CN105679219B - Amoled显示面板检测方法及检测装置 - Google Patents

Amoled显示面板检测方法及检测装置 Download PDF

Info

Publication number
CN105679219B
CN105679219B CN201610178387.9A CN201610178387A CN105679219B CN 105679219 B CN105679219 B CN 105679219B CN 201610178387 A CN201610178387 A CN 201610178387A CN 105679219 B CN105679219 B CN 105679219B
Authority
CN
China
Prior art keywords
display panel
amoled display
amoled
temperature
short circuit
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201610178387.9A
Other languages
English (en)
Other versions
CN105679219A (zh
Inventor
王振岭
黄泰钧
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to CN201610178387.9A priority Critical patent/CN105679219B/zh
Publication of CN105679219A publication Critical patent/CN105679219A/zh
Priority to PCT/CN2016/086432 priority patent/WO2017161709A1/zh
Priority to US15/114,849 priority patent/US20180108297A1/en
Application granted granted Critical
Publication of CN105679219B publication Critical patent/CN105679219B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3225Control 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] using an active matrix
    • G09G3/3258Control 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] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3225Control 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] using an active matrix
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/70Testing, e.g. accelerated lifetime tests
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/04Maintaining the quality of display appearance
    • G09G2320/041Temperature compensation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/12Test circuits or failure detection circuits included in a display system, as permanent part thereof
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/831Aging
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/861Repairing

Abstract

本发明提供一种AMOLED面板检测方法及检测装置,通过设置温度侦测模块(3)拍摄并记录AMOLED显示面板(2)各显示区域的温度,当该温度侦测模块(3)侦测到AMOLED显示面板(2)某一显示区域的温度超过设定的阈值温度时则说明该AMOLED显示面板(2)内存在短路及微短路的状况,从而能够有效地检测出并及时拦截存在短路及微短路状况的AMOLED显示面板(2),防止其流向后端的装配制程;进一步通过设置阻抗检测模块(4)来对被拦截的AMOLED显示面板(2)中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板(2)中出现短路及微短路的位置,以进行准确的修复,提高面板良率。

