CN111312084A - Tiled display and display device - Google Patents

Tiled display and display device Download PDF

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Publication number
CN111312084A
CN111312084A CN202010146735.0A CN202010146735A CN111312084A CN 111312084 A CN111312084 A CN 111312084A CN 202010146735 A CN202010146735 A CN 202010146735A CN 111312084 A CN111312084 A CN 111312084A
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China
Prior art keywords
display
display screen
image
tiled
lens structure
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Pending
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CN202010146735.0A
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Chinese (zh)
Inventor
张小齐
刘政
李燕
胡友
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Shenzhen Longli Technology Co Ltd
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Shenzhen Longli Technology Co Ltd
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Priority to CN202010146735.0A priority Critical patent/CN111312084A/en
Publication of CN111312084A publication Critical patent/CN111312084A/en
Pending legal-status Critical Current

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    • 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
    • G09F9/33—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 semiconductor devices, e.g. diodes
    • 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

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

Abstract

The invention discloses a splicing display and display equipment. The tiled display includes a first display screen and a second display screen. The first display screen includes a plurality of first transmissive pixels to project a first image; and the second display screen is arranged in the peripheral area of the first display screen and comprises a plurality of second transmission pixels which are obliquely arranged and corresponding refraction screen points so as to project a second image. The spliced display further comprises a cover plate layer, the cover plate layer is arranged above the first display screen and the second display screen, and the first image and the second image are projected onto the cover plate layer.

