes a bottom panel 1032 and four first side panels 1033.
  • the bottom panel 1032 is rectangular.
  • the four first side panels 1033 are arranged along the four edges of the bottom panel 1032.
  • the four first side panels 1033 and the bottom panel 1032 are enclosed into one.
  • the first accommodating cavity 1031a, the lamp panel, the diffusion plate, the optical film, etc. are arranged in the first accommodating cavity 1031a.
  • the liquid crystal display panel 102 is fixed on the first side plate 1033 of the back plate 1031 , and the first side plate 1033 is arranged around the liquid crystal display panel 102 .
  • the display area of the liquid crystal display panel 102 is the display area 10a of the first display unit 10
  • the non-display area 10b of the first display unit 10 includes the non-display area of the liquid crystal display panel 102
  • the non-display area 10b of the first display unit 10 is set
  • At least two first display units 10 may be spliced and connected along the same direction, or may be spliced and connected along two perpendicularly intersecting directions. Specifically, at least two first display units 10 are spliced and connected in the same direction. Two adjacent first display units that are spliced and connected have a splicing point M. The splicing point M has a splicing seam and a non-display area of the first display unit 10 . Zone 10b.
  • the second display unit 20 is a light emitting diode light panel.
  • the second display unit 20 includes a substrate and a plurality of inorganic light emitting diodes disposed on the substrate.
  • the substrate is a printed circuit board, and the inorganic light-emitting diode can be a micro-light-emitting diode or a sub-millimeter light-emitting diode.
  • the spliced display device 100 also includes a flexible printed circuit board 80 and a control circuit board 90 .
  • One end of the flexible printed circuit board 80 is connected to the back of the light-emitting surface of the second display unit 20 , and the other end of the flexible printed circuit board 80 is connected to the control circuit board 90 so that the control circuit board 90 can control the second display unit 20 to emit light.
  • the spliced display device 100 also includes a middle frame 110 .
  • the middle frame 110 includes a frame 1101 and four second side panels 1102 connected to the frame 1101 .
  • the frame 1101 is a rectangular frame.
  • the frame 1101 is located on the side of the liquid crystal display panel 102 away from the backlight module 103 and is arranged parallel to the liquid crystal display panel 102.
  • the frame 1101 is located in the non-display area of the splicing display device 100.
  • the frame 1101 The opening overlaps the display area 10a of at least two first display units 10 and the second display unit 20.
  • the four second side plates 1102 are vertically connected to the frame 1101.
  • the four second side plates 1102 are arranged one-to-one with the four first side plates 1033 and are located on the periphery of the four first side plates 1033.
  • the second side The plate 1102 is detachably fixed on the first side plate 1033.
  • the rear housing 60 is located on the back side of at least two spliced-connected first display units 10 , and the rear housing 60 is detachably fixed to the back side of the first display units 10 .
  • the rear housing 60 has a second accommodation cavity 60a. Specifically, the rear housing 60 is detachably fixed on the bottom plate 1032 of the back plate 1031 .
  • the second display unit 20 is used to block the splicing seam of the splicing point M and the non-display area 10b of the first display unit 10, and the second display unit 20 displays to avoid the splicing of two adjacent first display units.
  • the splicing seam of the splicing point M and the non-display area 10b of the first display unit 10 are identifiable by human eyes.
  • each second display unit 20 passes through The adsorption and fixation to the non-display area 10b of the first display unit 10 allows the second display unit 20 to be flatly fixed to the non-display area 10b of the first display unit 10, thereby improving the display effect of the spliced display device 100.
  • a set of vacuum adsorption members 30 a is provided in the non-display area 10 b at the splicing point M of two adjacent first display units 10 .
  • the set of vacuum adsorption members 30 a includes a plurality of vacuum adsorption members 30 .
  • the distance between any two adjacent vacuum adsorption members 30 in the extension direction of the splicing seam is equal.
  • the vacuum adsorption member 30 includes an adsorption hole 301 located on the first side plate 1033 of the back plate 1031 close to the splicing seam.
  • the adsorption hole 301 extends in the thickness direction of the first display unit 10 and penetrates the first side plate 1033 .
