WO2018223791A1 - 显示面板的光学补偿方法及系统 - Google Patents

显示面板的光学补偿方法及系统 Download PDF

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Publication number
WO2018223791A1
WO2018223791A1 PCT/CN2018/085334 CN2018085334W WO2018223791A1 WO 2018223791 A1 WO2018223791 A1 WO 2018223791A1 CN 2018085334 W CN2018085334 W CN 2018085334W WO 2018223791 A1 WO2018223791 A1 WO 2018223791A1
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WIPO (PCT)
Prior art keywords
display panel
tray
optical compensation
compensation system
image
Prior art date
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Ceased
Application number
PCT/CN2018/085334
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English (en)
French (fr)
Inventor
王伟伟
代伟
雷振华
汪清
吴少杰
胡坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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Publication of WO2018223791A1 publication Critical patent/WO2018223791A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

Definitions

  • Embodiments of the present disclosure relate to an optical compensation method and system for a display panel.
  • OLEDs organic light-emitting diodes
  • OLEDs organic light-emitting diodes
  • Embodiments of the present disclosure provide an optical compensation method and system for a display panel.
  • the technical solution is as follows:
  • an optical compensation system for a display panel comprising:
  • Moving components carrier bases, image generators, image acquisition devices, and tray assemblies.
  • the moving component is configured to place a first display panel on the carrier base, the image generator configured to provide a signal source for the first display panel on the carrier base;
  • the tray assembly is configured to move a second display panel to a target area viewable by the image acquisition device, the image acquisition device configured to acquire after the image generator provides a signal source for the second display panel a grayscale image corresponding to the display image of the second display panel.
  • the first display panel includes a thin film transistor liquid crystal display (TFT-LCD) display panel
  • the second display panel includes an organic light emitting diode (OLED) display panel
  • the optical compensation system further includes: a light box, the light box Located on the carrier platform, the light box is configured to provide a backlight for the TFT-LCD display panel.
  • the tray assembly includes a tray and a tray track configured to move along the tray track to move the second display panel to the target area.
  • the tray includes a plurality of array-arranged sub-trays and a plurality of connection structures, each of the connection structures configured to connect adjacent sub-pallets, and an opening between any two adjacent sub-pallets, the image A generator is coupled to the OLED display panel on the tray through the opening.
  • the optical compensation system further includes an elevator coupled to the tray track, the elevator configured to control movement of the tray track in a direction toward or away from the image capture device.
  • the optical compensation system further includes at least two telescopic support rods, one end of each of the telescopic support rods being fixed to the top end of the elevator, and the other end being abutted against the bottom of the tray on the tray rail.
  • the at least two telescoping support bars are configured to tilt the disk surface of the tray.
  • At least two telescopic support bars are disposed on the bearing surface of the bearing base, one end of each of the telescopic support bars is fixed on the bearing surface of the bearing base, and the other end is opposite to the light box.
  • the bottom abuts, and the at least two telescoping support bars are configured to tilt the panel surface of the first display panel on the light box.
  • the tray is made of silicone.
  • the moving component includes a movable mechanical arm, one end of which is fixed, and the other end is provided with an adsorption structure, and the adsorption structure is made of a sponge.
  • the optical compensation system also includes a plurality of tray track layers.
  • the first tray track layer is a return track layer
  • the second tray track layer is a transport tray track layer
  • the third tray track layer is a transfer tray track layer
  • the fourth tray track layer is a detection tray track layer.
  • the return track layer is provided with a fixed tray track along which the tray can be moved to the starting position.
  • the moving tray track is located in any one of the transport tray track layer, the moving tray track layer and the detection tray track layer.
  • the tray when the moving tray track is located in the transport tray track layer, the tray can be moved from the starting position to the area to be detected along the moving tray track, the lift will be located in the moving tray track of the area to be detected and located in the The tray on the moving tray track is lifted to the monitoring tray track layer such that the tray is in the target area.
  • an optical compensation method for a display panel comprising:
  • the first display panel is placed on the bearing base by moving the component
  • the grayscale image corresponding to the display image of the second display panel is acquired by the image acquiring device.
  • the first display panel includes a thin film transistor liquid crystal display panel
  • the second display panel includes an organic light emitting diode (OLED) display panel.
  • OLED organic light emitting diode
  • FIG. 1 is a schematic structural diagram of an optical compensation system of a display panel according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural view of a tray provided by an embodiment of the present disclosure
  • Figure 3 is a side elevational view showing a portion of the structure of the optical compensation system of the display panel shown in Figure 1;
  • FIG. 4 is a schematic structural diagram of an optical compensation system of another display panel according to an embodiment of the present disclosure.
  • FIG. 5A is a schematic plan view of a moving tray track according to an embodiment of the present disclosure.
  • FIG. 5B is a schematic diagram of the working principle of the mobile track provided by the embodiment of the present disclosure.
  • FIG. 5C is a schematic diagram of the working principle of the fixed rail provided by the embodiment of the present disclosure.
  • the optical compensation system of the OLED display panel includes: a pallet, an image acquisition device, and a pattern generator (PG).
  • the image acquisition device includes a charge coupled device (CCD) camera and a color analyzer.
