WO2017015978A1 - 显示装置及电子设备 - Google Patents

显示装置及电子设备 Download PDF

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Publication number
WO2017015978A1
WO2017015978A1 PCT/CN2015/086015 CN2015086015W WO2017015978A1 WO 2017015978 A1 WO2017015978 A1 WO 2017015978A1 CN 2015086015 W CN2015086015 W CN 2015086015W WO 2017015978 A1 WO2017015978 A1 WO 2017015978A1
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WO
WIPO (PCT)
Prior art keywords
display
display area
area
light
concave lens
Prior art date
Application number
PCT/CN2015/086015
Other languages
English (en)
French (fr)
Inventor
孟小龙
Original Assignee
深圳市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 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/891,653 priority Critical patent/US10409098B2/en
Publication of WO2017015978A1 publication Critical patent/WO2017015978A1/zh

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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
    • G02F1/13336—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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel 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
    • 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
    • G02F1/133331—Cover glasses
    • 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
    • G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
    • 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
    • G02F1/133391—Constructional arrangement for sub-divided displays

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display device and an electronic device.
  • large-screen display devices have become more and more widely used.
  • large-screen display devices are mainly implemented by large-screen splicing technology, such as CRT rear projection display wall, LCD rear projection display wall, DLP rear projection display wall, and plasma display wall.
  • the large-screen splicing technology is a display device that forms a large screen by splicing a plurality of display devices.
  • a splicing technique is used, there is a problem that a seam of a plurality of display devices can be seen.
  • the liquid crystal display device includes a liquid crystal display panel, a backlight, a circuit and a power source that supply an electronic signal to the liquid crystal display panel, and a housing that houses them.
  • the liquid crystal display panel has a pair of glass substrates and a liquid crystal layer held between a pair of glass substrates. A color filter layer and a counter electrode are disposed on one of the pair of glass substrates, and a TFT, a bus line, and a drive circuit for supplying a signal thereto are disposed on the other glass substrate.
  • the liquid crystal display panel has a display area in which a plurality of pixels are arranged and a bezel area located in the periphery of the display area. In the frame region, a sealing portion for opposing and holding a pair of substrates, sealing a liquid crystal layer, a driving circuit mounting portion for driving pixels, and the like are provided. Therefore, pixels cannot be provided in the frame region, which does not contribute to display.
  • the technical problem to be solved by the present invention is to provide a display device to solve the problem of splicing seams which occur when a large-screen display device is displayed in the prior art.
  • a technical solution adopted by the present invention is to provide a display device including: at least one display panel having a display area in which a plurality of pixels are arranged and a frame area disposed on an outer side of the display area; At least one concave lens disposed at an edge of the display area for diverging a portion of the light emitted from the display area toward the side of the frame region; and at least one convex lens, one side edge of the convex lens being aligned with an inner side of the concave lens facing the display area, The convex lens crosses the boundary between the display area and the frame area, and the other side edge is flush with the edge of the frame area for separating the light diverging from the concave lens in parallel; after passing through the concave lens and the convex lens, the light emitting surface of the display device is at any position
  • the display device further includes a transparent cover, the transparent cover covers the display panel, the concave lens and the convex lens are located between the transparent cover and the display panel
  • the edge of the concave lens is flush with the edge of the display area or extends beyond the display area to the frame area.
  • the display device further comprises a backlight, wherein the backlight emits light having a higher intensity of light incident on the second display area than the light emitted into the first display area, and the light emitted by the backlight into the first display area
  • the intensity is equal everywhere, and the intensity of the light emitted by the backlight into the second display area gradually increases from the position at the boundary with the first display area toward the frame area.
  • a display device including: at least one display panel having a display area in which a plurality of pixels are arranged and a frame area disposed on an outer side of the display area At least one concave lens disposed at an edge of the display area for diverging a portion of the light emitted from the display area toward the side of the frame region; and at least one convex lens, one side edge of the convex lens being aligned with the inner side of the concave lens facing the display area
  • the convex lens crosses the boundary between the display area and the frame area, and the other side edge is flush with the edge of the frame area, and is used for parallelly emitting the light diverging from the concave lens; and the position of the light-emitting surface of the display device after the concave lens and the convex lens There are parallel exits everywhere.
  • the concave lens is formed on the display panel or fixed on the display panel.
  • the edge of the concave lens is flush with the edge of the display area or extends beyond the display area to the frame area.
  • the display device further includes a transparent cover, the transparent cover covers the display panel, and the concave lens and the convex lens are located between the transparent cover and the display panel.
  • the convex lens is formed on the transparent cover or fixed on the transparent cover.
  • the display area includes a first display area and a second display area.
  • the plurality of pixels in the first display area are evenly arranged, and the plurality of pixels in the second display area are from the boundary position with the first display area toward the frame area.