Description

AMOLED显示面板检测方法及检测装置
技术领域
本发明涉及有机发光二极管显示技术领域,尤其涉及一种AMOLED显示面板检测方法及检测装置。
背景技术
有机发光二极管(Organic Light Emitting Diode,OLED)显示面板具有自发光、驱动电压低、发光效率高、响应时间短、清晰度与对比度高、近180°视角、使用温度范围宽,可实现柔性显示和大面积全彩显示等诸多优点,被业界公认为最有潜力的显示面板。
OLED显示面板按照驱动方式可以分为无源矩阵型OLED(Passive Matrix OLED,PMOLED)和有源矩阵型OLED(Active Matrix OLED,AMOLED)两大类,其中AMOLED显示面板具有呈阵列式排布的像素,每一像素由数个薄膜晶体管与电容构成的驱动电路进行驱动,属于主动显示类型,发光效能高,通常用于高清晰度的大尺寸显示装置。
AMOLED是电流驱动器件,当有电流流经有机发光二极管时,有机发光二极管发光,且发光亮度由流经有机发光二极管自身的电流决定。在AMOLED显示面板出厂前,需对AMOLED显示面板进行检测。
如图1所示,现有的AMOLED显示面板检测装置通常仅包括一检测信号产生模块100、及一电性连接所述检测信号产生模块100的AMOLED显示面板200,所述检测信号产生模块100向AMOLED显示面板200提供电源正电压OVDD、电源负电压OVSS、检测用数据信号Data、以及检测用扫描信号Gate,所述AMOLED显示面板200接收各信号显示测试画面。技术人员通过目视或利用影像撷取设备来判断该AMOLED显示面板200是否存在点和线缺陷,这种检测方式仅适用于AMOLED显示面板200内出现短路或开路的状况,并不能检测出AMOLED显示面板200内出现微短路的状况。
所谓“微短路”是指在AMOLED显示面板制造过程中,细小的颗粒(Particle)会造成面板内出现数据线与扫描线(或电源正电压走线与电源负电压走线)之间的线路阻抗过小,且没有造成点或线缺陷的现象。微短路会造成驱动有机发光二极管的电流比预期的对应于数据信号的电流值大,使有机发光二极管的亮度和温度升高,AMOLED显示面板的温度随之升高,而面板温度升高会进一步造成电流增大、温度升高,形成恶性循环,最终导致AMOLED显示面板老化烧毁,因此非常有必要检测出存在微短路状况的AMOLED显示面板,以拦截其流向后端的装配制程。
发明内容
本发明的目的在于提供一种AMOLED显示面板检测方法,能够有效地检测出并及时拦截存在短路及微短路状况的AMOLED显示面板,防止其流向后端的装配制程,提高面板良率。
本发明的另一目的在于提供一种AMOLED显示面板检测装置,能够有效地检测出并及时拦截存在短路及微短路状况的AMOLED显示面板,防止其流向后端的装配制程,提高面板良率。
为实现上述目的,本发明首先提供一种AMOLED显示面板检测方法,包括以下步骤:
步骤1、提供AMOLED显示面板检测装置;
所述AMOLED显示面板检测装置至少包括检测信号产生模块、与所述检测信号产生模块电性连接的AMOLED显示面板、及与所述AMOLED显示面板电性连接的温度侦测模块;
步骤2、所述检测信号产生模块向AMOLED显示面板输出电源正电压、电源负电压、检测用数据信号、以及检测用扫描信号,控制所述AMOLED显示面板显示测试画面;
步骤3、检测AMOLED显示面板是否存在亮点、与亮线缺陷;
步骤4、所述检测信号产生模块控制所述AMOLED显示面板持续显示纯白色画面,同时通过所述温度侦测模块拍摄并记录AMOLED显示面板各显示区域的温度;
步骤5、设定阈值温度,对任一显示区域温度超过该阈值温度的AMOLED显示面板进行拦截。
所述温度侦测模块为热像仪。
步骤4中所述AMOLED显示面板持续显示纯白色画面的时间为10分钟。
所述步骤1中的AMOLED显示面板检测装置还包括与所述AMOLED显示面板电性连接的阻抗检测模块。
所述AMOLED显示面板检测方法还包括步骤6、通过所述阻抗检测模块对被拦截的AMOLED显示面板中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板中出现短路及微短路的位置。
所述AMOLED显示面板检测方法还包括步骤7、通过激光对被拦截的AMOLED显示面板中出现短路及微短路的位置进行修复。
本发明还提供一种AMOLED显示面板检测装置,至少包括检测信号产生模块、与所述检测信号产生模块电性连接的AMOLED显示面板、及与所述AMOLED显示面板电性连接的温度侦测模块。
所述温度侦测模块为热像仪。
所述AMOLED显示面板检测装置还包括与所述AMOLED显示面板电性连接的阻抗检测模块。
本发明的有益效果:本发明提供的AMOLED面板检测方法及检测装置,通过设置温度侦测模块拍摄并记录AMOLED显示面板各显示区域的温度,当该温度侦测模块侦测到AMOLED显示面板某一显示区域的温度超过设定的阈值温度时则说明该AMOLED显示面板内存在短路及微短路的状况,从而能够有效地检测出并及时拦截存在短路及微短路状况的AMOLED显示面板,防止其流向后端的装配制程;进一步通过设置阻抗检测模块来对被拦截的AMOLED显示面板中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板中出现短路及微短路的位置,以进行准确的修复,提高面板良率。
附图说明
为了能更进一步了解本发明的特征以及技术内容,请参阅以下有关本发明的详细说明与附图,然而附图仅提供参考与说明用,并非用来对本发明加以限制。
附图中,
图1为现有的AMOLED显示面板检测装置的结构框图;
图2为本发明的AMOLED显示面板检测方法的流程图;
图3为本发明的AMOLED显示面板检测装置的结构框图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果,以下结合本发明的优选实施例及其附图进行详细描述。
请同时参阅图2与图3,本发明首先提供一种AMOLED显示面板检测方法,包括以下步骤:
步骤1、提供AMOLED显示面板检测装置。
如图3所示,所述AMOLED显示面板检测装置包括检测信号产生模块1、与所述检测信号产生模块1电性连接的AMOLED显示面板2、与所述AMOLED显示面板2电性连接的温度侦测模块3、及与所述AMOLED显示面板2电性连接的阻抗检测模块4。
步骤2、所述检测信号产生模块1向AMOLED显示面板2输出电源正电压OVDD、电源负电压OVSS、检测用数据信号Data、以及检测用扫描信号Gate,控制所述AMOLED显示面板2显示测试画面。