  • CCD charge coupled device
  • the tray transports the OLED display panel to the area that can be photographed by the CCD camera, and connects the PG to the OLED display panel to provide a signal source for the OLED display panel.
  • the OLED display panel After the power is turned on, the OLED display panel displays an image, and the image acquiring device optically compensates the grayscale image corresponding to the image according to the image by the CCD and the color analyzer.
  • the inventors have noticed that the optical compensation system of the OLED display panel can only optically compensate the OLED display panel, and the function is relatively simple.
  • an embodiment of the present disclosure provides an optical compensation system for a display panel. As shown in FIG. 1, the optical compensation system includes:
  • the moving assembly 10 the carrier base 20, the image generator 30, the image acquisition device 40, and the tray assembly 50.
  • the moving assembly 10 is configured to place a first display panel on a carrier base 20 that is configured to provide a signal source for a first display panel on the carrier base 20.
  • the tray assembly 50 is configured to move the second display panel to a target area that the image acquisition device 40 can capture, the image acquisition device 40 configured to acquire the second display panel after the image generator 30 provides a signal source for the second display panel Displays the grayscale image corresponding to the image.
  • the image generator 30 can be moved to different positions along the preset track to provide a signal source for the first display panel and the second display panel, for example, when the image generator 30 is located at the position M, A display panel provides a signal source, and when the image generator 30 is at position N, a signal source can be provided for the second display panel.
  • the first display panel includes a thin film transistor liquid crystal display (TFT-LCD) display panel
  • the second display panel includes an organic light emitting diode (OLED) display panel
  • TFT-LCD thin film transistor liquid crystal display
  • OLED organic light emitting diode
  • the optical compensation system of the display panel provided by the embodiment of the present disclosure adds a moving component and a bearing base in the optical compensation system of the OLED display panel, so that the optical compensation system can be used for optical compensation of the OLED display panel, and can also be used. It detects the display quality of the TFT-LCD display panel and enriches the functions of the optical compensation system.
  • the tray assembly 50 can include a tray 501 and a tray track 502.
  • the tray 501 is configured to move along the tray track 502 to move the OLED display panel to a target area that the image acquisition device 40 can photograph.
  • the tray 501 may include a plurality of arrays of sub-pallets 5011 and a plurality of connection structures 5012, each of which is configured to connect adjacent sub-pallets 5011, any two adjacent sub-pallets There is an opening H between 5011, and the image generator 30 can be connected to the OLED display panel on the tray 501 through the opening H.
  • the tray provided by the embodiment of the present disclosure can carry the OLED display panel without the backboard.
  • An OLED display panel without a backplane refers to an OLED display panel that is not mounted with a metal backplane such as an aluminum panel.
  • the OLED display panel that is, the OLED display panel mounted with the metal backplane
  • the backplane is often wasted.
  • the tray provided by the embodiment of the present disclosure on the one hand, the tray surface of the tray is as flat as possible, can support the OLED display panel without the backboard, and on the other hand, the Chip On Flex (COF) button.
  • the OLED display panel When the OLED display panel is connected to the side of the light-emitting surface of the OLED display panel, the OLED display panel needs to be connected to the image generator through the connecting line at the bottom of the display panel, so that an opening can be provided between adjacent sub-trays, and the image generator can pass through the tray.
  • the opening of the OLED display panel is connected to the OLED display panel on the tray.
  • the flatness of the OLED display panel is not affected by the connection line, which ensures the flatness of the OLED display panel, and realizes optical compensation for the OLED display panel without the backplane, thereby reducing the optical compensation. Backplane waste caused by optical compensation failure.
  • the shape of the sub-tray 5011 is not limited to the shape shown in FIG. 2.
  • the shape of the sub-tray may also be a disc shape or an elliptical disc shape, so that an opening formed between the sub-tray 5011 formed as a sub-tray array may occur correspondingly.
  • image generator 30 can still be coupled to the OLED display panel located on tray 501 via a correspondingly shaped opening.
  • the material of the tray can be silica gel.
  • the tray is made of silica gel, which can reduce the impact of vibration on the OLED display panel when the tray moves on the tray track, and has a certain damping effect. It also has a certain anti-slip effect on the OLED display panel located on the tray, improving The stability of the OLED display panel is transported by the tray, and the damage of the OLED display panel during the optical compensation process is reduced.
  • embodiments of the present disclosure are not limited thereto, and the tray may be made of other materials having shock absorbing and anti-slip effects.
  • the optical compensation system may further include an elevator 60 that is coupled to the tray rail 502.
  • the elevator 60 is configured to control the tray track 502 to move in a direction toward or away from the image acquisition device 40.
  • the optical compensation system of the display panel may include a plurality of tray track layers.
  • the first layer of tray track layers is the return track layer A.
  • the return track layer A is provided with a fixed tray track along which the tray can be moved to the starting position;
  • the second layer tray track layer is the transport tray track layer B, and the third layer tray track layer is the transfer tray track layer C
  • the fourth layer of the track track layer is the detection tray track layer D.
  • the moving tray track 602 may be located in any one of the transport tray track layer B, the transfer tray track layer C, and the detection tray track layer D.