  • Arranging gradually; the pixels of the first display area are uniformly displayed on the light-emitting surface of the display device facing the first display area; the pixels of the second display area are diverged by the concave lens and then aligned by the convex lens on the display device
  • the second display area and the border area are uniformly displayed on the light-emitting surface facing each other.
  • the display area includes a first display area and two second display areas.
  • the second display area is distributed on two sides of the first display area, and the outer side of the second display area is a frame area.
  • the concave lens completely overlaps the second display area in a direction perpendicular to the normal direction of the display panel.
  • the display device further comprises a backlight, wherein the backlight emits light having a higher intensity of light incident on the second display area than the light emitted into the first display area, and the light emitted by the backlight into the first display area
  • the intensity is equal everywhere, and the intensity of the light emitted by the backlight into the second display area gradually increases from the position at the boundary with the first display area toward the frame area.
  • an electronic device including two display portions, the two display portions being a display device, and the display device comprising: at least one display panel, a display panel a display area having a plurality of pixels arranged and a frame area disposed outside the display area; at least one concave lens disposed at an edge of the display area for diverging a portion of the light emitted from the display area toward the side of the frame area; At least one convex lens, one side edge of the convex lens is aligned with the inner side of the concave lens facing the display area, the convex lens spans the boundary between the display area and the frame area, and the other side edge is flush with the edge of the frame area for diverging from the concave lens
  • the light rays are emitted in parallel; after passing through the concave lens and the convex lens, the light exiting at any position of the display device has parallel outgoing light; the edges of the convex lenses of the two display devices are
  • the concave lens is formed on the display panel or fixed on the display panel.
  • the edge of the concave lens is flush with the edge of the display area or extends beyond the display area to the frame area.
  • the display device further includes a transparent cover, the transparent cover covers the display panel, and the concave lens and the convex lens are located between the transparent cover and the display panel.
  • the display area includes a first display area and a second display area.
  • the plurality of pixels in the first display area are evenly arranged, and the plurality of pixels in the second display area are from the boundary position with the first display area toward the frame area.
  • Arranging gradually; the pixels of the first display area are uniformly displayed on the light-emitting surface of the display device facing the first display area; the pixels of the second display area are diverged by the concave lens and then aligned by the convex lens on the display device
  • the second display area and the border area are uniformly displayed on the light-emitting surface facing each other.
  • the display area includes a first display area and two second display areas.
  • the second display area is distributed on two sides of the first display area, and the outer side of the second display area is a frame area.
  • the concave lens completely overlaps the second display area in a direction perpendicular to the normal direction of the display panel.
  • the display device further comprises a backlight, wherein the backlight emits light having a higher intensity of light incident on the second display area than the light emitted into the first display area, and the light emitted by the backlight into the first display area
  • the intensity is equal everywhere, and the intensity of the light emitted by the backlight into the second display area gradually increases from the position at the boundary with the first display area toward the frame area.
  • the display device of the present invention is provided with a concave lens at the edge of the display area of the display panel, and a convex lens that is aligned with the edge of the frame area across the edge of the display area to display the display area through the concave lens
  • the outgoing light at the edge position diverge toward the frame area, and then the divergent light is straightened by the convex lens and then emitted in the direction of the vertical display panel, so that the light exiting at any position of the light-emitting surface of the display device has parallel outgoing light.
  • seamless display docking can be achieved between the two display devices.
  • Figure 1 is a partial exploded view of the electronic device of the present invention
  • FIG. 2 is a schematic view of a display panel of the display device of the electronic device shown in FIG. 1;
  • FIG. 3 is a schematic diagram of pixel distribution of the electronic device shown in FIG. 1;
  • FIG. 4 is a schematic diagram of pixel distribution when the electronic device shown in FIG. 3 is finally displayed;
  • Figure 5 is a partially exploded view of another embodiment of the display device of the present invention.
  • the present invention provides an electronic device including at least two adjacently disposed display portions. Each display portion is a display device 100.
  • the display device 100 is a liquid crystal display device.
  • the display device protected by the present invention is not limited thereto and may include various types of display devices.
  • the display device 100 includes a display panel 10, a concave lens 20, a convex lens 30, a light transmissive cover 40, and a backlight 50.
  • the edge of the display panel 10 is provided with a circuit, a sealant, and the like. Therefore, the edge of the display panel 10 is a frame region 12 that cannot be displayed, and the inner side of the frame region 12 is the display region 11 . That is, the bezel area 12 is disposed outside the display area 11.
  • an outer frame (not shown) of the display device is fixed to the frame region 12 to fix the display panel 10, a backlight device (not shown), and the like as a whole.
  • the frame region 12 of the display panel of the liquid crystal display device is a clip frame, that is, the frame regions 12 are disposed on the four sides of the rectangular display panel, and the frame regions 12 are connected end to end.
  • the frame area 12 of the other display device is not limited by this embodiment.
  • the display panel is provided with a frame area only at both ends of the long side, or only a frame area is provided at both ends of the short side.