Description

Tiled display and display device
Technical Field
The invention relates to a display device, in particular to a splicing display and display equipment.
Background
With the increasing demand of society for ultra-large screen display, the realization of ultra-large screen display by splicing and displaying display devices is a feasible and mature large screen display mode due to the limitation of the sizes of the display devices, and is applied to various application occasions, such as outdoor advertisements, stadiums, control rooms of power dispatching, subway dispatching and the like. However, in the structures of the LCD display screen and the OLED display screen, certain frames are inevitably left due to the requirements of the driving circuit, the production process and the installation process, so that when a plurality of display devices display, the frames of the display screen inevitably exist, which results in the division of the picture, damages the continuity and the integrity of the image, seriously affects the overall effect of the tiled display picture, and cannot realize high-quality seamless tiled display.
Disclosure of Invention
The invention mainly solves the technical problem of providing a spliced display and display equipment, realizing seamless laying, and simultaneously providing a display device with seamless splicing and high dynamic contrast.
In order to solve the technical problem, one technical solution adopted by the present invention is to provide a tiled display including a first display screen and a second display screen. The first display screen includes a plurality of first transmissive pixels to project a first image; and the second display screen is arranged in the peripheral area of the first display screen and comprises a plurality of second transmission pixels which are obliquely arranged, lens structures corresponding to the second transmission pixels and corresponding refraction screen points so as to project a second image. The spliced display further comprises a cover plate layer, the cover plate layer is arranged above the first display screen and the second display screen, and the first image and the second image are projected onto the cover plate layer. Specifically, the lens structure is located between the second transmissive pixel and the refractive mesh point; or the lens structure is located between the refractive dots and the cover plate layer. The transmission divergence of the second image is adjusted by the transmission aperture of the lens structure. The refraction mesh points vertically project incident light on the cover plate layer.
In another preferred embodiment, the transmission divergence of the second image is adjusted by the position of the lens structure. And adjusting the distance between the lens structure and the second transmission pixel and between the lens structure and the cover plate layer through the vertical position of the lens structure, thereby realizing resolution adjustment of the second image.
In a further preferred embodiment, the transmission divergence of the second image is adjusted by the transmission aperture and/or the transmission cross-section of the lens structure. The second image is resolution adjusted by the transmission divergence of the second image through the transmission aperture and/or transmission cross-section of the lens structure.
The invention can adjust and amplify the second transmission pixel through the design of the lens structure, thereby adjusting the display pixel of the second image, realizing seamless laying, and simultaneously realizing the display device with high dynamic contrast by independently controlling the brightness and gray scale of each display area.
The seamless splicing display mode of the splicing display is as follows: acquiring the display resolution of each display screen; adjusting the mapping relation between the pixel point information of the sub-image and the display resolution of the display screen according to the acquired display resolution; and adjusting the display resolution of the display screen to the resolution matched with the pixel point information of the sub-image. Correspondingly segmenting a target image to be displayed into a plurality of sub-images including a first image and a second image according to the layout and the proportion of a plurality of spliced display screens; sending the plurality of split sub-images to the corresponding display screens; and controlling a plurality of display screens to synchronously play the plurality of sub-images.
The step of adjusting the display resolution of the display screen to a resolution matched with the pixel point information of the sub-image comprises the following steps: determining the distribution information of the pixel points in the target image according to the coordinates of the pixel points in the target image;
determining the number of pixel points in the divided sub-images;
and adjusting the resolution of each display screen according to the mapping relation between the number of the pixel points of the sub-image and the display resolution, wherein the adjusted resolution of each display screen corresponds to the number of the pixel points of the sub-image displayed by the display screen.
And a second seamless splicing display mode of the splicing display: distributing the target image into sub-images to a plurality of display areas, wherein the sub-images comprise a first display screen and a second display screen; adjusting the display resolution of the display area to a resolution matched with the pixel information of the subimage according to the mapping relation between the pixel information of the subimage and the display resolution of the display area; and displaying the sub-images at the adjusted display resolution to be displayed in a splicing mode.
In a preferred embodiment, the second display screen comprises Micro-LEDs or Mini-LEDs.
In a preferred embodiment, the resolution of the projected pixels of the first display screen is lower than or equal to the resolution of the projected pixels of the second display screen.
According to the embodiment of the invention, the tiled display of the invention is applied to the display device.
Drawings
The invention and its advantages will be better understood by studying the following detailed description of specific embodiments, given by way of non-limiting example, and illustrated in the accompanying drawings, in which:
fig. 1 is a perspective view of a tiled display according to embodiment 1 of the present invention.
Fig. 2 is a sectional view of the tiled display of embodiment 1 of the present invention to illustrate its structure.
Fig. 3 is a plan view of the first display panel and the second display panel of the tiled display of embodiment 1 of the present invention to show the first transmissive pixel array and the second transmissive pixel array.
Detailed Description
Referring to the drawings, wherein like reference numbers refer to like elements throughout, the principles of the present invention are illustrated in an appropriate environment. The following description is based on illustrated embodiments of the invention and should not be taken as limiting the invention with regard to other embodiments that are not detailed herein.
The word "embodiment" is used herein to mean serving as an example, instance, or illustration. In addition, the articles "a" and "an" as used in this specification and the appended claims may generally be construed to mean "one or more" unless specified otherwise or clear from context to be directed to a singular form.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Further, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise direct contact of the first and second features through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Example 1
First, a tiled display according to embodiment 1 of the present invention will be described with reference to fig. 1 to 3. One technical solution adopted in this embodiment is to provide a tiled display including a first display screen 101 and a second display screen 102. As shown in fig. 2, the first display screen 101 includes a plurality of first transmissive pixels 1011 to project a first image; and a second display screen 102 disposed at a peripheral region of the first display screen 101, including a plurality of second transmissive pixels 1021 arranged obliquely, a lens structure 1022 corresponding to the second transmissive pixels 1021, and a corresponding refractive dot 1023 to project a second image. The tiled display further comprises a cover layer 103 disposed above the first display screen 101 and the second display screen 102, and the first image and the second image are projected onto the cover layer 103. Specifically, the lens structure 1022 is located between the second transmissive pixel 1021 and the refractive mesh 1023. The transmission divergence of the second image is adjusted by the transmission aperture of the lens structure 1022. The refractive dots 1023 project incident light perpendicularly onto the cover plate layer 103.
In this embodiment, through the design of the lens structure 1022 and the corresponding refractive mesh 1023, the second transmissive pixel 1021 is adjustably enlarged to be displayed, so as to adjust the display pixel of the second image, thereby realizing seamless laying, and meanwhile, the brightness and gray scale of each display area are independently controlled, thereby realizing a display device with high dynamic contrast.
The second image is resolution adjusted through the transmissive aperture of the lens structure 1022. As shown in fig. 3, the second display screen 102 comprises Micro-LEDs. The first display screen 101 comprises a direct type backlight LCD, and the resolution of the projected pixels of the first display screen 101 is lower than that of the projected pixels of the second display screen 102 Micro-LEDs.
The seamless splicing display mode of the splicing display is as follows: acquiring the display resolution of each display screen; adjusting the mapping relation between the pixel point information of the sub-image and the display resolution of the display screen according to the acquired display resolution; and adjusting the display resolution of the display screen to the resolution matched with the pixel point information of the sub-image. Correspondingly segmenting a target image to be displayed into a plurality of sub-images including a first image and a second image according to the layout and the proportion of a plurality of spliced display screens; sending the plurality of split sub-images to the corresponding display screens; and controlling a plurality of display screens to synchronously play the plurality of sub-images.
The step of adjusting the display resolution of the display screen to a resolution matched with the pixel point information of the sub-image comprises the following steps: determining the distribution information of the pixel points in the target image according to the coordinates of the pixel points in the target image;
determining the number of pixel points in the divided sub-images;
and adjusting the resolution of each display screen according to the mapping relation between the number of the pixel points of the sub-image and the display resolution, wherein the adjusted resolution of each display screen corresponds to the number of the pixel points of the sub-image displayed by the display screen.
And a second seamless splicing display mode of the splicing display: allocating the target image as a sub-image to a plurality of display areas including a first display screen 101 and a second display screen 102; adjusting the display resolution of the display area to a resolution matched with the pixel information of the subimage according to the mapping relation between the pixel information of the subimage and the display resolution of the display area; and displaying the sub-images at the adjusted display resolution to be displayed in a splicing mode.
Example 2
Only the differences between embodiment 2 and embodiment 1 will be described below, and the descriptions of the similarities will be omitted.
The transmission divergence of the second image is adjusted by the position of the lens structure 1022. The distance between the lens structure 1022 and the second transmissive pixel 1021 and the cover plate layer 103 is adjusted by the vertical position of the lens structure 1022, thereby enabling resolution adjustment of the second image.
Example 3
Only the differences between embodiment 3 and embodiment 1 will be described below, and the descriptions of the similarities will be omitted.
The transmission divergence of the second image is adjusted by the transmission aperture and transmission cross section of the lens structure 1022. The second image is resolution adjusted by the transmission divergence of the second image through the transmission aperture and transmission cross section of the lens structure 1022.
Example 4
Only the differences between embodiment 4 and embodiment 1 will be described below, and the descriptions of the similarities will be omitted.
The lens structure 1022 is located between the refractive mesh 1023 and the cover layer 103. Specifically, the refractive mesh 1023 refracts the second transmissive pixel 1021 to make the light perpendicular to the first display 101, and then magnifies the second image through the lens structure 1022. The lens structure 1022 projects incident light perpendicularly onto the cover plate layer 103.
While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the various embodiments of the present disclosure may be used in any combination, provided that there is no structural conflict, and the combination is not exhaustively described in this specification for brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A tiled display, comprising:
a first display screen including a plurality of first transmissive pixels to project a first image;
and the second display screen is arranged in the peripheral area of the first display screen and comprises a plurality of second transmission pixels, lens structures and corresponding refraction screen points which are obliquely arranged so as to project a second image.
2. The tiled display according to claim 1, further comprising a cover sheet layer disposed over the first display screen and the second display screen, the first image and the second image being projected onto the cover sheet layer.
3. The tiled display according to claim 2, wherein the transmission divergence of the second image is adjusted by the transmission aperture of the lens structure.
4. A tiled display according to claim 3, wherein the lens structure is located between the second transmissive pixel and the refractive dot; or the lens structure is located between the refractive dots and the cover plate layer.
5. A tiled display according to claim 3, wherein the position of the lens structure is adjustable.
6. A tiled display according to claim 3, wherein the transmissive aperture and/or the transmissive cross-section of the lens structure is adjustable.
7. The tiled display according to claim 2 wherein the refractive mesh points project incident light perpendicularly onto the cover sheet layer.
8. The tiled display according to claim 1, wherein the second display screen comprises Micro-LEDs or Mini-LEDs.
9. The tiled display according to claim 1, wherein the resolution of the projected pixels of the first display screen is lower than or equal to the resolution of the projected pixels of the second display screen.
10. A display device comprising the tiled display of any of claims 1-9.
CN202010146735.0A 2020-03-05 2020-03-05 Tiled display and display device Pending CN111312084A (en)