  • the adsorption hole 301 is a cylindrical hole. It can be understood that the adsorption holes 301 may also be square prism holes or triangular prism holes.
  • the vacuum valve 40 is used to adjust the negative pressure condition in the vacuum adsorption member 30 .
  • the vacuum valve 40 is connected between the vacuum suction member 30 and the vacuum unit 50, and one vacuum valve 40 is connected to a group of vacuum suction members 30a.
  • one end of the plurality of first connecting pipes 701 is connected to the plurality of first ends of the vacuum valve 40 one-to-one, the other end of the first connecting pipe 701 is inserted into the adsorption hole 301, and the other end of the first connecting pipe 701 It has good sealing performance with the adsorption hole 301, which is beneficial to maintaining the negative pressure condition in the vacuum adsorption member 30.
  • One end of a second connecting pipe 702 is connected to the second end of the vacuum valve 40 , and the other end of the second connecting pipe 702 is connected to the vacuum unit 50 .
  • the first connecting pipe 701 and the second connecting pipe 702 are both plastic flexible pipes and can be used for gas ventilation.
  • the first display unit 10 includes a second accommodating groove 1032c.
  • the second accommodating groove 1032c is located on the back of the first display unit 10 away from the second display unit 20.
  • the second accommodating groove 1032c corresponds to the vacuum adsorption member.
  • the vacuum valve 40 is detachably fixed in the second accommodation groove 1032c.
  • a second accommodating groove 1032c is provided on the surface of the bottom plate 1032 of the back plate 1031 away from the liquid crystal display panel 102, and the vacuum valve 40 is disposed in the second accommodating groove 1032c.
  • vacuum valve 40 can also be disposed in the second accommodation cavity 60a of the rear housing 60.
  • the spliced display device of this embodiment uses the vacuum unit 50 to evacuate the adsorption holes 301 so that the pressure in the adsorption holes 301 is less than the atmospheric pressure. Under the pressure difference between the pressure in the adsorption holes 301 and the atmospheric pressure, the second display unit 20 It is adsorbed on the adsorption hole 301, so that the second display unit 20 is adsorbed and fixed to the non-display area 10b of the first display unit 10. Moreover, the vacuum valve 40 can adjust the negative pressure condition in the adsorption hole 301, thereby adjusting the flatness of the non-display area 10b of the second display unit 20 that is adsorbed and fixed to the first display unit 10.
  • the spliced display device shown in Figure 4 is basically similar to the spliced display device shown in Figure 1. The difference is that the first display unit 10 also includes a first receiving groove 1033a and a through hole 1033b. A receiving groove 1033a is located on the surface of the first display unit 10 close to the second display unit 20. The first receiving groove 1033a is located in the non-display area 10b of the first display unit 10 and is provided corresponding to the second display unit 20.
  • the through hole 1033b is provided corresponding to and connected with the first accommodating groove 1033a, and extends in the thickness direction of the first display unit 10; the vacuum suction member 30 includes a vacuum suction cup 302, and the vacuum suction cup 302 is disposed in the first accommodating groove 1033a.
  • a connecting pipe 701 is provided in the through hole 1033b. One end of the first connecting pipe 701 is connected to the vacuum suction cup 302, the other end of the first connecting pipe 701 is connected to the vacuum valve 40, and the second connecting pipe 702 is connected to the vacuum valve 40 and the vacuum pump.
  • the second connecting pipe 702 is located in the second accommodation cavity 60 a of the rear housing 60 .
  • the first accommodating groove 1033a and the through hole 1033b are provided on the first side plate 1033 of the back plate 1031.
  • the first accommodating groove 1033a is located on the surface of the first side plate 1033 close to the second display unit 20.
  • the cross-sectional area of the accommodating groove 1033a in the direction parallel to the bottom plate 1032 decreases from close to the second display unit 20 to away from the second display unit 20.
  • the first accommodating groove 1033a is funnel-shaped, and the through hole 1033b is in the first display unit. 10 extends in the thickness direction, and the through hole 1033b communicates with the first receiving groove 1033a.
  • the shape of the vacuum suction cup 302 is the same as that of the first accommodating groove 1033a.
  • the vacuum suction cup 302 is arranged in the first accommodating groove 1033a.