  • the display device 10 in the electronic device shown in Fig. 1 only shows the local structure at the mutually adjacent edge positions of the two display devices.
  • the display area 11 includes a first display area 111 and a second display area 112.
  • the plurality of pixels in the first display area 111 are evenly arranged; that is, in the first display area 111, each pixel is similar in shape and equal in area to other pixels of the area.
  • the second display area 112 is located between the first display area 111 and the bezel area 12, and a plurality of pixels in the second display area 112 are arranged in a tapered manner from the position where they are in contact with the first display area 111 toward the bezel area 112.
  • the fact that the plurality of pixels in the second display area 112 are arranged in a tapered manner means that the width of each pixel in the second display area 12 becomes narrower and narrower in the direction toward the bezel area 12.
  • the second display area 112 sandwiched between the first display area 111 and the frame area 12 also has a back shape, that is, a rectangular display.
  • a second display area 112 is disposed on each side of the area 111, and the second display areas 112 are connected end to end.
  • the number of the second display areas is also two, respectively distributed on both sides or both ends of the display area, and is located outside the first display area. And the inside of the border area.
  • the concave lens 20 is disposed at an edge of the display region 11 and is opposite to the second display region 112 of the display region 11 for diverging a part of the light emitted from the second display region 112 of the display region 11 toward the frame region 12 side.
  • the concave lens 20 functions to diverge a portion of the light emitted from the second display region 112 toward the bezel region 12. Therefore, it can be understood that the concave lens 20 is a concave lens of a curved surface rather than a concave lens of a spherical surface.
  • the concave lens 20 may be formed on the display panel 10, that is, on a glass substrate (not shown) on the light-emitting side of the display panel 10, or a single concave lens may be fixed to the display panel 10.
  • the concave lens 20 may be flush with the outer side of the second display area 112 of the display area 11 or may extend beyond the second display area 112 to the bezel area 12.
  • the concave lens 20 completely overlaps the second display area 112 in a direction normal to the display panel 10.
  • One side edge of the convex lens 30 is aligned with the inner side of the concave lens 20 facing the display region 11, and the convex lens 30 spans the boundary between the second display region of the display region 11 and the bezel region 12, and the other side edge is flush with the edge of the bezel region 12. . That is, the convex lens 30 covers the concave lens 20 and the bezel area 12 in the normal direction perpendicular to the display panel 10.
  • the convex lens 30 is used to emit light rays diverging from the concave lens 20 in parallel such that the final outgoing light is a parallel light beam perpendicular to the normal direction of the display panel.
  • the convex lens 30 is a convex lens having a curved surface instead of a convex lens of a spherical surface.
  • the convex lens 30 is disposed between the concave lens 20 and the transparent cover 40.
  • the convex lens 30 may be formed on the inner side of the transparent cover 40 facing the display panel 10.
  • the single convex lens 30 may be fixed on the transparent cover 40.
  • the concave lens 20 and the convex lens 30 are located between the display panel 10 and the light transmissive cover 40.
  • the light transmissive cover 40 is for fixing the convex lens 30, and the display device 100 has a smooth surface.
  • the area of the transparent cover 40 is equal to the area of the display panel 10, and the transparent cover 40 just covers the display panel 10.
  • the display panels 10 of adjacent display devices 100 are just in contact.
  • the surface of the light transmissive cover 40 that is away from the display panel 10 is the light emitting surface 101 of the display device 100.
  • the backlight 50 is disposed outside the display panel 10, that is, away from the side of the transparent cover 40.
  • the backlight 50 is used to provide backlighting to the display panel 10.
  • the pixels of the first display area 111 pass through the transparent cover 40.
  • the pixels of the second display area 112 are diverged by the concave lens, and then the convex lens 30 is relatively straight to the beam diverging through the concave lens, and the relatively straight beam passes through the transparent cover 40.
  • the pixel array 112' is uniformly displayed on the area of the light-emitting surface 101 facing the second display area 112 and the frame area 12. Therefore, the pixel array on the light-emitting surface 101 of the display device 100 is evenly distributed.
  • the intensity of the light emitted from the backlight 50 into the second display region 112 is higher than the intensity of the light emitted into the first display region 111.
  • the intensity of the light emitted by the backlight 50 that enters the second display area 112 gradually increases toward the frame area 12 from the position that borders the first display area 111.
  • FIG. 5 provides a display device according to another embodiment.
  • the display device 200 includes two or more spliced display panels 10a.
  • Each display panel 10a includes a display area 11a and a bezel area 12a.
  • the display area 11a includes a first display area 111a and a second display area 112a.
  • a concave lens 20a and a convex lens 30a are disposed corresponding to each of the second display regions 112a.
  • the display device 200 further includes a shared backlight 50a and a light transmissive cover 40a.
  • the surface of the light-transmitting cover 40a remote from the display panel 10a is a light-emitting surface 101a.
  • the backlight 50a simultaneously provides backlights for different display panels 10a, and the transparent cover 40a is completely covered after the plurality of display panels 10a, concave lenses 20a and convex lenses 30a are spliced. On the splicing surface.