  • the tray When the moving tray track 602 is located on the transport tray track layer B, the tray can be moved from the starting position to the area to be detected along the moving tray track 602; the lift 60 will be located on the moving tray track 602 of the area to be inspected and located on the moving tray
  • the tray on track 602 is raised to the detection tray track layer D such that the tray is in the target area for optical compensation of the OLED display panel on the tray; after optical compensation of the OLED display panel on the tray, lift 60 moves the movement
  • the tray track 602 is lowered to the transfer tray track layer C so that the tray can be moved along the moving tray track 602 to the next station.
  • the moving tray track 602 moves up and down between the plurality of tray track layers. Instead of arranging a plurality of tray tracks in the horizontal direction, the horizontal space occupied by the tray tracks can be saved, and the moving tray track 602 is as shown in FIGS. 5A-5C.
  • the moving tray track 602 includes a fixed track portion and a moving track portion.
  • the moving track portion includes a movable moving track 6022 and a guide rail 6025 in which the moving track runs.
  • the fixed track portion includes a fixed track 6021.
  • a plurality of fixed rails 6021 may be symmetrically disposed on both sides of the moving rail portion.
  • the moving track portion includes a moving track 6022, a roller 6026, a motor 6028, and a transmission member 6027 coupled between the roller and the motor motor, such as a belt.
  • the moving rails 6022 can be moved back and forth along the side rails 6025 by the transmission of the belts under the driving of the motor 6028.
  • the fixed rail 6021 also includes a roller 6026', a belt 6027' and a driving motor 6028'.
  • the rollers 6026' are rotated in the same direction under the driving of the motor 6028' to drive the belt to move in one direction, thereby being able to transmit The object on it.
  • the fixed track 6021 itself cannot move relative to the guide rail 6025 that moves the orbit.
  • the optical compensation system may further include at least two telescopic support rods 70, one end of each of the telescopic support rods 70 is fixed to the top end of the elevator 60, and the other end is connected to the tray rail 502.
  • the bottom of the tray 501 abuts the connection, and the at least two telescoping support bars 70 are configured to tilt the disk surface of the tray.
  • the inclination angle of the disk surface of the tray may range from 0° to 90°, for example, the angle between the disk surface of the tray and the horizontal plane may be 45°, 65°, 80°, or the like.
  • the process of optically compensating the OLED may include:
  • the image generator is coupled to the OLED display panel to control the at least two telescoping support rods to be in an extended state. For example, as shown in FIG. 4, the disk surface of the tray is tilted, and the OLED display panel is turned on by the image generator, so that the image generator provides different signal sources for the OLED display panel.
  • the image acquisition device is lowered to a preset height, and different images displayed by the OLED display panel are captured to obtain a grayscale image corresponding to each image. Then, the OLED display panel is gamma-adjusted according to the gray-scale image (ie, the gamma curve of the image is edited to perform nonlinear tone editing on the image, and the dark portion and the light color in the image signal are detected.
  • the optical compensation system can also include a light box 80 that can be located on the carrier base 20.
  • the light box 80 is configured to provide a backlight for the TFT-LCD display panel.
  • a light box is arranged on the bearing base to perform image quality detection on the TFT-LCD display panel without the backlight module.
  • the image generator provides a signal source for the TFT-LCD display panel, and needs to be connected with the backlight module to provide power for the backlight module.
  • the image generator only needs to be connected to the TFT-LCD display panel, and the light box in the optical compensation system can be used as a backlight module of the TFT-LCD display panel to provide a backlight for the TFT-LCD display panel.
  • the light box can be illuminated by a programmable logic controller control driver.
  • At least two telescopic support bars 28 may be disposed on the bearing surface of the bearing base 20.
  • One end of each of the telescopic support rods 28 is fixed to the bearing surface of the carrier base 20, and the other end is abutted against the bottom of the light box 80.
  • the at least two telescopic support rods are configured to tilt the surface of the TFT-LCD display panel on the light box, so that the inspection person can view the image displayed by the display panel for image quality detection.
  • the moving component 10 can include a movable mechanical arm 101 having one end fixed, the other end being provided with an adsorption structure 102, and the material of the adsorption structure 102 can be a sponge.
  • the adsorption structure can be composed of a plurality of sponge suction cups, and the number of sponge suction cups is sufficient, which can ensure the stability of the adsorption structure when adsorbing the display panel, and the sponge suction cup can reduce the damage caused by the adsorption process on the display panel, but
  • the embodiments of the present disclosure are not limited thereto.
  • the process of performing image quality detection on the TFT-LCD display panel may include:
  • the TFT-LCD display panel to be inspected is placed on the light box by the moving component, and at least two telescopic support rods on the bearing surface of the bearing base are controlled to be in an extended state, so that the surface of the TFT-LCD display panel on the light box is The tilt is generated, the image generator and the TFT-LCD display panel are connected, and the TFT-LCD display panel is lit by the image generator, so that the image generator provides different signal sources for the TFT-LCD display panel, and the examiner displays the TFT-LCD display. An image displayed on the panel to perform image quality detection on the TFT-LCD display panel.