具体地,所述AMOLED显示面板2内设置有对应于各个信号的测试用接线端子,分别负责接收所述检测信号产生模块1向AMOLED显示面板2输出的电源正电压OVDD、电源负电压OVSS、检测用数据信号Data、以及检测用扫描信号Gate,AMOLED显示面板2即能够显示测试画面。进一步的,所述测试画面为现有面板测试技术所使用的纯黑、纯红、纯绿、纯蓝等纯色画面或其它常用的测试画面。
步骤3、检测AMOLED显示面板2是否存在亮点、与亮线缺陷。
该步骤3的作用在于对AMOLED显示面板2的测试画面进行常规检测,由技术人员通过目视或利用影像撷取设备来观察测试画面,若发现亮点、亮线则表明该AMOLED显示面板2存在点、线缺陷。
步骤4、完成对测试画面的常规检测后,所述检测信号产生模块1控制所述AMOLED显示面板2持续显示纯白色画面,同时通过所述温度侦测模块3拍摄并记录AMOLED显示面板2各显示区域的温度。
具体地,所述温度侦测模块3优选为热像仪;所述AMOLED显示面板2持续显示纯白色画面的时间选定为10分钟左右,以保证AMOLED显示面板2有足够的发热时间。
在该步骤4的进行过程中,若AMOLED显示面板2的某一显示区域存在短路及微短路的状况,则该显示区域会由于电流增大而导致温度升高。
步骤5、设定阈值温度,对任一显示区域温度超过该阈值温度的AMOLED显示面板2进行拦截。
具体地,所述阈值温度可根据AMOLED显示面板2的型号、驱动电路构成、及驱动电路内各元件的材料、特性等因素来确定,若通过温度侦测模块3测得的AMOLED显示面板2某一显示区域的温度超过了该阈值温度,则说明该AMOLED显示面板2内存在短路及微短路的问题,从而能够有效地检测出并及时拦截存在短路及微短路状况的AMOLED显示面板2,防止其流向后端的装配制程。
进一步地,为了提高AMOLED显示面板的产品良率,本发明的AMOLED显示面板检测方法还包括:
步骤6、通过所述阻抗检测模块4对被拦截的AMOLED显示面板2中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板2中出现短路及微短路的位置。
由于该步骤6仅对由之前步骤所拦截的AMOLED显示面板2中超过阈值温度的显示区域进行阻抗检测,即对确定出现了现短路及微短路问题的显示区域做阻抗检测,针对性强,能够缩短阻抗检测时间,较快速地找出该被拦截的AMOLED显示面板2中出现短路及微短路的位置。
以及步骤7、通过激光(Laser)对被拦截的AMOLED显示面板2中出现短路及微短路的位置进行修复。
具体地,该步骤7先将出现短路及微短路的信号走线进行激光熔断,再将其与对应的修复线路进行激光熔接即可实现修复,使得AMOLED显示面板恢复正常,提高产品良率。
基于同一发明构思,本发明还提供一种AMOLED显示面板检测装置。如图3所示,本发明的AMOLED显示面板检测装置包括检测信号产生模块1、与所述检测信号产生模块1电性连接的AMOLED显示面板2、与所述AMOLED显示面板2电性连接的温度侦测模块3、及与所述AMOLED显示面板2电性连接的阻抗检测模块4。其中,所述温度侦测模块3优选为热像仪。
具体地,所述检测信号产生模块1用于向AMOLED显示面板2输出电源正电压OVDD、电源负电压OVSS、检测用数据信号Data、以及检测用扫描信号Gate,对所述AMOLED显示面板2进行控制。
所述AMOLED显示面板2用于显示测试画面,其设置有对应于各个信号的测试用接线端子,分别负责接收所述检测信号产生模块1向AMOLED显示面板2输出的电源正电压OVDD、电源负电压OVSS、检测用数据信号Data、以及检测用扫描信号Gate。
所述温度侦测模块3用于在AMOLED显示面板2持续显示纯白色画面时拍摄并记录AMOLED显示面板2各显示区域的温度,若通过所述温度侦测模块3测得的AMOLED显示面板2某一显示区域的温度超过了设定的阈值温度,则说明该AMOLED显示面板2内存在短路及微短路的问题,需要对该AMOLED显示面板2进行拦截,防止其流向后端的装配制程。
所述阻抗检测模块4用于对被拦截的AMOLED显示面板2中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板2中出现短路及微短路的位置,以便于对短路及微短路的位置进行准确修复。
进一步地,本发明的AMOLED显示面板检测装置的工作过程为:
首先,所述检测信号产生模块1向AMOLED显示面板2输出各个信号,控制所述AMOLED显示面板2显示测试画面,由技术人员对测试画面进行常规检测,即通过目视或利用影像撷取设备来观察测试画面,若发现亮点、亮线则表明该AMOLED显示面板2存在点、线缺陷。
完成对测试画面的常规检测后,所述检测信号产生模块1控制所述AMOLED显示面板2持续显示纯白色画面10分钟左右,同时通过所述温度侦测模块3拍摄并记录AMOLED显示面板2各显示区域的温度。
接下来,根据AMOLED显示面板2的型号、驱动电路构成、及驱动电路内各元件的材料、特性等因素来设定一阈值温度,若通过温度侦测模块3测得的AMOLED显示面板2某一显示区域的温度超过了该阈值温度,则说明该AMOLED显示面板2内存在短路及微短路的问题,那么对该AMOLED显示面板2进行拦截,防止其流向后端的装配制程。
最后,所述阻抗检测模块4针对被拦截的AMOLED显示面板2中超过阈值温度的显示区域进行阻抗检测,快速找出该被拦截的AMOLED显示面板2中出现短路及微短路的位置,为后续的激光修复提供位置依据,提高产品良率。
综上所述,本发明的AMOLED面板检测方法及检测装置,通过设置温度侦测模块拍摄并记录AMOLED显示面板各显示区域的温度,当该温度侦测模块侦测到AMOLED显示面板某一显示区域的温度超过设定的阈值温度时则说明该AMOLED显示面板内存在短路及微短路的状况,从而能够有效地检测出并及时拦截存在短路及微短路状况的AMOLED显示面板,防止其流向后端的装配制程;进一步通过设置阻抗检测模块来对被拦截的AMOLED显示面板中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板中出现短路及微短路的位置,以进行准确的修复,提高面板良率。
以上所述,对于本领域的普通技术人员来说,可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形,而所有这些改变和变形都应属于本发明后附的权利要求的保护范围。