  • the edge of the display area of the display panel of the display device of the present invention is provided with a concave lens for diverging a part of the light emitted from the display area toward the side of the frame area, and the convex lens is used for emitting the light diverging from the concave lens in parallel, Parallel outgoing light is obtained at any position of the light-emitting surface of the display device.
  • the splicing seam does not appear on the display surface of the electronic device.

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

Abstract

一种显示装置（100，200）及电子设备，显示装置（100，200）包括至少一个显示面板（10，10a），显示面板（10，10a）具有排列多个像素的显示区域（11，11a）和设置在显示区域（11，11a）的外侧的边框区域（12，12a）；至少一凹透镜（20，20a），凹透镜（20，20a）设置于显示区域（11，11a）的边缘，用于将从显示区域（11，11a）射出的光的一部分向边框区域（12，12a）侧发散；以及，至少一凸透镜（30，30a），凸透镜（30，30a）的一侧边缘与凹透镜（20，20a）的朝向显示区域（11，11a）的内侧对齐，凸透镜（30，30a）跨越显示区域（11，11a）和边框区域（12，12a）二者的边界后另一侧边缘与边框区域（12，12a）的边缘平齐，用于将自凹透镜（20，20a）发散的光线平行出射；经凹透镜（20，20a）和凸透镜（30，30a）后，显示装置（100，200）的出光面的任意位置处均有平行的出射光。当显示装置（100，200）应用于拼接式的电子设备中时，两显示装置（100，200）之间能够实现无缝显示对接。

Description

显示装置及电子设备
【技术领域】
本发明涉及显示技术领域，特别是涉及一种显示装置及电子设备。
【背景技术】
近年来，大画面的显示装置应用越来越广泛。目前，大画面的显示装置主要应用大屏幕拼接技术来实现，例如CRT背投显示墙、LCD背投显示墙、DLP背投显示墙和等离子显示墙等。大屏幕拼接技术，即将多个显示装置通过拼接的方式形成大画面的显示装置。然而，当使用拼接技术时，存在能够看见多个显示装置的接缝的问题。
以液晶显示装置为例对上述问题进行说明。液晶显示装置包括液晶显示面板、背光源、向液晶显示面板提供电子信号的电路和电源，以及收容他们的壳体。液晶显示面板具有一对玻璃基板和保持在一对玻璃基板之间的液晶层。在一对玻璃基板中的一个玻璃基板配置有彩色滤光片层和对置电极，另一个玻璃基板上配置有TFT、总线和用于向他们供给信号的驱动电路等。此外，液晶显示面板具有排列有多个像素的显示区域和位于显示区域周边的边框区域。在边框区域中，设置有用于使一对基板对置并保持、密封液晶层的密封部和用于驱动像素的驱动电路安装部等，因此，边框区域中无法设置像素，其对显示没帮助。
在利用排列多个液晶显示面板来构成大画面时，由于液晶显示面板中的边框区域对显示没有帮助，所以在各个液晶显示面板的边框区域中不显示图像，在图像中产生接缝。
【发明内容】
本发明主要解决的技术问题是提供一种显示装置，以解决现有技术中大画面显示装置显示时出现的拼接接缝问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示装置，其包括：至少一个显示面板，显示面板具有排列多个像素的显示区域和设置在显示区域的外侧的边框区域；至少一凹透镜，凹透镜设置于显示区域的边缘，用于将从显示区域射出的光的一部分向边框区域侧发散；以及，至少一凸透镜，凸透镜的一侧边缘与凹透镜的朝向显示区域的内侧对齐，凸透镜跨越显示区域和边框区域二者的边界后另一侧边缘与边框区域的边缘平齐，用于将自凹透镜发散的光线平行出射；经凹透镜和凸透镜后，显示装置的出光面的任意位置处均有平行的出射光；显示装置还包括透光盖，透光盖覆盖于显示面板上，凹透镜和凸透镜位于透光盖和显示面板之间；显示区域包括第一显示区域和第二显示区域，第一显示区域中的多个像素均匀排布，第二显示区域中的多个像素自其与第一显示区域交界位置处朝向边框区域呈渐密排布；第一显示区域的像素在显示装置的与第一显示区域正对的出光面上均匀显示；第二显示区域的像素经凹透镜发散然后经凸透镜校直后在显示装置的与第二显示区域及边框区域正对的出光面上均匀显示。