  • the TFT-LCD display panel when performing image quality detection on the TFT-LCD display panel, the TFT-LCD display panel may be moved to a preset position by using a tray component, and the preset position may be the position of the tray 501 as shown in FIG. The TFT-LCD display panel is then placed on the light box by the moving component, but embodiments of the present disclosure are not limited thereto.
  • the ambient illuminance is 50 lux when the image quality of the TFT-LCD display panel is detected.
  • the optical compensation system of the display panel provided by the embodiment of the present disclosure can be used for optical compensation of the OLED display panel alone or for detecting the TFT-LCD display panel.
  • the image quality is displayed, however, embodiments of the present disclosure are not limited.
  • the optical compensation system of the display panel provided by the embodiment of the present disclosure adds a moving component and a bearing base in the optical compensation system of the OLED display panel, so that the optical compensation system can be used for optical compensation of the OLED display panel, and can also be used. It detects the display quality of the TFT-LCD display panel and enriches the functions of the optical compensation system.
  • An embodiment of the present disclosure further provides an optical compensation method for a display panel, which may include the following operations:
  • the TFT-LCD display panel is placed on the bearing base by moving components.
  • the grayscale image corresponding to the display image of the OLED display panel is acquired by the image acquiring device.
  • step S3 and step S4 may be interchanged, and the steps may be correspondingly increased or decreased according to the situation, and any familiarity may be adopted.
  • a person skilled in the art can easily conceive a change in the scope of the present disclosure, and the scope of the present disclosure is not limited herein.
  • the optical compensation method of the display panel provided by the embodiment of the present disclosure can place the TFT-LCD display panel on the bearing base through the moving component by adding the moving component and the bearing base in the optical compensation system of the OLED display panel, and
  • the image generator provides a signal source for the TFT-LCD display panel, so that the optical compensation system can be used for optical compensation of the OLED display panel, and can also be used for detecting the display quality of the TFT-LCD display panel, enriching the optical compensation system.