  • One end of the first connecting tube 701 is connected to the vacuum suction cup 302, and the other end of the first connecting tube 701 is connected to the vacuum suction cup 302.
  • the valve 40 is connected, and the second connecting pipe 702 connects the vacuum valve 40 and the vacuuming unit 50 .
  • the second connecting pipe 702 is located in the second accommodation cavity 60 a of the rear housing 60 .
  • the vacuum suction cup 302 is used to adsorb the second display unit 20 , which is beneficial to improving the adsorption effect on the second display unit 20 .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Multimedia (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

一种拼接显示装置(100),拼接显示装置(100)包括:至少两个拼接连接的第一显示单元(10),第一显示单元(10)具有非显示区(10b);以及第二显示单元(20),位于第一显示单元(10)的出光侧,吸附固定于相邻两个第一显示单元(10)拼接处的非显示区(10b)。

Description

拼接显示装置 技术领域
本申请涉及显示技术领域,尤其涉及一种拼接显示装置。
背景技术
目前,将发光二极管灯条对应拼接连接的两个液晶显示面板的拼接处设置,是实现大尺寸显示屏视角无缝拼接的方式之一。然而,发光二极管灯条固定于液晶显示面板上的平整度直接影响大尺寸显示屏的显示效果。
因此,有必要提出一种技术方案以提高发光二极管灯条固定于液晶显示面板上的平整度。
技术问题
本申请的目的在于提供一种拼接显示装置,以提高第二显示单元固定于相邻两个第一显示单元拼接处的非显示区的平整度。
技术解决方案
一种拼接显示装置,所述拼接显示装置包括:
至少两个拼接连接的第一显示单元,所述第一显示单元具有非显示区;以及第二显示单元,位于所述第一显示单元的出光侧,且吸附固定于相邻两个所述第一显示单元拼接处的非显示区。
在一些实施例的拼接显示装置中,所述拼接显示装置还包括:
真空吸附构件,位于所述第一显示单元的非显示区,且对应所述第二显示单元设置,用于吸附所述第二显示单元;以及
抽真空单元,位于所述第一显示单元远离所述第二显示单元的一侧,与所述真空吸附构件连接,且用于对所述真空吸附构件抽真空。
在一些实施例的拼接显示装置中,所述真空吸附构件包括吸附孔,在所述第一显示单元的厚度方向上延伸;
所述拼接显示装置还包括连接管,所述连接管的一端连接所述抽真空单元,所述连接管的另一端插入所述吸附孔中。
在一些实施例的拼接显示装置中,所述第一显示单元还包括:
第一容置槽,位于所述第一显示单元的所述非显示区,位于所述第一显示单元靠近所述第二显示单元的表面上,且对应所述第二显示单元设置;以及
通孔,与所述第一容置槽对应设置且连通,在所述第一显示单元的厚度方向上延伸;
所述真空吸附构件包括真空吸盘,设置于所述第一容置槽中;
所述拼接显示装置还包括连接管,所述连接管的至少部分设置于所述通孔中,所述连接管的一端连接所述真空吸盘,所述连接管的另一端与所述抽真空单元连接。
在一些实施例的拼接显示装置中,所述第一显示单元为液晶显示模组,所述第二显示单元为发光二极管灯板。
在一些实施例的拼接显示装置中,所述第一显示单元包括液晶显示面板和背光模组,所述背光模组包括背板,所述背板包括底板和沿着所述底板的边缘设置的侧板,所述背板的所述侧板围合设置在所述液晶显示面板的周围,并且所述背板的所述侧板位于所述第一显示单元的所述非显示区,真空吸附构件设置于所述侧板中。