其中，凹透镜的边缘与显示区域的边缘平齐或超出显示区域后延伸至边框区域。
其中，显示装置进一步包括背光源，背光源发出射入第二显示区域的光的强度高于发出射入第一显示区域的光的强度，且背光源发出的射入第一显示区域的光的强度处处相等，背光源发出的射入第二显示区域的光的强度自与第一显示区域交界位置处朝向边框区域逐渐增强。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种显示装置，其包括：至少一个显示面板，显示面板具有排列多个像素的显示区域和设置在显示区域的外侧的边框区域；至少一凹透镜，凹透镜设置于显示区域的边缘，用于将从显示区域射出的光的一部分向边框区域侧发散；以及，至少一凸透镜，凸透镜的一侧边缘与凹透镜的朝向显示区域的内侧对齐，凸透镜跨越显示区域和边框区域二者的边界后另一侧边缘与边框区域的边缘平齐，用于将自凹透镜发散的光线平行出射；经凹透镜和凸透镜后，显示装置的出光面的任意位置处均有平行的出射光。
其中，凹透镜形成于显示面板上或固定于显示面板上。
其中，凹透镜的边缘与显示区域的边缘平齐或超出显示区域后延伸至边框区域。
其中，显示装置还包括透光盖，透光盖覆盖于显示面板上，凹透镜和凸透镜位于透光盖和显示面板之间。
其中，凸透镜形成于透光盖上或者固定于透光盖上。
其中，显示区域包括第一显示区域和第二显示区域，第一显示区域中的多个像素均匀排布，第二显示区域中的多个像素自其与第一显示区域交界位置处朝向边框区域呈渐密排布；第一显示区域的像素在显示装置的与第一显示区域正对的出光面上均匀显示；第二显示区域的像素经凹透镜发散然后经凸透镜校直后在显示装置的与第二显示区域及边框区域正对的出光面上均匀显示。
其中，显示区域包括一第一显示区域和二第二显示区域，二第二显示区域分布于第一显示区域的两侧，第二显示区域的外侧均为边框区域。
其中，在垂直于显示面板的法线方向上，凹透镜与第二显示区域完全重叠。
其中，显示装置进一步包括背光源，背光源发出射入第二显示区域的光的强度高于发出射入第一显示区域的光的强度，且背光源发出的射入第一显示区域的光的强度处处相等，背光源发出的射入第二显示区域的光的强度自与第一显示区域交界位置处朝向边框区域逐渐增强。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种电子设备，其包括两个显示部，两个显示部均为一显示装置，显示装置包括：至少一个显示面板，显示面板具有排列多个像素的显示区域和设置在显示区域的外侧的边框区域；至少一凹透镜，凹透镜设置于显示区域的边缘，用于将从显示区域射出的光的一部分向边框区域侧发散；以及，至少一凸透镜，凸透镜的一侧边缘与凹透镜的朝向显示区域的内侧对齐，凸透镜跨越显示区域和边框区域二者的边界后另一侧边缘与边框区域的边缘平齐，用于将自凹透镜发散的光线平行出射；经凹透镜和凸透镜后，显示装置的出光面的任意位置处均有平行的出射光；两显示装置的凸透镜的边缘相接。
其中，凹透镜形成于显示面板上或固定于显示面板上。
其中，凹透镜的边缘与显示区域的边缘平齐或超出显示区域后延伸至边框区域。
其中，显示装置还包括透光盖，透光盖覆盖于显示面板上，凹透镜和凸透镜位于透光盖和显示面板之间。
其中，显示区域包括第一显示区域和第二显示区域，第一显示区域中的多个像素均匀排布，第二显示区域中的多个像素自其与第一显示区域交界位置处朝向边框区域呈渐密排布；第一显示区域的像素在显示装置的与第一显示区域正对的出光面上均匀显示；第二显示区域的像素经凹透镜发散然后经凸透镜校直后在显示装置的与第二显示区域及边框区域正对的出光面上均匀显示。
其中，显示区域包括一第一显示区域和二第二显示区域，二第二显示区域分布于第一显示区域的两侧，第二显示区域的外侧均为边框区域。
其中，在垂直于显示面板的法线方向上，凹透镜与第二显示区域完全重叠。
其中，显示装置进一步包括背光源，背光源发出射入第二显示区域的光的强度高于发出射入第一显示区域的光的强度，且背光源发出的射入第一显示区域的光的强度处处相等，背光源发出的射入第二显示区域的光的强度自与第一显示区域交界位置处朝向边框区域逐渐增强。
本发明的有益效果是：与现有技术相比，本发明显示装置在显示面板的显示区域的边缘设置凹透镜、以及跨越显示区域的边缘与边框区域的边缘对齐的凸透镜，以通过凹透镜将显示区域边缘位置处的出射光向边框区域发散，然后通过凸透镜将发散的光线较直后以垂直显示面板的方向出射，使得显示装置的出光面的任意位置处均有平行的出射光。如此以来，当显示装置应用于拼接式的电子设备中时，两显示装置之间能够实现无缝显示对接。
