WO2010105395A1 - 消除显示屏拼接框的装置 - Google Patents

消除显示屏拼接框的装置 Download PDF

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Publication number
WO2010105395A1
WO2010105395A1 PCT/CN2009/001322 CN2009001322W WO2010105395A1 WO 2010105395 A1 WO2010105395 A1 WO 2010105395A1 CN 2009001322 W CN2009001322 W CN 2009001322W WO 2010105395 A1 WO2010105395 A1 WO 2010105395A1
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WO
WIPO (PCT)
Prior art keywords
display
frame
displaying
led
lcd
Prior art date
Application number
PCT/CN2009/001322
Other languages
English (en)
French (fr)
Inventor
夏展敏
丁炜慷
Original Assignee
Xia Zhanmin
Ding Weikang
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 Xia Zhanmin, Ding Weikang filed Critical Xia Zhanmin
Priority to DE212009000173U priority Critical patent/DE212009000173U1/de
Priority to AU2009342373A priority patent/AU2009342373A1/en
Priority to US13/257,049 priority patent/US20120001830A1/en
Priority to JP2012600001U priority patent/JP3177665U/ja
Priority to EP09841680A priority patent/EP2410506A4/en
Priority to KR2020117000031U priority patent/KR20110010572U/ko
Publication of WO2010105395A1 publication Critical patent/WO2010105395A1/zh
Priority to US14/197,209 priority patent/US20140184472A1/en

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Classifications

    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0232—Special driving of display border areas

Definitions

  • the utility model relates to a device for eliminating the splicing frame of a display screen, in particular to a display device technology for seamlessly splicing the display screen.
  • the overall large-area LCD/PDP display technology of more than 80 inches requires huge investment, low yield, high price, difficult transportation, and cannot be popularized due to limitations in technology, equipment, and raw materials. Therefore, when a large-area display screen is required, an LED display is usually used.
  • the biggest limitation of large-area LED display technology is the low display resolution.
  • the dot pitch of LED is generally between 10 mm and 4 mm, usually called P10 ⁇ P4, compared with LCD 0.5 mm dot pitch and PDP 1.0 mm dot pitch. , the display is not good.
  • the bright and dark lattices on the LED screen alternately change on the retina, causing visual burden, fatigue and even stinging of the eyes.
  • the minimum dot pitch for LED display is 3 mm, and the display effect is improved, but ternary LEDs 11 1 , 1 1 1 are required per square meter, and the price, power consumption, and heat dissipation will become the largest bottle neck.
  • LED displays are indoors, and it is difficult to use them for close-up and long-time viewing. However, indoors such as airport terminals still need to have a display larger than .80 inches.
  • a common practice is to splicing with a small, high-definition LCD/PDP display. Since the display has a bezel, there is a significant stitching seam after splicing, and a black sash is formed on the large-area display. Although there is now a frameless PDP designed for splicing, it is expensive and has a shorter life than LCD. The LCD is not mechanically capable of frameless display. The improved narrow-edge LCD/PDP display greatly improves the stitching display, but still does not completely eliminate the frame. The use of other large-area digital projections is limited by the projection space, display brightness, and brightness uniformity. At the same time, projection display devices require high-brightness light sources, which have a short life span, typically less than 10,000 hours, less than one-third of the LCD backlight.
  • OLED is a new display technology in the laboratory, and there are prototypes. However, it is still a long time for OLEDs to show up in large areas and commercialization. It is generally estimated that OLEDs will gradually take about 5 years.
  • the purpose of the utility model is to solve the problem that the frame cannot be eliminated when a large-area display screen is spliced by using a small area (less than 80 inches) display screen in the prior art, and a device for frameless splicing of the display screen is provided.
  • the utility model is designed to eliminate the splicing frame of the display screen, and comprises a plurality of display screens spliced into an array, wherein: a display frame is arranged on the frame of each of the spliced display screens, and the display screen and the display frame form a frame.
  • the complete display plane has a processing circuit that divides the original display screen into a display portion and a display frame portion to connect each display screen and display frame.
  • the display strip frame is composed of an LED or an OLED.
  • the processing circuit is composed of a video processing card that divides a video image, an LCD/PDP driver circuit, and an LED/OLED driver circuit.
  • the utility model has the advantages of fully utilizing the advantages of the LCD/PDP and the LED/OLED, and eliminating the border of the small-area display screen when spliced into a large-area display screen. when:
  • the dot matrix of the LED is 2 x 2 mm;
  • LCD dot matrix is 0.485 x 0.485 mm
  • Figure 1 is a schematic view of the structure of the present invention
  • FIG. 2 is a schematic structural view of a processing circuit of the present invention.
  • the figure comprises a plurality of display screens 1 arranged in an array, characterized in that: a display strip frame 2 is arranged on the frame of each of the spliced display screens 1, and the display screen 1 and the display strip frame 2 form a complete display plane,
  • the original display screen is divided into a display portion and a processing circuit 3 for displaying the frame portion to connect each display Screen 1 and display with frame 2.
  • the display strip frame 2 is composed of an LED or an OLED.
  • the processing circuit 3 is composed of a video processing card 4 that divides a video image, an LCD/PDP driver circuit 5, and an LED/OLED driver circuit 6.
  • the original graphics are first divided into the display portion of the LCD display and the display portion of the LED frame by using the video processing card, and then displayed on the LCD display and the LED frame by the LCD and the LED driver (card) respectively.
  • the composition is an overall image that matches the original graphic.
  • the dot matrix of the LED is 2 x 2 mm;
  • LCD dot matrix is 0.485 x 0.485 mm