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

一种显示面板的光学补偿方法及系统。所述光学补偿系统包括：移动组件(10)、承载基台(20)、图像发生器(30)、图像获取装置(40)和托盘组件(50)。移动组件(10)配置来将第一显示面板放置于承载基台(20)上，图像发生器(30)配置来为承载基台(20)上的第一显示面板提供信号源，托盘组件配置来将第二显示面板移动至图像获取装置(40)可拍摄的目标区域，图像获取装置(40)配置来在图像发生器(30)为第二显示面板提供信号源后，获取第二显示面板的显示图像对应的灰阶图像。

Description

显示面板的光学补偿方法及系统
相关申请的交叉引用
本申请要求于2017年06月07日向SIPO提交的名称为“显示面板的光学补偿方法及系统”的中国专利申请No.201710425331.3的优先权，其全文通过引用合并于本文。
技术领域
本公开的实施例涉及一种显示面板的光学补偿方法及系统。
背景技术
随着显示技术的发展，有机发光二极管(OLED)作为一种电流型发光器件，因其所具有的自发光、快速响应、宽视角等特点而越来越多地被应用于高性能显示领域当中，为了保证OLED产品的质量，在OLED产品的生产过程中，需要检测OLED显示面板的显示画面并进行光学补偿以提高显示画面的均匀性。
发明内容
本公开实施例提供了一种显示面板的光学补偿方法及系统。所述技术方案如下：
一方面，提供了一种显示面板的光学补偿系统，所述光学补偿系统包括：
移动组件、承载基台、图像发生器、图像获取装置和托盘组件。
所述移动组件配置来将第一显示面板放置于所述承载基台上，所述图像发生器配置来为所述承载基台上的所述第一显示面板提供信号源；
所述托盘组件配置来将第二显示面板移动至所述图像获取装置可拍摄的目标区域，所述图像获取装置配置来在所述图像发生器为所述第二显示面板提供信号源后，获取所述第二显示面板的显示图像对应的灰阶图像。
例如，所述第一显示面板包括薄膜晶体管液晶显示器(TFT-LCD)显示面板，所述第二显示面板包括有机发光二极管(OLED)显示面板，所述光学补偿系统还包括：灯箱，所述灯箱位于所述承载基台上，所述灯箱配置来 为所述TFT-LCD显示面板提供背光源。
例如，所述托盘组件包括托盘和托盘轨道，所述托盘配置来沿着所述托盘轨道移动，以将所述第二显示面板移动至所述目标区域。
例如，所述托盘包括多个阵列排布的子托盘和多个连接结构，每个所述连接结构配置来连接相邻的子托盘，任意相邻的两个子托盘之间存在开口，所述图像发生器通过所述开口与位于所述托盘上的所述OLED显示面板连接。
例如，所述光学补偿系统还包括升降机，所述升降机与所述托盘轨道连接，所述升降机配置来控制所述托盘轨道沿靠近或远离所述图像获取装置的方向移动。
例如，所述光学补偿系统还包括至少两个可伸缩支撑杆，每个所述可伸缩支撑杆的一端固定在所述升降机的顶端，另一端与所述托盘轨道上的托盘的底部抵靠连接，所述至少两个可伸缩支撑杆配置来使所述托盘的盘面产生倾斜。
例如，所述承载基台的承载面上设置有至少两个可伸缩支撑杆，每个所述可伸缩支撑杆的一端固定在所述承载基台的承载面上，另一端与所述灯箱的底部抵接，所述至少两个可伸缩支撑杆配置来使所述灯箱上的所述第一显示面板的板面产生倾斜。
例如，所述托盘的材质为硅胶。
例如，所述移动组件包括可活动机械臂，所述可活动机械臂的一端固定，另一端设置有吸附结构，所述吸附结构的材质为海绵。
例如，所述光学补偿系统还包括多个托盘轨道层。第一托盘轨道层为回流轨道层，第二托盘轨道层为运输托盘轨道层，第三托盘轨道层为转移托盘轨道层，以及第四托盘轨道层为检测托盘轨道层。
例如，所述回流轨道层上设置有固定托盘轨道，托盘可以沿着该固定托盘轨道移动至起始位置。
例如，所述移动托盘轨道位于所述运输托盘轨道层，所述移动托盘轨道层和检测托盘轨道层中的任一个。
例如，当所述移动托盘轨道位于所述运输托盘轨道层时，托盘可以沿着该移动托盘轨道从起始位置移动至待检测区，所述升降机将位于待检测区的移动托盘轨道以及位于该移动托盘轨道上的托盘提升至监测托盘轨道层，使 得所述托盘位于目标区域。
另一方面，提供了一种显示面板的光学补偿方法，所述方法包括：
通过移动组件将第一显示面板放置于承载基台上；
通过图像发生器为所述承载基台上的所述第一显示面板提供信号源；
通过托盘组件将第二显示面板移动至图像获取装置可拍摄的目标区域；
在图像发生器为所述第二显示面板提供信号源后，通过所述图像获取装置获取所述第二显示面板的显示图像对应的灰阶图像。
例如，所述第一显示面板包括薄膜晶体管液晶显示器显示面板，以及所述第二显示面板包括有机发光二极管(OLED)显示面板。
附图说明
以下将结合附图对本公开的实施例进行更详细的说明，以使本领域普通技术人员更加清楚地理解本公开的实施例，其中：
图1是本公开实施例提供的一种显示面板的光学补偿系统的结构示意图；
图2是本公开实施例提供的一种托盘的结构示意图；
图3是如图1所示的显示面板的光学补偿系统的部分结构的侧视图；
图4是本公开实施例提供的另一种显示面板的光学补偿系统的结构示意图；
图5A是本公开实施例提供的移动托盘轨道的平面示意图；
图5B是本公开实施例提供的移动轨道的工作原理示意图；以及