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Application Number Priority Date Filing Date Title
CN202010146735.0A CN111312084A (en) 2020-03-05 2020-03-05 Tiled display and display device

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Application Number Priority Date Filing Date Title
CN202010146735.0A CN111312084A (en) 2020-03-05 2020-03-05 Tiled display and display device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113270049A (en) * 2021-04-28 2021-08-17 惠州视维新技术有限公司 Display device
WO2023103075A1 (en) * 2021-12-10 2023-06-15 惠州华星光电显示有限公司 Method for eliminating tiling seam of tiled screen, and display device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102067196A (en) * 2008-06-25 2011-05-18 夏普株式会社 Display device
CN102257549A (en) * 2008-12-18 2011-11-23 夏普株式会社 Display device
CN104464538A (en) * 2014-12-16 2015-03-25 京东方科技集团股份有限公司 Display device
CN104464536A (en) * 2014-12-11 2015-03-25 广东威创视讯科技股份有限公司 Display device
CN105684067A (en) * 2013-11-19 2016-06-15 谷歌公司 Seamless tileable display with peripheral magnification
CN108831312A (en) * 2018-03-29 2018-11-16 友达光电股份有限公司 Display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102067196A (en) * 2008-06-25 2011-05-18 夏普株式会社 Display device
CN102257549A (en) * 2008-12-18 2011-11-23 夏普株式会社 Display device
CN105684067A (en) * 2013-11-19 2016-06-15 谷歌公司 Seamless tileable display with peripheral magnification
CN104464536A (en) * 2014-12-11 2015-03-25 广东威创视讯科技股份有限公司 Display device
CN104464538A (en) * 2014-12-16 2015-03-25 京东方科技集团股份有限公司 Display device
CN108831312A (en) * 2018-03-29 2018-11-16 友达光电股份有限公司 Display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113270049A (en) * 2021-04-28 2021-08-17 惠州视维新技术有限公司 Display device
WO2023103075A1 (en) * 2021-12-10 2023-06-15 惠州华星光电显示有限公司 Method for eliminating tiling seam of tiled screen, and display device

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Application publication date: 20200619