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Description

消除显示屏拼接框的装置
技术领域
本实用新型涉及一种消除显示屏拼接边框的装置， 特别是一种对显示屏实 现无缝拼接的显示装置技术。
背景技术
目前 80 英吋以上整体大面积 LCD/PDP 显示技术需要巨额投资， 以及成 品率低、 价格昂贵、 运输困难， 并由于在技术、 设备、 原材料等方面的限制而 无法普及。 因此当需要用到大面积显示屏幕时， 通常是用 LED显示屏。 大面积 LED显示技术最大的限制在于显示分辨率低， LED 的点距一般在 10毫米到 4毫米之间， 通常称为 P10 ~ P4， 与 LCD 0.5毫米点距、 PDP1.0 毫米点距相比， 显示效果不佳。 同时， 由于视点的不固定性 （人体的微小移动)， LED屏上的亮、 暗点阵在视网膜上产生交替变化， 造成视觉负担， 疲劳甚至造 成眼睛刺痛等。目前用于 LED 显示的最小点距为 3毫米，显示效果得到改进， 但每平方米需要三元色 LED 11 1 ,1 1 1 个， 价格、 功耗、 散热将成为最大的瓶 颈。 显然， LED显示屏在室内， 用于近距离、 长时间观看是困难的。 但室内如 机场候机楼等仍然需要有大于.80英吋的显示屏。常有的做法是用小面积、 高清 晰的 LCD/PDP 显示屏进行拼接。 由于显示屏具有边框， 因此在拼接后存在有 明显的拼接缝， 在大面积显示屏上形成了黑框格。 虽然现在有专为拼接设计的 无框 PDP， 但价格昂贵、 寿命不如 LCD。 而 LCD从机理上无法实现无框显示。 改进的窄边 LCD/PDP 显示屏， 在很大程度改善了拼接显示效果， 但仍无法彻 底消除拼框。 而用其它的大面积的数字投影则受到投影空间、 显示亮度及亮度 均匀度的限制。 同时， 投影显示设备需要高亮度光源， 它的寿命较短， 一般小 于 10,000 小时， 不足 LCD 背光的三分之一。
OLED是目前实验室中的新型显示技术， 已有样机展示。 但 OLED在大面 积显示、 商业化普及仍有待时日，一般估计 OLED将用 5年左右的时间逐步走
1
确 认 本 向市场， 并在相当长的时间内与 LCD/PDP在市场上平行。 发明内容
本实用新型的目的是解决现有技术中利用小面积 （小于 80 英吋） 显示屏 拼接出大面积显示屏时无法消除边框的问题， 提供一种对显示屏实现无框拼接 的装置。 本实用新型设计消除显示屏拼接框的装置， 包括若干个拼接成阵列的 显示屏， 其特征在于： 在所拼接的每个显示屏的边框上面有一显示带框， 显示 屏与显示带框构成一完整显示平面， 有一将原显示画面切分成显示屏部分和显 示带框部分的处理电路连接每个显示屏及显示带框。 所述的显示带框为 LED 或 OLED 组成。 所述的处理电路由分割视频图像的视频处理卡、 LCD/PDP驱 动器电路、 LED/OLED 驱动器电路组成。 本实用新型的优点是充分利用 LCD/PDP, LED/OLED 各自的长处， 消除小面积显示屏在拼接成大面积显示 屏时的边框。 当：
a) LED 的点阵为 2 x 2 mm;
b) LCD 点阵为 0.485 x 0.485 mm;
c) LCD 分辨率为 1920 x 1080；
d) LCD 拼接为 4 x 4 时，
它们的实际显示点阵非常接近。 同时， 由于 LED/OLED 仅处在边框面积上， 避免了高密度 LED产生的价格、功耗、散热以及目前制造大面积 OLED 困难 等问题， 可以充分利用现有成熟的小于 80 英吋的显示板， 任意拼接、 拓展出 100 英吋以上， 甚至几百英吋的整体显示屏。
附图说明
附图 1为本实用新型的结构示意图，
附图 2为本实用新型的处理电路结构示意图。
具体实施方式
下面结合附图和实例对本实用新型作详细说明。
图中包括若干个拼接成阵列的显示屏 1， 其特征在于： 在所拼接的每个显示 屏 1的边框上面有一显示带框 2， 显示屏 1与显示带框 2构成一完整显示平面， 有 一将原显示画面切分成显示屏部分和显示带框部分的处理电路 3连接每个显示 屏 1及显示带框 2。 所述的显示带框 2为 LED 或 OLED 组成。 所述的处理电路 3由分割视频图像的视频处理卡 4、 LCD/PDP驱动器电路 5、 LED/OLED驱动器 电路 6组成。
具体实现时，先利用视频处理卡将原图形分割成由 LCD显示屏显示部分与 LED 带框显示部分， 然后， 分别通过 LCD、 LED驱动器 (卡） 在 LCD 显示屏 与 LED带框上显示， 使之合成为一个与原来图形相符的整体图像。 当每个拼显 示屏均按照上述显示的话，整个显示阵列形成一个完整的无拼接缝的大显示屏。
当：
a) LED 的点阵为 2 x 2 mm;
b) LCD 点阵为 0.485 x 0.485 mm;
c) LCD 分辨率为 1920 x 1080；
d) LCD 拼接为 4 x 4 时，
它们的实际显示点阵非常接近。 同时， 由于 LED/OLED 仅处在边框面积上， 避免了高密度 LED 产生的价格、功耗、散热以及目前制造大面积 OLED 困难 等问题， 可以充分利用现有成熟的小于 80 英吋的显示板， 任意拼接、 拓展出 100 英吋以上， 甚至几百英吋的整体显示屏。