在一些实施例的拼接显示装置中,所述拼接显示装置还包括:
真空阀,连接于所述真空吸附构件与所述抽真空单元之间。
在一些实施例的拼接显示装置中,相邻两个所述第一显示单元的拼接处的非显示区分别设置有一组所述真空吸附构件,一组所述真空吸附构件包括多个所述真空吸附构件,一个所述真空阀与一组所述真空吸附构件连接。
在一些实施例的拼接显示装置中,分别位于相邻两个所述第一显示单元的拼接处的非显示区的两组所述真空吸附构件对称设置。
在一些实施例的拼接显示装置中,所述第一显示单元包括:
第二容置槽,位于所述第一显示单元远离所述第二显示单元的背面;
其中,所述真空阀可拆卸地固定于所述第二容置槽中。
在一些实施例的拼接显示装置中,所述拼接显示装置还包括:
后壳体,位于至少两个拼接连接的所述第一显示单元出光面的背侧,所述后壳体具有容置腔,所述真空阀和所述抽真空单元设置于所述后壳体的容置腔中。
有益效果
本申请提供一种拼接显示装置,通过第二显示单元吸附固定于相邻两个第一显示单元拼接处的非显示区,以提高第二显示单元固定于相邻两个第一显示单元拼接处的非显示区的平整度,进而提高拼接显示装置的显示效果。
附图说明
图1为本申请一实施例拼接显示装置的截面示意图;
图2为图1所示拼接显示装置中的第一显示单元和真空阀的平面示意图;
图3为沿图2所示A-A切线的截面示意图;
图4为本申请另一实施例拼接显示装置的截面示意图;
图5为图4所示拼接显示装置的局部放大示意图。
本发明的实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述。显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
请参阅图1、图2及图3,本申请提供一种拼接显示装置100,拼接显示装置100包括至少两个第一显示单元10、第二显示单元20、真空吸附构件30、真空阀40、抽真空单元50、后壳体60、第一连接管701、第二连接管702。
第一显示单元10用于显示。第一显示单元10具有显示区10a和非显示区10b,非显示区10b位于显示区10a的外围且围绕显示区10a设置。
第一显示单元10为液晶显示模组。第一显示单元10包括液晶显示面板102和位于液晶显示面板102出光面的背侧的背光模组103。
背光模组103包括背板1031、灯板、扩散板以及光学膜片等。背板1031包括底板1032和四个第一侧板1033,底板1032呈矩形,四个第一侧板1033沿着底板1032的四个边缘设置,四个第一侧板1033与底板1032围合成一个第一容置腔1031a,灯板、扩散板以及光学膜片等设置于第一容置腔1031a中。
液晶显示面板102固定于背板1031的第一侧板1033上,且第一侧板1033围合设置在液晶显示面板102的周围。液晶显示面板102的显示区为第一显示单元10的显示区10a,第一显示单元10的非显示区10b包括液晶显示面板102的非显示区,且第一显示单元10的非显示区10b设置有背板1031的第一侧板1033。
可以理解的是,第一显示单元10也可以是微型发光二极管显示装置、次毫米发光二极管显示装置、有机发光二极管显示装置或者量子点显示装置。
至少两个第一显示单元10可以沿同一个方向拼接连接,也可以沿两个垂直相交的方向拼接连接。具体地,至少两个第一显示单元10沿同一个方向拼接连接,相邻两个拼接连接的第一显示单元具有拼接处M,拼接处M具有拼接缝和第一显示单元10的非显示区10b。
为了避免相邻两个拼接连接的第一显示单元的拼接处M的拼接缝和第一显示单元10的非显示区10b为人眼识别,每个第二显示单元20位于第一显示单元的出光侧,且吸附固定于相邻两个第一显示单元10拼接处M的非显示区10b。
第二显示单元20为发光二极管灯板。第二显示单元20包括基板和设置基板上的多个无机发光二极管。基板为印刷电路板,无机发光二极管可以为微型发光二极管或次毫米发光二极管。
拼接显示装置100还包括柔性印刷电路板80和控制电路板90。柔性印刷电路板80的一端连接于第二显示单元20出光面的背面,柔性印刷电路板80的另一端与控制电路板90连接,以使控制电路板90能控制第二显示单元20发光。