【附图说明】
图1是本发明电子设备的局部分解图；
图2是图1所示电子设备的显示装置的显示面板的示意图；
图3是图1所示电子设备的像素分布示意图；
图4是图3所示电子设备最终显示时的像素分布示意图；
图5是本发明显示装置的另一具体实施方式的局部分解图。
【具体实施方式】
请参照图1，本发明提供一种电子设备，电子设备包括至少两个相邻设置的显示部。每个显示部为一显示装置100。
本实施例中，显示装置100是液晶显示装置，尽管如此，本发明保护的显示装置并不受此限制，可以包括各种类型的显示装置。显示装置100包括显示面板10、凹透镜20、凸透镜30、透光盖40和背光源50。
请参照图2，对液晶显示装置来说，显示面板10的边缘设置电路、封框胶等，因此，显示面板10的边缘为不能显示的边框区域12，边框区域12的内侧为显示区域11。亦即，边框区域12设置于显示区域11的外侧。通常情况下，显示装置的外框（未图示）固定于边框区域12上从而将显示面板10、背光装置（未图示）等固定成一个整体。液晶显示装置的显示面板的边框区域12为回形框，即，矩形的显示面板的四条边上均设置有边框区域12，且这些边框区域12首尾相接。其他的显示装置的边框区域12不受本实施例的限制，例如，显示面板仅在长边的两端分别设置边框区域，或者仅在短边的两端分别设置边框区域。图1所示电子设备中的显示装置10仅示意出了两显示装置的相互邻接的边缘位置处的局部结构。
请进一步参照图3，显示区域11包括第一显示区域111和第二显示区域112。第一显示区域111中的多个像素均匀排布；即，第一显示区域111中，每一像素与该区域的其他的像素形状相似且面积相等。第二显示区域112位于第一显示区域111和边框区域12之间，第二显示区域112中的多个像素自其与第一显示区域111交界位置处朝向边框区域112呈渐密排布。第二显示区域112中的多个像素渐密排布的含义为，在朝向边框区域12的方向上，第二显示区域12中的每一像素的宽度越来越窄。对于显示面板的四周均具有边框区域的液晶显示装置来说，由于边框区域呈回字形，夹于第一显示区域111和边框区域12中的第二显示区域112亦呈回字形，即矩形的显示区域111的每一条边上均设置有第二显示区域112，且这些第二显示区域112首尾相接。对于仅显示装置的两侧或两端设置边框区域的实施例来说，第二显示区域的数目亦为两个，分别分布与显示区域的两侧或两端，位于第一显示区域的外侧，以及边框区域的内侧。
凹透镜20设置于显示区域11的边缘，且与显示区域11的第二显示区域112正对，用于将从显示区域11的第二显示区域112射出的光的一部分向边框区域12侧发散。由于本发明中，凹透镜20的作用是用于将第二显示区域112射出的光的一部分向边框区域12发散，因此，可以理解的，凹透镜20是弧面的凹透镜，而非球面的凹透镜。凹透镜20可以形成于显示面板10上，即显示面板10的出光侧的玻璃基板（未图示）上，或者，将单个的凹透镜固定于显示面板10上。凹透镜20可以与显示区域11的第二显示区域112的外侧平齐或者超过第二显示区域112后延伸至边框区域12上。优选地，在垂直于显示面板10的法线方向上，凹透镜20与第二显示区域112完全重叠。
凸透镜30的一侧边缘与凹透镜20的朝向显示区域11的内侧对齐，凸透镜30跨越显示区域11的第二显示区域和边框区域12二者的边界后另一侧边缘与边框区域12的边缘平齐。即，在垂直于显示面板10的法线方向上，凸透镜30覆盖了凹透镜20和边框区域12。凸透镜30用于将自凹透镜20发散的光线平行出射，使得最终的出射光均为垂直于显示面板的法线方向的平行光束。与凹透镜20对应，凸透镜30是弧面的凸透镜，而非球面的凸透镜。凸透镜30设置于凹透镜20和透光盖40之间，凸透镜30可以形成于透光盖40的朝向显示面板10的内侧上，亦可以将单个的凸透镜30固定于透光盖40上。
透光盖40覆盖于显示面板10上后，凹透镜20和凸透镜30位于显示面板10和透光盖40之间。透光盖40用于固定凸透镜30，以及使显示装置100具有光滑的表面。透光盖40的面积与显示面板10的面积相等，亦，透光盖40刚好覆盖显示面板10。当两个或两个以上显示装置10相互拼接形成电子设备时，相邻的显示装置100的显示面板10刚好相接。透光盖40的远离显示面板10的表面即显示装置100的出光面101。
背光源50设置于显示面板10的外侧，即远离透光盖40的一侧。背光源50用于给显示面板10提供背光。
请进一步结合图4，当背光源50启动，且显示面板10上电后，背光源50的出射光照在显示面板10的显示区域11上，第一显示区域111的像素穿过透光盖40后直接在出光面101上均匀显示为像素阵列111’，第二显示区域112的像素经凹透镜发散，然后凸透镜30对经凹透镜发散的光束较直，较直后的光束穿过透光盖40后在出光面101的与第二显示区域112及边框区域12正对的区域上均匀显示为像素阵列112’，因此，显示装置100的出光面101上像素阵列均分分布。
优选地，为了使得出光面101上均匀分布的像素阵列的出射光强度一致，背光源50发出的射入第二显示区域112的光的强度高于发出射入第一显示区域111的光的强度，且背光源50发出的射入第二显示区域112的光的强度自与第一显示区域111交界的位置处朝向边框区域12逐渐增强。
当两个或两个以上的显示装置100拼接形成电子设备时，两显示装置的边缘位置处的凸透镜相接。此时，由于每一显示装置100的出光面101上处处都有显示像素，因此，相邻的显示装置100之间不会出现拼接显示缝隙；进一步地，显示装置100的出光面101上的像素排布均匀，因此，不存在显示变形的问题；更进一步地，背光源发出的射入第二显示区域的光的强度自与第一显示区域交界位置处开始朝向边框区域逐渐增强，使得显示装置100的出光面101上的像素显示光强一致，不会出现局部显示偏暗的问题。
请参照图5，图5提供了另一种实施方式的显示装置。显示装置200包括两个或两个以上拼接的显示面板10a。每一显示面板10a包括显示区域11a和边框区域12a。显示区域11a包括第一显示区域111a和第二显示区域112a。与每一第二显示区域112a对应设置一凹透镜20a和一凸透镜30a。显示装置200进一步包括共用的背光源50a和透光盖40a。透光盖40a的远离显示面板10a的表面为出光面101a。
显示装置200中的显示面板10a、凹透镜20a和凸透镜30a的具体结构及相互关系与分别前述电子设备中的显示面板10、凹透镜20和凸透镜30的具体结构及相互关系均相同。与前述实施例电子设备不同的是，本实施例中，背光源50a同时为不同的显示面板10a提供背光，透光盖40a在多个显示面板10a、凹透镜20a和凸透镜30a拼接完后完整的覆盖于拼接表面上。
区别于现有技术，本发明显示装置的显示面板的显示区域的边缘设置凹透镜，用于将显示区域射出的光的一部分向边框区域侧发散，凸透镜用于将自凹透镜发散的光线平行出射，以在显示装置的出光面的任意位置处均得到平行的出射光，当两个以上的显示装置拼接形成电子设备时，电子设备的显示面上不会出现拼接接缝。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种显示装置，其中，所述显示装置包括：
    至少一个显示面板，所述显示面板具有排列多个像素的显示区域和设置在所述显示区域的外侧的边框区域；
    至少一凹透镜，所述凹透镜设置于所述显示区域的边缘，用于将从所述显示区域射出的光的一部分向所述边框区域侧发散；
    以及，至少一凸透镜，所述凸透镜的一侧边缘与所述凹透镜的朝向所述显示区域的内侧对齐，所述凸透镜跨越所述显示区域和所述边框区域二者的边界后另一侧边缘与所述边框区域的边缘平齐，用于将自所述凹透镜发散的光线平行出射；
    经所述凹透镜和所述凸透镜后，所述显示装置的出光面的任意位置处均有平行的出射光；
    所述显示装置还包括透光盖，所述透光盖覆盖于所述显示面板上，所述凹透镜和所述凸透镜位于所述透光盖和所述显示面板之间；
    所述显示区域包括第一显示区域和第二显示区域，所述第一显示区域中的多个像素均匀排布，所述第二显示区域中的多个像素自其与所述第一显示区域交界位置处朝向所述边框区域呈渐密排布；所述第一显示区域的像素在所述显示装置的与所述第一显示区域正对的出光面上均匀显示；所述第二显示区域的像素经所述凹透镜发散然后经所述凸透镜校直后在所述显示装置的与所述第二显示区域及所述边框区域正对的出光面上均匀显示。
  2. 根据权利要求1所述的显示装置，其中，所述凹透镜的边缘与所述显示区域的边缘平齐或超出所述显示区域后延伸至所述边框区域。
  3. 根据权利要求1所述的显示装置，其中，所述显示装置进一步包括背光源，所述背光源发出射入所述第二显示区域的光的强度高于发出射入所述第一显示区域的光的强度，且所述背光源发出的射入所述第一显示区域的光的强度处处相等，所述背光源发出的射入所述第二显示区域的光的强度自与所述第一显示区域交界位置处朝向所述边框区域逐渐增强。
  4. 一种显示装置，其中，所述显示装置包括：
    至少一个显示面板，所述显示面板具有排列多个像素的显示区域和设置在所述显示区域的外侧的边框区域；
    至少一凹透镜，所述凹透镜设置于所述显示区域的边缘，用于将从所述显示区域射出的光的一部分向所述边框区域侧发散；
    以及，至少一凸透镜，所述凸透镜的一侧边缘与所述凹透镜的朝向所述显示区域的内侧对齐，所述凸透镜跨越所述显示区域和所述边框区域二者的边界后另一侧边缘与所述边框区域的边缘平齐，用于将自所述凹透镜发散的光线平行出射；
    经所述凹透镜和所述凸透镜后，所述显示装置的出光面的任意位置处均有平行的出射光。
  5. 根据权利要求4所述的显示装置，其中，所述凹透镜形成于所述显示面板上或固定于所述显示面板上。
  6. 根据权利要求4所述的显示装置，其中，所述凹透镜的边缘与所述显示区域的边缘平齐或超出所述显示区域后延伸至所述边框区域。
  7. 根据权利要求4所述的显示装置，其中，所述显示装置还包括透光盖，所述透光盖覆盖于所述显示面板上，所述凹透镜和所述凸透镜位于所述透光盖和所述显示面板之间。
  8. 根据权利要求7所述的显示装置，其中，所述凸透镜形成于所述透光盖上或者固定于所述透光盖上。
  9. 根据权利要求4所述的显示装置，其中，所述显示区域包括第一显示区域和第二显示区域，所述第一显示区域中的多个像素均匀排布，所述第二显示区域中的多个像素自其与所述第一显示区域交界位置处朝向所述边框区域呈渐密排布；所述第一显示区域的像素在所述显示装置的与所述第一显示区域正对的出光面上均匀显示；所述第二显示区域的像素经所述凹透镜发散然后经所述凸透镜校直后在所述显示装置的与所述第二显示区域及所述边框区域正对的出光面上均匀显示。
  10. 根据权利要求9所述的显示装置，其中，所述显示区域包括一所述第一显示区域和二所述第二显示区域，二所述第二显示区域分布于所述第一显示区域的两侧，所述第二显示区域的外侧均为所述边框区域。
  11. 根据权利要求9所述的显示装置，其中，在垂直于所述显示面板的法线方向上，所述凹透镜与所述第二显示区域完全重叠。
  12. 根据权利要求9所述的显示装置，其中，所述显示装置进一步包括背光源，所述背光源发出射入所述第二显示区域的光的强度高于发出射入所述第一显示区域的光的强度，且所述背光源发出的射入所述第一显示区域的光的强度处处相等，所述背光源发出的射入所述第二显示区域的光的强度自与所述第一显示区域交界位置处朝向所述边框区域逐渐增强。
  13. 一种电子设备，其中，所述电子设备包括两个显示部，所述两个显示部均为一显示装置；所述显示装置包括：至少一个显示面板，所述显示面板具有排列多个像素的显示区域和设置在所述显示区域的外侧的边框区域；至少一凹透镜，所述凹透镜设置于所述显示区域的边缘，用于将从所述显示区域射出的光的一部分向所述边框区域侧发散；以及，至少一凸透镜，所述凸透镜的一侧边缘与所述凹透镜的朝向所述显示区域的内侧对齐，所述凸透镜跨越所述显示区域和所述边框区域二者的边界后另一侧边缘与所述边框区域的边缘平齐，用于将自所述凹透镜发散的光线平行出射；经所述凹透镜和所述凸透镜后，所述显示装置的出光面的任意位置处均有平行的出射光；两所述显示装置的凸透镜的边缘相接。
  14. 根据权利要求13所述的电子设备，其中，所述凹透镜形成于所述显示面板上或固定于所述显示面板上。
  15. 根据权利要求13所述的电子设备，其中，所述凹透镜的边缘与所述显示区域的边缘平齐或超出所述显示区域后延伸至所述边框区域。
  16. 根据权利要求13所述的电子设备，其中，所述显示装置还包括透光盖，所述透光盖覆盖于所述显示面板上，所述凹透镜和所述凸透镜位于所述透光盖和所述显示面板之间。
  17. 根据权利要求13所述的电子设备，其中，所述显示区域包括第一显示区域和第二显示区域，所述第一显示区域中的多个像素均匀排布，所述第二显示区域中的多个像素自其与所述第一显示区域交界位置处朝向所述边框区域呈渐密排布；所述第一显示区域的像素在所述显示装置的与所述第一显示区域正对的出光面上均匀显示；所述第二显示区域的像素经所述凹透镜发散然后经所述凸透镜校直后在所述显示装置的与所述第二显示区域及所述边框区域正对的出光面上均匀显示。
  18. 根据权利要求17所述的电子设备，其中，所述显示区域包括一所述第一显示区域和二所述第二显示区域，二所述第二显示区域分布于所述第一显示区域的两侧，所述第二显示区域的外侧均为所述边框区域。
  19. 根据权利要求17所述的电子设备，其中，在垂直于所述显示面板的法线方向上，所述凹透镜与所述第二显示区域完全重叠。
  20. 根据权利要求17所述的电子设备，其中，所述显示装置进一步包括背光源，所述背光源发出射入所述第二显示区域的光的强度高于发出射入所述第一显示区域的光的强度，且所述背光源发出的射入所述第一显示区域的光的强度处处相等，所述背光源发出的射入所述第二显示区域的光的强度自与所述第一显示区域交界位置处朝向所述边框区域逐渐增强。
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