Claims (9)

1.一种AMOLED显示面板检测方法,其特征在于,包括以下步骤:
步骤1、提供AMOLED显示面板检测装置;
所述AMOLED显示面板检测装置至少包括检测信号产生模块(1)、与所述检测信号产生模块(1)电性连接的AMOLED显示面板(2)、及与所述AMOLED显示面板(2)电性连接的温度侦测模块(3);
步骤2、所述检测信号产生模块(1)向AMOLED显示面板(2)输出电源正电压(OVDD)、电源负电压(OVSS)、检测用数据信号(Data)、以及检测用扫描信号(Gate),控制所述AMOLED显示面板(2)显示测试画面;
步骤3、检测AMOLED显示面板(2)是否存在亮点、与亮线缺陷;
步骤4、所述检测信号产生模块(1)控制所述AMOLED显示面板(2)持续显示纯白色画面,同时通过所述温度侦测模块(3)拍摄并记录AMOLED显示面板(2)各显示区域的温度;
步骤5、设定阈值温度,对任一显示区域温度超过该阈值温度的AMOLED显示面板(2)进行拦截,从而检测出并拦截存在短路及微短路状况的AMOLED显示面板(2);
所述微短路是指在AMOLED显示面板(2)制造过程中,细小的颗粒(Particle)会造成面板内出现数据线(Data)与扫描线(Gate)或电源正电压(OVDD)走线与电源负电压(OVSS)走线之间的线路阻抗过小,且没有造成点或线缺陷的现象。
2.如权利要求1所述的AMOLED显示面板检测方法,其特征在于,所述温度侦测模块(3)为热像仪。
3.如权利要求1或2所述的AMOLED显示面板检测方法,其特征在于,步骤4中所述AMOLED显示面板(2)持续显示纯白色画面的时间为10分钟。
4.如权利要求1所述的AMOLED显示面板检测方法,其特征在于,所述步骤1中的AMOLED显示面板检测装置还包括与所述AMOLED显示面板(2)电性连接的阻抗检测模块(4)。
5.如权利要求4所述的AMOLED显示面板检测方法,其特征在于,还包括步骤6、通过所述阻抗检测模块(4)对被拦截的AMOLED显示面板(2)中超过阈值温度的显示区域进行阻抗检测,找出该被拦截的AMOLED显示面板(2)中出现短路及微短路的位置。
6.如权利要求5所述的AMOLED显示面板检测方法,其特征在于,还包括步骤7、通过激光对被拦截的AMOLED显示面板(2)中出现短路及微短路的位置进行修复。
7.一种AMOLED显示面板检测装置,其特征在于,至少包括检测信号产生模块(1)、与所述检测信号产生模块(1)电性连接的AMOLED显示面板(2)、及与所述AMOLED显示面板(2)电性连接的温度侦测模块(3);
所述温度侦测模块(3)在检测信号产生模块(1)控制AMOLED显示面板(2)持续显示纯白色画面时拍摄并记录AMOLED显示面板(2)各显示区域的温度,对任一显示区域温度超过阈值温度的AMOLED显示面板(2)进行拦截,从而检测出并拦截存在短路及微短路状况的AMOLED显示面板(2);
所述微短路是指在AMOLED显示面板(2)制造过程中,细小的颗粒(Particle)会造成面板内出现数据线(Data)与扫描线(Gate)或电源正电压(OVDD)走线与电源负电压(OVSS)走线之间的线路阻抗过小,且没有造成点或线缺陷的现象。
8.如权利要求7所述的AMOLED显示面板检测装置,其特征在于,所述温度侦测模块(3)为热像仪。
9.如权利要求7所述的AMOLED显示面板检测装置,其特征在于,还包括与所述AMOLED显示面板(2)电性连接的阻抗检测模块(4)。
CN201610178387.9A 2016-03-25 2016-03-25 Amoled显示面板检测方法及检测装置 Active CN105679219B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610178387.9A CN105679219B (zh) 2016-03-25 2016-03-25 Amoled显示面板检测方法及检测装置
PCT/CN2016/086432 WO2017161709A1 (zh) 2016-03-25 2016-06-20 Amoled显示面板检测方法及检测装置
US15/114,849 US20180108297A1 (en) 2016-03-25 2016-06-20 Amoled display panel detection method and detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610178387.9A CN105679219B (zh) 2016-03-25 2016-03-25 Amoled显示面板检测方法及检测装置