拼接显示装置100还包括中框110,中框110包括框体1101和与框体1101连接的四个第二侧板1102。框体1101为矩形框体,框体1101位于液晶显示面板102远离背光模组103的一侧且平行于液晶显示面板102设置,框体1101位于拼接显示装置100的非显示区,框体1101的开口与至少两个第一显示单元10的显示区10a和第二显示单元20重叠。四个第二侧板1102垂直连接于框体1101上,四个第二侧板1102与四个第一侧板1033一对一地设置且位于四个第一侧板1033的外围,第二侧板1102可拆卸地固定于第一侧板1033上。
后壳体60位于至少两个拼接连接的第一显示单元10的背侧,且后壳体60可拆卸地固定于第一显示单元10的背面。后壳体60具有第二容置腔60a。具体地,后壳体60可拆卸地固定于背板1031的底板1032上。
本实施例通过第二显示单元20对拼接处M的拼接缝和第一显示单元10的非显示区10b进行遮挡,第二显示单元20显示,避免相邻两个拼接连接的第一显示单元的拼接处M的拼接缝和第一显示单元10的非显示区10b为人眼识别。而且,相较于利用毫米级厚度的胶层粘接第二显示单元和第一显示单元,会由于胶层的厚度不均导致不平整固定问题,本实施例由于每个第二显示单元20通过吸附固定于第一显示单元10的非显示区10b,使得第二显示单元20能平整地固定于第一显示单元10的非显示区10b,进而提高拼接显示装置100的显示效果。
真空吸附构件30用于吸附第二显示单元20。真空吸附构件30位于第一显示单元10的非显示区10b,且对应第二显示单元20设置。
请参阅图2和图3,相邻两个第一显示单元10的拼接处M的非显示区10b分别设置有一组真空吸附构件30a,一组真空吸附构件30a包括多个真空吸附构件30。
一组真空吸附构件30a的多个真空吸附构件30沿拼接缝的延伸方向并排设置。一组真空吸附构件30a的多个真空吸附构件30也可以呈单排、两排或多排设置。一组真空吸附构件30a的多个真空吸附构件30也可以呈矩形或其他形状排布。
一组真空吸附构件30a的多个真空吸附构件30沿拼接缝的延伸方向并排设置时,在拼接缝的延伸方向上,任意相邻两个真空吸附构件30之间的间距相等。
分别位于相邻两个第一显示单元10的拼接处M的非显示区10b的两组真空吸附构件30a对称设置,以使得两组真空吸附构件30a对第二显示单元20的吸附力相同,第二显示单元20能更平整地固定于相邻两个第一显示单元10的非显示区10b。
真空吸附构件30包括吸附孔301,吸附孔301位于背板1031靠近拼接缝的第一侧板1033上,吸附孔301在第一显示单元10的厚度方向上延伸且贯穿第一侧板1033。
吸附孔301为圆柱孔。可以理解的是,吸附孔301也可以为四棱柱孔或三棱柱孔。
抽真空单元50用于对真空吸附构件30抽真空。抽真空单元50位于第一显示单元10远离第二显示单元20的一侧。抽真空单元50设置于后壳体60的第二容置腔60a中。抽真空单元50可以为真空压缩机。
真空阀40用于调整真空吸附构件30中的负压条件。真空阀40连接于真空吸附构件30与抽真空单元50之间,且一个真空阀40与一组真空吸附构件30a连接。
具体地,多个第一连接管701的一端与真空阀40的多个第一端一对一连接,一个第一连接管701的另一端插入吸附孔301中,第一连接管701的另一端与吸附孔301之间具有良好的密封性,有利于保持真空吸附构件30中的负压条件。一个第二连接管702的一端与真空阀40的第二端连接,一个第二连接管702的另一端与抽真空单元50连接。第一连接管701和第二连接管702均为塑料柔管,可以用于通气体。
如图3所示,第一显示单元10包括第二容置槽1032c,第二容置槽1032c位于第一显示单元10远离第二显示单元20的背面,第二容置槽1032c对应真空吸附构件30设置,真空阀40可拆卸地固定于第二容置槽1032c中。
具体地,背板1031的底板1032远离液晶显示面板102的表面上设置有第二容置槽1032c,真空阀40设置于第二容置槽1032c中。
可以理解的是,真空阀40也可以设置于后壳体60的第二容置腔60a中。
本实施例拼接显示装置通过抽真空单元50对吸附孔301进行抽真空,以使吸附孔301中的压力小于大气压,在吸附孔301中的压力与大气压的压差作用下,第二显示单元20吸附于吸附孔301上,进而使得第二显示单元20吸附固定于第一显示单元10的非显示区10b。而且,真空阀40可以调节吸附孔301中的负压条件,进而调整第二显示单元20吸附固定于第一显示单元10的非显示区10b的平整度。
请参阅图4和图5,图4所示拼接显示装置与图1所示拼接显示装置基本相似,不同之处在于,第一显示单元10还包括第一容置槽1033a以及通孔1033b,第一容置槽1033a位于第一显示单元10靠近第二显示单元20的表面上,第一容置槽1033a位于第一显示单元10的非显示区10b且对应第二显示单元20设置,通孔1033b与第一容置槽1033a对应设置且连通,通孔1033b在第一显示单元10的厚度方向上延伸;真空吸附构件30包括真空吸盘302,真空吸盘302设置于第一容置槽1033a中,第一连接管701设置于通孔1033b中,第一连接管701的一端与真空吸盘302连接,第一连接管701的另一端与真空阀40连接,第二连接管702连接真空阀40与抽真空单元50,第二连接管702位于后壳体60的第二容置腔60a中。
具体地,第一容置槽1033a和通孔1033b设置于背板1031的第一侧板1033上,第一容置槽1033a位于第一侧板1033靠近第二显示单元20的表面上,第一容置槽1033a在平行于底板1032的方向上的截面的面积从靠近第二显示单元20至远离第二显示单元20递减,第一容置槽1033a呈漏斗型,通孔1033b在第一显示单元10的厚度方向上延伸,通孔1033b与第一容置槽1033a连通。真空吸盘302的形状与第一容置槽1033a相同,真空吸盘302设置于第一容置槽1033a中,第一连接管701的一端与真空吸盘302连接,第一连接管701的另一端与真空阀40连接,第二连接管702连接真空阀40与抽真空单元50,第二连接管702位于后壳体60的第二容置腔60a中。
本实施例通过真空吸盘302对第二显示单元20进行吸附,有利于改善对第二显示单元20的吸附效果。
以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想;本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (20)

  1. 一种拼接显示装置,其中,所述拼接显示装置包括:
    至少两个拼接连接的第一显示单元,所述第一显示单元具有非显示区,所述第一显示单元为液晶显示模组;以及
    第二显示单元,位于所述第一显示单元的出光侧,且吸附固定于相邻两个所述第一显示单元拼接处的非显示区,所述第二显示单元包括基板和设置基板上的多个无机发光二极管,所述无机发光二极管为微型发光二极管或次毫米发光二极管。
  2. 根据权利要求1所述的拼接显示装置,其中,所述拼接显示装置还包括:
    真空吸附构件,位于所述第一显示单元的非显示区,且对应所述第二显示单元设置,用于吸附所述第二显示单元;以及
    抽真空单元,位于所述第一显示单元远离所述第二显示单元的一侧,与所述真空吸附构件连接,且用于对所述真空吸附构件抽真空。
  3. 根据权利要求2所述的拼接显示装置,其中,所述真空吸附构件包括吸附孔,所述吸附孔在所述第一显示单元的厚度方向上延伸;
    所述拼接显示装置还包括连接管,所述连接管的一端连接所述抽真空单元,所述连接管的另一端插入所述吸附孔中。
  4. 根据权利要求2所述的拼接显示装置,其中,所述第一显示单元还包括:
    第一容置槽,位于所述第一显示单元的所述非显示区,位于所述第一显示单元靠近所述第二显示单元的表面上,且对应所述第二显示单元设置;以及
    通孔,与所述第一容置槽对应设置且连通,在所述第一显示单元的厚度方向上延伸;
    所述真空吸附构件包括真空吸盘,设置于所述第一容置槽中;
    所述拼接显示装置还包括连接管,所述连接管的至少部分设置于所述通孔中,所述连接管的一端连接所述真空吸盘,所述连接管的另一端与所述抽真空单元连接。
  5. 根据权利要求1所述的拼接显示装置,其中,所述第一显示单元包括液晶显示面板和背光模组,所述背光模组包括背板,所述背板包括底板和沿着所述底板的边缘设置的侧板,所述背板的所述侧板围合设置在所述液晶显示面板的周围,并且所述背板的所述侧板位于所述第一显示单元的所述非显示区,所述真空吸附构件设置于所述侧板中。
  6. 根据权利要求2所述的拼接显示装置,其中,所述拼接显示装置还包括:
    真空阀,连接于所述真空吸附构件与所述抽真空单元之间。
  7. 根据权利要求6所述的拼接显示装置,其中,相邻两个所述第一显示单元的拼接处的非显示区分别设置有一组所述真空吸附构件,一组所述真空吸附构件包括多个所述真空吸附构件,一个所述真空阀与一组所述真空吸附构件连接。
  8. 根据权利要求7所述的拼接显示装置,其中,分别位于相邻两个所述第一显示单元的拼接处的非显示区的两组所述真空吸附构件对称设置。
  9. 一种拼接显示装置,其中,所述拼接显示装置包括:
    至少两个拼接连接的第一显示单元,所述第一显示单元具有非显示区;以及
    第二显示单元,位于所述第一显示单元的出光侧,且吸附固定于相邻两个所述第一显示单元拼接处的非显示区。
  10. 根据权利要求9所述的拼接显示装置,其中,所述拼接显示装置还包括:
    真空吸附构件,位于所述第一显示单元的非显示区,且对应所述第二显示单元设置,用于吸附所述第二显示单元;以及
    抽真空单元,位于所述第一显示单元远离所述第二显示单元的一侧,与所述真空吸附构件连接,且用于对所述真空吸附构件抽真空。
  11. 根据权利要求10所述的拼接显示装置,其中,所述真空吸附构件包括吸附孔,所述吸附孔在所述第一显示单元的厚度方向上延伸;
    所述拼接显示装置还包括连接管,所述连接管的一端连接所述抽真空单元,所述连接管的另一端插入所述吸附孔中。
  12. 根据权利要求10所述的拼接显示装置,其中,所述第一显示单元还包括:
    第一容置槽,位于所述第一显示单元的所述非显示区,位于所述第一显示单元靠近所述第二显示单元的表面上,且对应所述第二显示单元设置;以及
    通孔,与所述第一容置槽对应设置且连通,在所述第一显示单元的厚度方向上延伸;
    所述真空吸附构件包括真空吸盘,设置于所述第一容置槽中;
    所述拼接显示装置还包括连接管,所述连接管的至少部分设置于所述通孔中,所述连接管的一端连接所述真空吸盘,所述连接管的另一端与所述抽真空单元连接。
  13. 根据权利要求10所述的拼接显示装置,其中,所述第一显示单元为液晶显示模组,所述第二显示单元为发光二极管灯板。
  14. 根据权利要求13所述的拼接显示装置,其中,所述第一显示单元包括液晶显示面板和背光模组,所述背光模组包括背板,所述背板包括底板和沿着所述底板的边缘设置的侧板,所述背板的所述侧板围合设置在所述液晶显示面板的周围,并且所述背板的所述侧板位于所述第一显示单元的所述非显示区,所述真空吸附构件设置于所述侧板中。
  15. 根据权利要求10所述的拼接显示装置,其中,所述拼接显示装置还包括:
    真空阀,连接于所述真空吸附构件与所述抽真空单元之间。
  16. 根据权利要求15所述的拼接显示装置,其中,相邻两个所述第一显示单元的拼接处的非显示区分别设置有一组所述真空吸附构件,一组所述真空吸附构件包括多个所述真空吸附构件,一个所述真空阀与一组所述真空吸附构件连接。
  17. 根据权利要求16所述的拼接显示装置,其中,分别位于相邻两个所述第一显示单元的拼接处的非显示区的两组所述真空吸附构件对称设置。
  18. 根据权利要求16所述的拼接显示装置,其中,一组真空吸附构件的多个所述真空吸附构件沿所述拼接处的拼接缝的延伸方向并排设置。
  19. 根据权利要求15所述的拼接显示装置,其中,所述第一显示单元包括:
    第二容置槽,位于所述第一显示单元远离所述第二显示单元的背面;
    其中,所述真空阀可拆卸地固定于所述第二容置槽中。
  20. 根据权利要求15所述的拼接显示装置,其中,所述拼接显示装置还包括:
    后壳体,位于至少两个拼接连接的所述第一显示单元出光面的背侧,所述后壳体具有容置腔,所述真空阀和所述抽真空单元设置于所述后壳体的所述容置腔中。
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