图5C是本公开实施例提供的固定轨道的工作原理示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本公开一部分实施例，并不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在无需做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
除非另外定义，此处使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第 二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
OLED显示面板的光学补偿系统包括：托盘(Pallet)、图像获取装置和图像发生器(Pattern Generation，PG)。其中，图像获取装置包括电荷耦合器件(Charge Coupled Device，CCD)相机和色彩分析仪。对OLED显示面板进行光学补偿时，托盘将OLED显示面板运送到CCD相机可拍摄的区域，将PG接入OLED显示面板，为OLED显示面板提供信号源。通电后OLED显示面板显示图像，图像获取装置通过CCD和色彩分析仪根据该图像获取该图像对应的灰阶图像进行光学补偿。
但是，发明人注意到OLED显示面板的光学补偿系统只能对OLED显示面板进行光学补偿，功能比较单一。
本公开实施例提供了一种显示面板的光学补偿系统，如图1所示，该光学补偿系统包括：
移动组件10、承载基台20、图像发生器30、图像获取装置40和托盘组件50。
移动组件10配置来将第一显示面板放置于承载基台20上，该图像发生器30配置来为承载基台20上的第一显示面板提供信号源。
托盘组件50配置来将第二显示面板移动至图像获取装置40可拍摄的目标区域，该图像获取装置40配置来在图像发生器30为第二显示面板提供信号源后，获取第二显示面板的显示图像对应的灰阶图像。
需要说明的是，图像发生器30可以沿着预设轨道移动至不同位置，以分别为第一显示面板和第二显示面板提供信号源，例如当图像发生器30位于位置M时，可以为第一显示面板提供信号源，当图像发生器30位于位置N时，可以为第二显示面板提供信号源。
例如，所述第一显示面板包括薄膜晶体管液晶显示器(TFT-LCD)显示面板，以及所述第二显示面板包括有机发光二极管(OLED)显示面板，但是，本公开实施例并不限于此。
本公开实施例提供的显示面板的光学补偿系统，在OLED显示面板的光学补偿系统中增加了移动组件和承载基台，使该光学补偿系统既可以用于OLED显示面板的光学补偿，还可以用于检测TFT-LCD显示面板的显示画质，丰富了光学补偿系统的功能。
如图1所示，托盘组件50可以包括托盘501和托盘轨道502。托盘501配置来沿着托盘轨道502移动，以将OLED显示面板移动至图像获取装置40可拍摄的目标区域。
例如，如图2所示，托盘501可以包括多个阵列排布的子托盘5011和多个连接结构5012，每个连接结构5012配置来连接相邻的子托盘5011，任意相邻的两个子托盘5011之间存在开口H，图像发生器30可以通过开口H与位于托盘501上的OLED显示面板连接。本公开实施例提供的托盘可以承载无背板的OLED显示面板。无背板的OLED显示面板指未安装有金属背板(例如铝板)的OLED显示面板。由于无背板的OLED显示面板的刚度强度很低，相关技术中通常对模组状态下的OLED显示面板(也即是安装有金属背板的OLED显示面板)进行光学补偿。当对OLED显示面板的光学补偿失败时，常常造成背板的浪费。本公开实施例提供的托盘，一方面托盘的盘面尽可能平整，可以对无背板的OLED显示面板起到很好的支撑作用，另一方面，当覆晶薄膜(Chip On Flex，COF)键合在远离OLED显示面板的出光面一侧时，OLED显示面板需要在显示面板底部通过连接线与图像发生器连接，因此可以在相邻的子托盘之间设置开口，图像发生器可以通过托盘上的开口与位于托盘上的OLED显示面板连接，OLED显示面板的平整度不会受到连接线的影响，保证了OLED显示面板的平整，实现了对无背板的OLED显示面板进行光学补偿，减少了光学补偿失败造成的背板浪费。
子托盘5011的形状不限于图2中显示的形状，例如，子托盘的形状还可以是圆盘形或椭圆盘形，因此形成为子托盘阵列的子托盘5011之间形成的开口会发生相应的改变，图像发生器30仍然可以通过相应形状的开口与位于托盘501上的OLED显示面板连接。
例如，托盘的材质可以为硅胶。托盘采用硅胶制成，可以减小托盘在托盘轨道上移动时发生震动对OLED显示面板的影响，起到了一定的减震的效果，还对位于托盘上的OLED显示面板有一定的防滑作用，提高托盘运输OLED显示面板的稳定性，降低OLED显示面板在光学补偿过程中的受损程 度。但是，本公开的实施例并不限于此，托盘还可以由其它具有减震和防滑效果的材料制成。
图3是如图1所示的显示面板的光学补偿系统的部分结构的侧视图，如图3所示，光学补偿系统还可以包括升降机60，该升降机60与托盘轨道502连接。该升降机60配置来控制托盘轨道502沿靠近或远离图像获取装置40的方向移动。
需要说明的是，如图3所示，本公开实施例提供的显示面板的光学补偿系统可以包括多个托盘轨道层。例如，对于光学补偿系统包括四个托盘轨道层的例子，第一层托盘轨道层为回流轨道层A。回流轨道层A上设置有固定托盘轨道，托盘可以沿着该固定托盘轨道移动至起始位置；第二层托盘轨道层为运输托盘轨道层B，第三层托盘轨道层为转移托盘轨道层C，第四层托盘轨道层为检测托盘轨道层D。移动托盘轨道602可以位于运输托盘轨道层B、转移托盘轨道层C和检测托盘轨道层D中的任意一个托盘轨道层中。当该移动托盘轨道602位于运输托盘轨道层B时，托盘可以沿着该移动托盘轨道602从起始位置移动至待检测区域；升降机60将位于待检测区域的移动托盘轨道602以及位于该移动托盘轨道602上的托盘提升至检测托盘轨道层D，使得托盘位于目标区域，以便对托盘上的OLED显示面板进行光学补偿；在对托盘上的OLED显示面板进行了光学补偿后，升降机60将该移动托盘轨道602下降至转移托盘轨道层C，使托盘可以沿着该移动托盘轨道602移动至下一工站。移动托盘轨道602在多个托盘轨道层之间上下移动，替代在水平方向上设置多个托盘轨道，可以节省托盘轨道占用的水平空间，移动托盘轨道602如图5A-5C所示。