Publications (2)

Publication Number Publication Date
CN105679219A CN105679219A (zh) 2016-06-15
CN105679219B true CN105679219B (zh) 2019-04-02

Family

ID=56223994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610178387.9A Active CN105679219B (zh) 2016-03-25 2016-03-25 Amoled显示面板检测方法及检测装置

Country Status (3)

Country Link
US (1) US20180108297A1 (zh)
CN (1) CN105679219B (zh)
WO (1) WO2017161709A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105679219B (zh) * 2016-03-25 2019-04-02 深圳市华星光电技术有限公司 Amoled显示面板检测方法及检测装置
CN106199365B (zh) * 2016-06-17 2018-11-23 深圳市华星光电技术有限公司 Oled掺杂浓度的选择方法
CN107423197B (zh) * 2017-07-10 2021-02-09 Oppo广东移动通信有限公司 电子设备、温升控制方法、控制装置及存储介质
CN107633810B (zh) 2017-10-27 2019-10-11 京东方科技集团股份有限公司 像素电路补偿方法及装置、显示面板和显示装置
CN109166506A (zh) * 2018-10-31 2019-01-08 苏州旷视智能科技有限公司 基于高精度机器视觉的显示面板的检测方法
US10983482B2 (en) * 2019-01-03 2021-04-20 Apple Inc. Electronic devices with display burn-in mitigation
CN109727562B (zh) * 2019-01-25 2022-05-06 南京京东方显示技术有限公司 一种面板检测装置及检测方法
CN110782857A (zh) * 2019-11-15 2020-02-11 Tcl华星光电技术有限公司 一种显示装置及其驱动方法
CN113075581A (zh) * 2021-03-17 2021-07-06 深圳市华星光电半导体显示技术有限公司 显示面板黑屏的解析方法及解析装置
CN114137437B (zh) * 2021-12-07 2023-05-30 Tcl华星光电技术有限公司 次毫米发光二极管背光基板线路短路检测方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009008687A (ja) * 2002-01-23 2009-01-15 Marena Systems Corp 欠陥に対応する場所に位置する欠陥アーチファクトの解析方法及び撮像システム
CN201489795U (zh) * 2009-08-03 2010-05-26 俞权锋 显示缺陷自动检测装置
CN101958093A (zh) * 2009-07-17 2011-01-26 友达光电(厦门)有限公司 显示面板测试装置及测试方法
CN102428378A (zh) * 2009-06-29 2012-04-25 夏普株式会社 有源矩阵基板的制造装置和制造方法以及显示面板的制造装置和制造方法
CN102708770A (zh) * 2011-03-28 2012-10-03 宏濑科技股份有限公司 平面显示器的缺陷检测系统及方法
CN103985335A (zh) * 2014-06-05 2014-08-13 西安诺瓦电子科技有限公司 Led显示装置散热均匀性检测方法、检测装置及检测系统
CN104978916A (zh) * 2014-04-03 2015-10-14 四川虹视显示技术有限公司 Oled面板显示缺陷修复方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6545500B1 (en) * 1999-12-08 2003-04-08 John E. Field Use of localized temperature change in determining the location and character of defects in flat-panel displays
JP2005149769A (ja) * 2003-11-11 2005-06-09 Shimadzu Corp Tftアレイ検査方法及びtftアレイ検査装置
US7474115B1 (en) * 2004-12-28 2009-01-06 Dupont Displays, Inc. Organic electronic device display defect detection
US8907991B2 (en) * 2010-12-02 2014-12-09 Ignis Innovation Inc. System and methods for thermal compensation in AMOLED displays
CN104112426B (zh) * 2014-06-30 2016-08-24 上海天马有机发光显示技术有限公司 一种oled像素驱动电路、静电释放保护电路及检测方法
CN105679219B (zh) * 2016-03-25 2019-04-02 深圳市华星光电技术有限公司 Amoled显示面板检测方法及检测装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009008687A (ja) * 2002-01-23 2009-01-15 Marena Systems Corp 欠陥に対応する場所に位置する欠陥アーチファクトの解析方法及び撮像システム
CN102428378A (zh) * 2009-06-29 2012-04-25 夏普株式会社 有源矩阵基板的制造装置和制造方法以及显示面板的制造装置和制造方法
CN101958093A (zh) * 2009-07-17 2011-01-26 友达光电(厦门)有限公司 显示面板测试装置及测试方法
CN201489795U (zh) * 2009-08-03 2010-05-26 俞权锋 显示缺陷自动检测装置
CN102708770A (zh) * 2011-03-28 2012-10-03 宏濑科技股份有限公司 平面显示器的缺陷检测系统及方法
CN104978916A (zh) * 2014-04-03 2015-10-14 四川虹视显示技术有限公司 Oled面板显示缺陷修复方法
CN103985335A (zh) * 2014-06-05 2014-08-13 西安诺瓦电子科技有限公司 Led显示装置散热均匀性检测方法、检测装置及检测系统