Claims

权 利 要 求 书
1、 消除显示屏拼接框的装置， 包括若干个拼接成阵列的显示屏， 其特征在 于： 在所拼接的每个显示屏的边框上面有一显示带框， 显示屏与显示带框构成 一完整显示平面， 有一将原显示画面切分成显示屏部分和显示带框部分的处理 电路连接每个显示屏及显示带框。
2、 按权利要求 1所述的消除显示屏拼接框的装置， 其特征在于： 所述的显 示带框为 LED 或 OLED 组成。
3、按权利要求 1所述的消除显示屏拼接框的装置， 其特征在于： 所述的处 理电路由分割视频图像的视频处理卡、 LCD/PDP驱动器电路、 LED/OLED 驱 动器电路组成。
PCT/CN2009/001322 2009-03-20 2009-11-26 消除显示屏拼接框的装置 WO2010105395A1 (zh)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE212009000173U DE212009000173U1 (de) 2009-03-20 2009-11-26 Vorrichtung zum Beseitigen von Spleiß-Rahmeneines Bildschirms
AU2009342373A AU2009342373A1 (en) 2009-03-20 2009-11-26 Device for eliminating screen splicing frames
US13/257,049 US20120001830A1 (en) 2009-03-20 2009-11-26 Device for eliminating splicing frames a display screen
JP2012600001U JP3177665U (ja) 2009-03-20 2009-11-26 スクリーンを繋ぎ合わせる継ぎ目の除去装置
EP09841680A EP2410506A4 (en) 2009-03-20 2009-11-26 DEVICE FOR REMOVING SCREEN CONNECTION FRAMES
KR2020117000031U KR20110010572U (ko) 2009-03-20 2009-11-26 디스플레이의　연결 테두리를　제거하는 장치
US14/197,209 US20140184472A1 (en) 2009-03-20 2014-03-04 Device for eliminating dead bezel of a display screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200920069185.6 2009-03-20
CN200920069185.6U CN201374154Y (zh) 2009-03-20 2009-03-20 消除显示屏拼接框的装置

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/257,049 A-371-Of-International US20120001830A1 (en) 2009-03-20 2009-11-26 Device for eliminating splicing frames a display screen
US14/197,209 Continuation-In-Part US20140184472A1 (en) 2009-03-20 2014-03-04 Device for eliminating dead bezel of a display screen

Publications (1)

Publication Number Publication Date
WO2010105395A1 true WO2010105395A1 (zh) 2010-09-23

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Application Number Title Priority Date Filing Date
PCT/CN2009/001322 WO2010105395A1 (zh) 2009-03-20 2009-11-26 消除显示屏拼接框的装置

Country Status (8)

Country Link
US (1) US20120001830A1 (zh)
EP (1) EP2410506A4 (zh)
JP (1) JP3177665U (zh)
KR (1) KR20110010572U (zh)
CN (1) CN201374154Y (zh)
AU (2) AU2009101363A4 (zh)
DE (1) DE212009000173U1 (zh)
WO (1) WO2010105395A1 (zh)

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