如图5A所示，移动托盘轨道602包括固定轨道部分和移动轨道部分。例如，移动轨道部分包括可移动的移动轨道6022和移动轨道在其中运行的导轨6025。固定轨道部分包括固定轨道6021。例如，多个固定轨道6021可以分别位于移动轨道部分的两侧，对称设置。
如图5B所示，移动轨道部分包括移动轨道6022，滚轮6026、电机6028以及连接在滚轮和电机马达之间的传动件6027，例如，皮带。移动轨道6022可以在电机6028的带动下通过皮带的传动沿着两侧导轨6025来回运动。
如图5C所示，固定轨道6021也包括滚轮6026’、皮带6027’和驱动电机6028’，各滚轮6026’在电机6028’的驱动下朝向同一方向转动，带动皮带向一 个方向运动，从而可以传送其上的物体。但是固定轨道6021本身不能相对于移动轨道运动的导轨6025移动。
进一步的，例如，如图3所示，光学补偿系统还可以包括至少两个可伸缩支撑杆70，每个可伸缩支撑杆70的一端固定在升降机60的顶端，另一端与托盘轨道502上的托盘501的底部抵靠连接，该至少两个可伸缩支撑杆70配置来使托盘的盘面产生倾斜。在本公开实施例中，托盘的盘面的倾斜角度范围可以为0°至90°，例如，可以使托盘的盘面与水平面的夹角成45°，65°，80°等。
示例的，在通过托盘将OLED显示面板移动至图像获取装置40可拍摄的目标区域后，对OLED进行光学补偿的过程可以包括：
将图像发生器与OLED显示面板连接，控制至少两个可伸缩支撑杆处于伸长状态。例如，如图4所示，使托盘的盘面产生倾斜，通过图像发生器使OLED显示面板接通，使得图像发生器为OLED显示面板提供不同的信号源。将图像获取装置下降至预设高度，拍摄OLED显示面板显示的不同图像以获取每个图像对应的灰阶图像。之后，根据该灰阶图像对OLED显示面板进行伽马(Gamma调整，即，对图像的伽马曲线进行编辑,以对图像进行非线性色调编辑,检出图像信号中的深色部分和浅色部分，并使两者比例增大，从而提高图像对比度效果)和Demura(指检测到显示面板显示的图像不均匀后进行补偿以消除这种不均匀现象)补偿以达到光学补偿的目的，调节和补偿过程可以参考常规技术，本公开实施例在此不做赘述。
例如，如图4所示，该光学补偿系统还可以包括：灯箱80，该灯箱80可以位于承载基台20上。该灯箱80配置来为TFT-LCD显示面板提供背光源。在承载基台上设置灯箱，可以对未安装有背光模组的TFT-LCD显示面板进行画质检测。在对安装有背光模组的TFT-LCD显示面板进行画质检测，图像发生器为TFT-LCD显示面板提供信号源的同时，需要与背光模组连接，进而为背光模组提供电源。在本公开的实施例中，图像发生器只需与TFT-LCD显示面板连接，光学补偿系统中的灯箱可以作为TFT-LCD显示面板的背光模组，为TFT-LCD显示面板提供背光源，该灯箱可以由可编程逻辑控制器控制驱动器点亮。
进一步的，例如，如图4所示，承载基台20的承载面上可以设置有至少两个可伸缩支撑杆28。每个可伸缩支撑杆28的一端固定在承载基台20的承 载面上，另一端与灯箱80的底部抵靠连接。该至少两个可伸缩支撑杆配置来使灯箱上的TFT-LCD显示面板的板面产生倾斜，便于检测人员观看显示面板显示的图像以进行画质检测。
例如，如图1所示，移动组件10可以包括可活动机械臂101，该可活动机械臂101的一端固定，另一端设置有吸附结构102，吸附结构102的材质可以为海绵。该吸附结构可以由多个海绵吸盘构成，且设置的海绵吸盘的数量足够多，可以保证吸附结构在吸附显示面板时的稳定性，采用海绵吸盘可以减小吸附过程对显示面板造成的损伤，但是，本公开的实施例并不限于此。
示例的，对TFT-LCD显示面板进行画质检测的过程可以包括：
通过移动组件将待检测的TFT-LCD显示面板放置于灯箱上，控制承载基台的承载面上的至少两个可伸缩支撑杆处于伸长状态，使灯箱上的TFT-LCD显示面板的板面产生倾斜，连接图像发生器和TFT-LCD显示面板，通过图像发生器为TFT-LCD显示面板点灯，使得图像发生器为TFT-LCD显示面板提供不同的信号源，检测人员通过观看TFT-LCD显示面板显示的图像，以对该TFT-LCD显示面板进行画质检测。
例如，在对TFT-LCD显示面板进行画质检测时，可以先通过托盘组件将TFT-LCD显示面板移动至预设位置，该预设位置可以为如图1所示的托盘501所在的位置，再通过移动组件将对TFT-LCD显示面板放置于灯箱上，但是本公开的实施例并不限于此。
需要说明的是，由于对TFT-LCD显示面板进行画质检测的环境与对OLED显示面板进行光学补偿的环境的亮度需求不同，对TFT-LCD显示面板进行画质检测时，环境照度为50勒克斯以下，对OLED显示面板进行光学补偿时，环境照度为0，因此本公开实施例提供的显示面板的光学补偿系统可以单独用于OLED显示面板的光学补偿，或者用于检测TFT-LCD显示面板的显示画质，但是，本公开的实施例并不限于。
本公开实施例提供的显示面板的光学补偿系统，在OLED显示面板的光学补偿系统中增加了移动组件和承载基台，使该光学补偿系统既可以用于OLED显示面板的光学补偿，还可以用于检测TFT-LCD显示面板的显示画质，丰富了光学补偿系统的功能。
本公开实施例还提供了一种显示面板的光学补偿方法，该方法可以包括如下操作：
S1、通过移动组件将TFT-LCD显示面板放置于承载基台上。
S2、通过图像发生器为承载基台上的TFT-LCD显示面板提供信号源。
S3、通过托盘组件将OLED显示面板移动至图像获取装置可拍摄的目标区域。
S4、在图像发生器为OLED显示面板提供信号源后，通过图像获取装置获取OLED显示面板的显示图像对应的灰阶图像。
需要说明的是，本公开实施例提供的显示面板的光学补偿方法步骤的先后顺序可以进行适当调整，例如步骤S3和步骤S4的顺序可以互换，步骤也可以根据情况进行相应增减，任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到变化的方法，都应涵盖在本公开的保护范围之内，在此不再赘述。
本公开实施例提供的显示面板的光学补偿方法，通过在OLED显示面板的光学补偿系统中增加移动组件和承载基台，可以通过移动组件将TFT-LCD显示面板放置于承载基台上，并通过图像发生器为TFT-LCD显示面板提供信号源，使该光学补偿系统既可以用于OLED显示面板的光学补偿，还可以用于检测TFT-LCD显示面板的显示画质，丰富了光学补偿系统的功能。
所属领域的普通技术人员可以清楚地了解到，为描述的方便和简洁，上述方法实施例中的过程，可以参考前述装置实施例中单元的工作过程，在此不再赘述。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
以上所述仅为本公开的示例性实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (15)

  1. 一种显示面板的光学补偿系统，包括：
    移动组件、承载基台、图像发生器、图像获取装置和托盘组件；
    其中，所述移动组件配置来将第一显示面板放置于所述承载基台上；
    所述图像发生器配置来为所述承载基台上的所述第一显示面板提供信号源；以及
    所述托盘组件配置来将第二显示面板移动至所述图像获取装置可拍摄的目标区域，所述图像获取装置配置来在所述图像发生器为所述第二显示面板提供信号源后，获取所述第二显示面板的显示图像对应的灰阶图像。
  2. 根据权利要求1所述的光学补偿系统，其中，所述第一显示面板包括薄膜晶体管液晶显示器显示面板，所述第二显示面板包括有机发光二极管(OLED)显示面板，所述光学补偿系统还包括：灯箱，所述灯箱位于所述承载基台上，所述灯箱配置来为所述TFT-LCD显示面板提供背光源。
  3. 根据权利要求1或2所述的光学补偿系统，其中，
    所述托盘组件包括托盘和托盘轨道，所述托盘配置来沿着所述托盘轨道移动，以将所述第二显示面板移动至所述目标区域。
  4. 根据权利要求3所述的光学补偿系统，其中，
    所述托盘包括多个阵列排布的子托盘和多个连接结构，每个所述连接结构配置来连接相邻的子托盘，任意相邻的两个子托盘之间存在开口，所述图像发生器通过所述开口与位于所述托盘上的所述OLED显示面板连接。
  5. 根据权利要求1-4任一项所述的光学补偿系统，还包括：升降机，所述升降机与所述托盘轨道连接，所述升降机配置来控制所述托盘轨道沿靠近或远离所述图像获取装置的方向移动。
  6. 根据权利要求5所述的光学补偿系统，还包括：至少两个可伸缩支撑杆，每个所述可伸缩支撑杆的一端固定在所述升降机的顶端，另一端与所述托盘轨道上的托盘的底部抵靠连接，所述至少两个可伸缩支撑杆配置来使所述托盘的盘面产生倾斜。
  7. 根据权利要求1或2所述的光学补偿系统，其中，
    所述承载基台的承载面上设置有至少两个可伸缩支撑杆，每个所述可伸缩支撑杆的一端固定在所述承载基台的承载面上，另一端与所述灯箱的底部 抵靠连接，所述至少两个可伸缩支撑杆配置来使所述灯箱上的所述第一显示面板的板面产生倾斜。
  8. 根据权利要求3-7所述的光学补偿系统，其中，
    所述托盘的材质为硅胶。
  9. 根据权利要求1-8任一项所述的光学补偿系统，其中，所述移动组件包括可活动机械臂，所述可活动机械臂的一端固定，另一端设置有吸附结构，
    所述吸附结构的材质为海绵。
  10. 一种显示面板的光学补偿方法，包括：
    通过移动组件将第一显示面板放置于承载基台上；
    通过图像发生器为所述承载基台上的所述第一显示面板提供信号源；
    通过托盘组件将有第二显示面板移动至图像获取装置可拍摄的目标区域；
    在图像发生器为所述第二显示面板提供信号源后，通过所述图像获取装置获取所述第二显示面板的显示图像对应的灰阶图像。
  11. 根据权利要求10所述的显示面板的光学补偿方法，其中，所述第一显示面板包括薄膜晶体管液晶显示器显示面板，以及所述第二显示面板包括有机发光二极管(OLED)显示面板。
  12. 根据权利要求1-8任一项所述的光学补偿系统，还包括多个托盘轨道层，其中，第一托盘轨道层为回流轨道层，第二托盘轨道层为运输托盘轨道层，第三托盘轨道层为转移托盘轨道层，以及第四托盘轨道层为检测托盘轨道层。
  13. 根据权利要求12所述的光学补偿系统，其中，所述回流轨道层上设置有固定托盘轨道，托盘可以沿着该固定托盘轨道移动至起始位置。
  14. 根据权利要求13所述的光学补偿系统，其中，所述移动托盘轨道位于所述运输托盘轨道层，所述移动托盘轨道层和检测托盘轨道层中的任一个。
  15. 根据权利要求14所述的光学补偿系统，其中，当所述移动托盘轨道位于所述运输托盘轨道层时，托盘可以沿着该移动托盘轨道从起始位置移动至待检测区，所述升降机将位于待检测区的移动托盘轨道以及位于该移动托盘轨道上的托盘提升至监测托盘轨道层，使得所述托盘位于目标区域。
PCT/CN2018/085334 2017-06-07 2018-05-02 显示面板的光学补偿方法及系统 Ceased WO2018223791A1 (zh)

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