Also Published As

Publication number Publication date
CN105679219A (zh) 2016-06-15
WO2017161709A1 (zh) 2017-09-28
US20180108297A1 (en) 2018-04-19

Similar Documents

Publication Publication Date Title
CN105679219B (zh) Amoled显示面板检测方法及检测装置
CN107039004B (zh) Amoled显示面板的老化补偿方法
CN104112426B (zh) 一种oled像素驱动电路、静电释放保护电路及检测方法
US11367391B2 (en) Display panel, display device and detection method
CN105590573B (zh) Amoled显示面板线缺陷的修复结构及修复方法
CN106920496A (zh) 显示面板的检测方法和检测装置
CN104167181A (zh) 显示器及其子像素驱动方法
CN107086025A (zh) 显示面板、显示装置及显示面板的控制方法
CN111524197B (zh) 一种Microled或Miniled的异常像素实时检测修复方法及装置
CN104217684A (zh) Led坏点处理方法及检测方法、及led显示控制方法
CN105096786A (zh) 阵列检测可靠性判断方法、有机发光背板检测方法及装置
CN206946907U (zh) 一种有机发光显示设备
CN106920516B (zh) 用于oled的补偿方法和装置、显示装置
KR101823002B1 (ko) 유기발광다이오드(oled) 표시장치의 검사방법 및 검사장치
CN104867454A (zh) 用于amoled分区驱动的控制电路及控制方法
CN110264931A (zh) 像素电路中晶体管的阈值电压漂移的检测方法及检测装置
CN109256073A (zh) 一种显示面板检测结构及显示设备
CN208477888U (zh) 显示面板和显示装置
CN111613157A (zh) 显示面板的Mura修补测试方法、显示面板、显示装置
KR20150042573A (ko) 프로브 자동접촉검사가 가능한 유기전계발광 표시소자의 검사장치시스템 및 방법
CN102298224B (zh) 压接检测装置
CN109166506A (zh) 基于高精度机器视觉的显示面板的检测方法
CN108230974A (zh) 一种发光器件缺陷检测电路及方法、显示驱动装置、显示装置及其检测方法
KR20090074388A (ko) 표시패널의 검사 장치 및 그 방법
CN101295005B (zh) 一种有机电致发光器件的检测装置及检测方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant