WO2020206974A1 - 有机发光器件的补偿系统及其补偿方法 - Google Patents
有机发光器件的补偿系统及其补偿方法 Download PDFInfo
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- 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]
- G09G3/3225—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] using an active matrix
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- 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]
- G09G3/3266—Details of drivers for scan electrodes
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- 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]
- G09G3/3275—Details of drivers for data electrodes
Definitions
- the present invention relates to the field of display technology, in particular to a compensation system and a compensation method for an organic light emitting device.
- organic light emitting diode displays have many advantages such as high contrast, wide color gamut, fast response speed, lightness and thinness.
- the lifetime problem of organic light emitting diode displays has always been an important issue affecting the development of this technology.
- Active matrix organic light-emitting diode Both the thin film transistor (TFT) backplane of the light emitting diode (AMOLED) display panel and the AMOLED pixels have the problem of device life attenuation, and the device life attenuation will cause the display brightness to gradually decrease or the brightness to be uneven (Mura )The problem.
- the compensation system In order to solve the aforementioned problems, the compensation system must be used to make the brightness return to normal.
- compensation techniques include internal compensation and external compensation. Among them, the advantages of external compensation, such as good compensation effect and high aperture ratio, have become a research hotspot of AMOLED compensation technology.
- the compensation system used for external compensation needs to receive the life attenuation parameters detected by the timing control (TCON) module, and compensate according to the compensation data and the combination of other components. This causes the core chip of the TCON module to fail.
- the logic resource requirements are high, which not only takes up too much chip processing resources, but also increases the manufacturing cost of the device.
- the purpose of the present invention is to provide a data compensation system and a compensation method for an organic light emitting device, which are used to realize external compensation for the aging phenomenon or resolution difference of the display device, and at the same time improve the working efficiency of the timing control core chip.
- the present invention provides a compensation system for an organic light emitting device, the organic light emitting device includes a plurality of pixel units, and the data compensation system includes: a gate driving unit connected to the plurality of pixel units; A source driving and detecting unit connected to the plurality of pixel units; a compensation data unit connected to the source driving and detecting unit and including a storage element storing compensation data; a control unit connected to the The gate driving unit and the source driving and detecting unit are used to generate gate control signals and source control signals, and to process display data of the plurality of pixel units; wherein the source driving and detecting unit It is used to detect the display data of the plurality of pixel units, and through analog-to-digital conversion, and compensate the plurality of pixel units according to the compensation data of the compensation data unit.
- the present invention also provides a data compensation method for an organic light-emitting device.
- the organic light-emitting device includes a plurality of pixel units, a gate driving unit, and a control unit
- the data compensation method includes: providing a source driving and detecting unit, and A compensation data unit, wherein the source driving and detecting unit is connected to the plurality of pixel units and the control unit, and the compensation data unit includes a storage element storing compensation data; and a gate is generated by the control unit
- the electrode control signal and the source control signal enable the gate driving unit and the source driving and detecting unit to respectively generate a gate driving signal and a source driving signal;
- the source driving and detecting unit detects Performing analog-to-digital conversion on the display data of the plurality of pixel units; and the source driving and detecting unit according to the detected display data of the plurality of pixel units, Find the corresponding compensation data of the compensation data unit, and compensate the corresponding multiple pixel units.
- the source driving and detecting unit includes a display and compensation module, an analog-to-digital conversion module, and a communication transmission interface, wherein the compensation data unit is connected to the display through the communication transmission interface And a compensation module, the analog-to-digital conversion module performs analog-to-digital conversion according to the detected display data of the plurality of pixel units, and the display and compensation module uses the analog-to-digital conversion module and the compensation data unit Obtain the compensation data of the compensation data unit, and compensate the multiple pixel units.
- the source driving and detecting unit includes a display and compensation module and an analog-to-digital conversion module, wherein the compensation data unit is integrated in the source driving and detecting unit, and the The display and compensation module obtains the compensation data of the compensation data unit through the analog-to-digital conversion module and the compensation data unit, and compensates the multiple pixel units.
- the gate driving unit includes a plurality of gate driving chips and a plurality of scan lines connected to the pixel unit, and generates a gate driving signal according to a gate control signal of the control unit
- the source driving and detecting unit includes a plurality of source driving chips connected to the pixel unit, a detection chip, a plurality of data lines and a plurality of detection lines, the detection chip and the plurality of detection lines
- the measuring line is used to detect the display data of the plurality of pixel units.
- the storage element is a flash memory
- the control unit includes a timing control core chip.
- the plurality of pixel units are arranged in a matrix, and each of the pixel units includes a thin film transistor module and an organic light emitting diode element.
- the present invention further provides a data compensation system for an organic light emitting device, the organic light emitting device includes a plurality of pixel units, wherein the data compensation system includes: a gate driving unit connected to the plurality of pixel units; source driving And a detection unit, connected to the plurality of pixel units; a compensation data unit, connected to the source driving and detection unit, and including a flash memory storing compensation data; a control unit, connected to the gate
- the driving unit and the source driving and detecting unit are used to generate gate control signals and source control signals, and process the display data of the plurality of pixel units, and the control unit includes a timing control core chip; wherein
- the source driving and detecting unit is used to detect the display data of the plurality of pixel units, and through analog-to-digital conversion, and compensate the plurality of pixel units according to the compensation data of the compensation data unit
- the gate driving unit includes a plurality of gate driving chips and a plurality of scan lines connected to the pixel unit, and generates a gate driving
- the source driving and detecting unit includes a display and compensation module, an analog-to-digital conversion module, and a communication transmission interface, wherein the compensation data unit is connected to the display through the communication transmission interface And a compensation module, the analog-to-digital conversion module performs analog-to-digital conversion according to the detected display data of the plurality of pixel units, and the display and compensation module uses the analog-to-digital conversion module and the compensation data The unit obtains the compensation data of the compensation data unit, and compensates the plurality of pixel units.
- the source driving and detecting unit includes a display and compensation module and an analog-to-digital conversion module, wherein the compensation data unit is integrated in the source driving and detecting unit, and
- the display and compensation module obtains the compensation data of the compensation data unit through the analog-to-digital conversion module and the compensation data unit, and compensates the multiple pixel units.
- the display data of the plurality of pixel units are detected and analog-to-digital converted by the source driving and detection unit, and the display and compensation module For processing, the corresponding compensation data is obtained by the external or embedded compensation data unit, and the data compensation is directly performed on the corresponding pixel unit. That is, in the embodiment of the present invention, the measurement and processing of the life decay condition of the organic light-emitting device does not need to go through the timing control (timer control, TCON) core chip of the control unit, and only needs to be driven and detected by the source.
- the test unit can be completed, which greatly simplifies the processing tasks of the TCON core chip, achieves the optimization of cost and processing efficiency, and effectively solves the shortcomings of the high logic resource requirements and excessive workload of the traditional TCON core chip that cause the cost increase.
- FIG. 1 is a schematic structural diagram of a data compensation system of an organic light emitting device according to a preferred embodiment of the present invention.
- FIG. 2 is a block diagram of the structure of a data compensation system for an organic light emitting device according to a preferred embodiment of the present invention.
- FIG. 3 is a flowchart of a data compensation method of an organic light emitting device according to a preferred embodiment of the present invention.
- FIG. 4 is a schematic block diagram of a data compensation system of an organic light emitting device according to another preferred embodiment of the present invention.
- the embodiment of the present invention is a data compensation system for an organic light emitting device, in particular, it is used for an active matrix organic light emitting diode
- the external compensation drive system of light emitting diode (AMOLED) devices can compensate for poor display effects caused by aging of the devices.
- FIG. 1 is a schematic structural diagram of a data compensation system of an organic light emitting device according to a preferred embodiment of the present invention.
- the organic light emitting device 1 of the embodiment of the present invention includes a plurality of pixel units 11 arranged in a matrix. Each pixel unit 11 includes a thin film transistor module 12 and an organic light emitting diode (organic light emitting diode). diode, OLED) element 13.
- the data compensation system of the organic light emitting device includes a gate driving unit 2, a source driving and detecting unit 3, a compensation data unit 4, and a control unit 5.
- the gate driving unit 2 and the source driving and detecting unit 3 are respectively connected to the plurality of pixel units 11 (as shown in FIG. 1).
- the gate driving unit 2 includes a plurality of gate driving chips 200 and scan lines 201 connected to the pixel unit 11 (as shown in FIG. 1).
- the control unit 5 includes a timing control (TCON) core chip 51, which is connected to the gate drive unit 2 and the source drive and detection unit 3, and is used for generating gate control signals and source control Signal and processing the display data of the plurality of pixel units 11, where the display data may include the voltage of the light emitting diode element 13 and the threshold voltage of the thin film transistor module.
- the gate driving unit 2 generates a gate driving signal according to the gate control signal of the control unit 5.
- the source driving and detecting unit 3 includes a display and compensation module 30, an analog-to-digital conversion module 31, and a communication transmission interface 32.
- the source driving and detecting unit 3 includes a source driving chip 300 located in the display and compensation module 30, and a detection chip 310, which respectively pass through a plurality of data lines 301 and a plurality of detection lines 302 is connected to the pixel unit 11 (as shown in FIG. 1).
- the plurality of detection lines 302 are used to detect the display data of the plurality of pixel units 11.
- the communication transmission interface 32 is a serial peripheral interface (serial peripheral interface, SPI) for connecting to the compensation data unit 4, wherein the compensation data unit 4
- SPI serial peripheral interface
- the storage element 41 storing compensation data is a flash memory, and the compensation data is used to compensate for the display defect of the pixel unit.
- FIG. 3 is a flowchart of the data compensation method of the organic light emitting device according to the embodiment of FIG. 2.
- the data compensation method shown in FIG. 3 is performed by the structure of the organic light emitting device of FIG. 2, that is, by the gate driving unit, the source driving and detecting unit, the compensation data unit, and the control unit The relevant structure will not be repeated here. Please refer to Figure 3 in conjunction with Figure 1 and Figure 2 to view it.
- the data compensation method of the organic light emitting device of the embodiment of the present invention includes the following steps:
- Step S10 Provide a source driving and detecting unit and a compensation data unit, wherein the source driving and detecting unit is connected to the plurality of pixel units and the control unit, and the compensation data unit includes storing compensation Data storage element.
- Step S20 Generate a gate control signal and a source control signal by the control unit, so that the gate drive unit and the source drive and detection unit respectively generate a gate drive signal and a source drive signal, and transmit To the plurality of pixel units.
- Step S30 Detect the display data of the plurality of pixel units through the source driving and detecting unit, and perform analog-to-digital conversion on the detected display data. Specifically, the source driving and detecting unit performs analog-to-digital conversion based on the detected display data through the analog-to-digital conversion module.
- Step S40 The source driving and detecting unit searches for the corresponding compensation data according to the detected display data, and performs data compensation on the corresponding pixel units. Specifically, the source driving and detecting unit generates a compensation signal through the display and compensation module, and performs data compensation on the corresponding plurality of pixel units.
- the data compensation method of the embodiment of the present invention detects the anode voltage of the OLED element 13 through the detection line of the source driving and detection unit during detection, and passes the detected voltage through
- the analog-to-digital conversion module converts into a digital code and transmits it to the display and compensation module.
- the compensation data unit selects the corresponding compensation data, and compensates the pixel units that need to be compensated, so that the brightness of the aging OLED device returns to the standard value. That is, the detection and compensation of the display data of the pixel unit need not be processed by the control unit.
- the data compensation system in this embodiment includes a gate driving unit 2, a source driving and detecting unit 3, a compensation data unit 4, and a control unit 5, wherein the compensation data unit 4 includes
- the storage element 41 for the compensation data is a flash memory.
- the compensation data unit 4 is integrated in the source driving and detecting unit 2, and other components are the same as the data compensation system of the embodiment shown in FIG. 2. I will not repeat it here.
- the compensation data unit 4 is embedded in the source driving and detecting unit 2, the space occupation can be reduced, and it is suitable for organic light emitting devices of small size and low resolution.
- the compensation method of the data compensation system is the same as the steps included in FIG. 3, and will not be repeated here.
- the display data of the plurality of pixel units are detected and analog-to-digital converted by the source driving and detection unit, and the display and compensation module For processing, the corresponding compensation data is obtained by the external or embedded compensation data unit, and the data compensation is directly performed on the corresponding pixel unit. That is, in the embodiment of the present invention, the measurement and processing of the life decay condition of the organic light-emitting device does not need to go through the TCON core chip of the control unit, and it can be completed only by the source driving and detection unit. Simplify the processing tasks of the TCON core chip, achieve the optimization of cost and processing efficiency, and effectively solve the shortcomings of high logic resource requirements and excessive workload of the traditional TCON core chip, which cause the cost increase.
Abstract
有机发光器件的数据补偿系统，包括栅极驱动单元（2）、源极驱动及侦测单元（3）、补偿数据单元（4）和控制单元（5）。控制单元（5）用于生成栅极控制信号及源极控制信号，及处理多个像素单元（11）的显示数据。源极驱动及侦测单元（3）用于侦测像素单元（11）的显示数据，并通过模数转换，且依据补偿数据单元（4）的补偿数据对像素单元（11）进行补偿。
Description
本发明涉及显示技术领域，特别是涉及一种有机发光器件的补偿系统及其补偿方法。
有机发光二极管显示器作为一种具有广泛应用前景的新型显示技术，具有高对比度，广色域，快响应速度和轻薄等诸多优点。但是，有机发光二极管显示器的寿命问题一直是影响该技术发展的重要问题。组成有源矩阵有机发光二极管(active matrix organic
light emitting diode, AMOLED)显示面板的薄膜晶体管(thin film transistor, TFT)背板和AMOLED像素，都存在器件寿命衰减的问题，而器件寿命衰减会造成显示亮度逐渐降低，或是亮度不均匀(Mura)的问题。
为解决前述问题，必须通过补偿系统进行补偿使亮度回复正常状态。现有技术中，补偿技术包括内部补偿和外部补偿两种，其中因外部补偿具有补偿效果好，开口率高等优势成为AMOLED补偿技术的研究热点。然而，用于外部补偿的补偿系统，需要通过时序控制(timer control, TCON)模块接收侦测获得的寿命衰减参数，并依据补偿数据及其他元件的搭配进行补偿，因此造成TCON模块的核心芯片的逻辑资源要求较高，不仅占用太多芯片处理资源，且提高器件的制作成本。
本发明的目的在于提供一种有机发光器件的数据补偿系统及补偿方法，用以对显示器件的衰老现象或分辨率的差异实现外部补偿，并同时提高时序控制核心芯片的工作效率。
为实现上述目的，本发明提供一种有机发光器件的补偿系统，所述有机发光器件包括多个像素单元，且所述数据补偿系统包括：栅极驱动单元，连接至所述多个像素单元；源极驱动及侦测单元，连接至所述多个像素单元；补偿数据单元，连接于所述源极驱动及侦测单元，并包括存储有补偿数据的存储元件；控制单元，连接于所述栅极驱动单元及所述源极驱动及侦测单元，并用于生成栅极控制信号及源极控制信号，及处理所述多个像素单元的显示数据；其中所述源极驱动及侦测单元用于侦测所述多个像素单元的显示数据，并通过模数转换，且依据所述补偿数据单元的所述补偿数据对所述多个像素单元进行补偿。
本发另外提供一种有机发光器件的数据补偿方法，所述有机发光器件包括多个像素单元、栅极驱动单元及控制单元，且所述数据补偿方法包括：提供源极驱动及侦测单元及补偿数据单元，其中所述源极驱动及侦测单元连接于所述多个像素单元及所述控制单元，且所述补偿数据单元包括存储有补偿数据的存储元件；通过所述控制单元生成栅极控制信号及源极控制信号，使所述栅极驱动单元及所述源极驱动及侦测单元分别生成栅极驱动信号及源极驱动信号；通过所述源极驱动及侦测单元侦测所述多个像素单元的显示数据，并将所侦测的显示数据进行模数转换；及所述源极驱动及侦测单元依据所侦测的所述多个像素单元的所述显示数据，查找对应的所述补偿数据单元的补偿数据，并对相应的所述多个像素单元进行补偿。
依据本发明的一实施例，所述源极驱动及侦测单元包括显示和补偿模块、模数转换模块，及通信传输接口，其中所述补偿数据单元通过所述通信传输接口连接于所述显示和补偿模块，所述模数转换模块依据所侦测的所述多个像素单元的所述显示数据进行模数转换，所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
依据本发明的另一实施例，所述源极驱动及侦测单元包括显示和补偿模块及模数转换模块，其中所述补偿数据单元集成于所述源极驱动及侦测单元内，所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的补偿述据，并对所述多个像素单元进行补偿。
依据本发明的另一实施例，所述栅极驱动单元包括多个连接所述像素单元的栅极驱动芯片及多条扫描线，并依据所述控制单元的栅极控制信号生成栅极驱动信号，所述源极驱动及侦测单元包括多个连接所述像素单元的源极驱动芯片、侦测芯片、多条数据线及多条侦测线，所述侦测芯片及所述多条侦测线用以侦测所述多个像素单元的所述显示数据。
依据本发明的另一实施例，所述存储元件为快闪存储器，且所述控制单元包括时序控制核心芯片。
依据本发明的另一实施例，所述多个像素单元配置成矩阵，且每一所述像素单元包括薄膜晶体管模块及有机发光二极管元件。
本发明另外提供一种有机发光器件的数据补偿系统，所述有机发光器件包括多个像素单元，其中所述数据补偿系统包括：栅极驱动单元，连接至所述多个像素单元；源极驱动及侦测单元，连接至所述多个像素单元；补偿数据单元，连接于所述源极驱动及侦测单元，并包括存储有补偿数据的快闪存储器；控制单元，连接于所述栅极驱动单元及所述源极驱动及侦测单元，并用于生成栅极控制信号及源极控制信号，及处理所述多个像素单元的显示数据，且所述控制单元包括时序控制核心芯片；其中所述源极驱动及侦测单元用于侦测所述多个像素单元的显示数据，并通过模数转换，且依据所述补偿数据单元的所述补偿数据对所述多个像素单元进行补偿，且所述栅极驱动单元包括多个连接所述像素单元的栅极驱动芯片及多条扫描线，并依据所述控制单元的栅极控制信号生成栅极驱动信号，所述源极驱动及侦测单元包括多个连接所述像素单元的源极驱动芯片、侦测芯片、多条数据线及多条侦测线，所述侦测芯片及所述多条侦测线用以侦测所述多个像素单元的所述显示数据。
依据本发明的一实施例，所述源极驱动及侦测单元包括显示和补偿模块、模数转换模块，及通信传输接口，其中所述补偿数据单元通过所述通信传输接口连接于所述显示和补偿模块，所述模数转换模块依据所侦测的所述多个像素单元的所述显示数据进行模数转换，且所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
依据本发明的另一实施例，所述源极驱动及侦测单元包括显示和补偿模块及模数转换模块，其中所述补偿数据单元集成于所述源极驱动及侦测单元内，且所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿述据，并对所述多个像素单元进行补偿。
本发明实施例的有机发光器件的数据补偿系统，通过所述源极驱动及侦测单元对所述多个像素单元的显示数据进行侦测及模数转换，并经由所述显示和补偿模块的处理，由外置或内嵌的补偿数据单元取得对应的补偿数据，直接对相应的像素单元进行数据补偿。亦即，本发明实施例对于有机发光器件的寿命衰减情况的量测和处理，不需经过所述控制单元的时序控制(timer control, TCON)核心芯片，只需通过所述源极驱动及侦测单元即可完成，大幅简化TCON核心芯片的处理任务，达到成本及处理效率的优化，进而有效解决传统TCON核心芯片的高度逻辑资源需求及过重的工作负荷而造成成本增加的缺点。
图1为根据本发明的一较佳实施例的有机发光器件的数据补偿系统的结构示意图。
图2为根据本发明的一较佳实施例的有机发光器件的数据补偿系统的结构方块示意图。
图3为根据本发明的一较佳实施例的有机发光器件的数据补偿方法的流程图。
图4为根据本发明的另一较佳实施例的有机发光器件的数据补偿系统的结构方块示意图。
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
本发明说明书中使用的术语仅用来描述特定实施方式，而并不意图显示本发明的概念。除非上下文中有明确不同的意义，否则，以单数形式使用的表达涵盖复数形式的表达。在本发明说明书中，应理解，诸如“包括”、“具有”以及“含有”等术语意图说明存在本发明说明书中揭示的特征、数字、步骤、动作或其组合的可能性，而并不意图排除可存在或可添加一个或多个其他特征、数字、步骤、动作或其组合的可能性。附图中的相同参考标号指代相同部分。
本发明实施例为一种有机发光器件的数据补偿系统，尤其是指用于有源矩阵有机发光二极管(activematrix organic
light emitting diode,AMOLED)器件的外部补偿驱动系统，可对器件由于老化等造成显示效果不佳进行补偿。图1为根据本发明的一较佳实施例的有机发光器件的数据补偿系统的结构示意图。本发明实施例的有机发光器件1包括以矩阵方式排列的多个像素单元11。每一所述像素单元11包括一薄膜晶体管模块12及有机发光二极管(organic light emitting
diode,OLED)元件13。
图2为根据本发明的一较佳实施例的有机发光器件的数据补偿系统的结构方块示意图。请参阅图2配合图1观之。本发明实施例的有机发光器件的数据补偿系统包括栅极驱动单元2、源极驱动及侦测单元3、补偿数据单元4，及控制单元5。所述栅极驱动单元2及所述源极驱动及侦测单元3分别连接至所述多个像素单元11(如图1所示)。具体而言，所述栅极驱动单元2包括多个连接所述像素单元11的栅极驱动芯片200及扫描线201(如图1所示)。所述控制单元5包括时序控制(timer control, TCON)核心芯片51，连接于所述栅极驱动单元2及所述源极驱动及侦测单元3，并用于生成栅极控制信号及源极控制信号，及处理所述多个像素单元11的显示数据，其中所述显示数据可包括所述发光二极管元件13的电压及所述薄膜晶体管模组的阀值电压等。此外，所述栅极驱动单元2依据所述控制单元5的栅极控制信号生成栅极驱动信号。
如图2所示，所述源极驱动及侦测单元3包括一显示和补偿模块30、一模数转换模块31，及一通信传输接口32。具体而言，所述源极驱动及侦测单元3包括位于所述显示和补偿模块30的源极驱动芯片300，及侦测芯片310，其分别通过多条数据线301及多条侦测线302连接至所述像素单元11(如图1所示)。所述多条侦测线302用以侦测所述多个像素单元11的显示数据。特别说明的是，于此较佳实施例中，所述通信传输接口32为串行外设接口(serial peripheral interface, SPI)，用于连接所述补偿数据单元4，其中所述补偿数据单元4存储有补偿数据的存储元件41，其为快闪存储器(flash memory)，而所述补偿数据用于对所述像素单元的显示缺陷进行补偿。
图3为根据图2的实施例的有机发光器件的数据补偿方法的流程图。图3所示的数据补偿方法通过图2的有机发光器件的结构进行，亦即通过所述栅极驱动单元、所述源极驱动及侦测单元、所述补偿数据单元，及所述控制单元进行，其相关构造于此不再复述。请参阅图3配合图1及图2观之。本发明实施例的有机发光器件的数据补偿方法包括如下步骤：
步骤S10：提供源极驱动及侦测单元及补偿数据单元，其中所述源极驱动及侦测单元连接于所述多个像素单元及所述控制单元，且所述补偿数据单元包括存储有补偿数据的存储元件。
步骤S20：通过所述控制单元生成栅极控制信号及源极控制信号，使所述栅极驱动单元及所述源极驱动及侦测单元分别生成栅极驱动信号及源极驱动信号，并传送至所述多个像素单元。
步骤S30：通过所述源极驱动及侦测单元侦测所述多个像素单元的显示数据，并将所侦测的显示数据进行模数转换。具体而言，所述源极驱动及侦测单元是通过所述模数转换模块，依据所侦测的显示数据进行模数转换。
步骤S40：所述源极驱动及侦测单元依据所侦测的显示数据，查找对应的所述补偿数据，并对相应的所述多个像素单元进行数据补偿。具体而言，所述源极驱动及侦测单元是通过所述显示和补偿模块产生补偿信号，并对相应的所述多个像素单元进行数据补偿。
如前所述，本发明实施例的数据补偿方法于侦测时，是通过所述源极驱动及侦测单元的侦测线侦测所述OLED元件13的阳极电压，并将检测的电压通过所述模数转换模块转换为数字码，且传输给所述显示和补偿模块。所述显示和补偿模块再由所述补偿数据单元选择对应的补偿数据，并对需要补偿的像素单元进行补偿，使老化后的OLED器件的亮度回复标准值。亦即，对所述像素单元的显示数据的侦测及补偿不需要经由所述控制单元处理。
图4为根据本发明的另一较佳实施例的有机发光器件的数据补偿系统的结构方块示意图。如图4所示，于此实施例的数据补偿系统包括栅极驱动单元2、源极驱动及侦测单元3、补偿数据单元4、及控制单元5，其中所述补偿数据单元4包括存储有补偿数据的存储元件41，其为flash memory。图4所示的实施例与前述实施例的区别在于所述补偿数据单元4集成于所述源极驱动及侦测单元2内，其他元件皆相同于图2所示实施例的数据补偿系统，于此不再复述。特别说明的是，由于所述补偿数据单元4内嵌于所述源极驱动及侦测单元2内，可减少空间的占用，适用于较小尺寸、低分辨率的有机发光器件。此外，图4所示的实施例，其数据补偿系统的补偿方法相同于图3所包括的步骤，于此不再复述。
本发明实施例的有机发光器件的数据补偿系统，通过所述源极驱动及侦测单元对所述多个像素单元的显示数据进行侦测及模数转换，并经由所述显示和补偿模块的处理，由外置或内嵌的补偿数据单元取得对应的补偿数据，直接对相应的像素单元进行数据补偿。亦即，本发明实施例对于有机发光器件的寿命衰减情况的量测和处理，不需经过所述控制单元的TCON核心芯片，只需通过所述源极驱动及侦测单元即可完成，大幅简化TCON核心芯片的处理任务，达到成本及处理效率的优化，进而有效解决传统TCON核心芯片的高度逻辑资源需求及过重的工作负荷而造成成本增加的缺点。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
Claims (13)
- 一种有机发光器件的数据补偿系统，所述有机发光器件包括多个像素单元，其中所述数据补偿系统包括：栅极驱动单元，连接至所述多个像素单元；源极驱动及侦测单元，连接至所述多个像素单元；补偿数据单元，连接于所述源极驱动及侦测单元，并包括存储有补偿数据的存储元件；以及控制单元，连接于所述栅极驱动单元及所述源极驱动及侦测单元，并用于生成栅极控制信号及源极控制信号，及处理所述多个像素单元的显示数据；其中所述源极驱动及侦测单元用于侦测所述多个像素单元的显示数据，并通过模数转换，且依据所述补偿数据单元的所述补偿数据对所述多个像素单元进行补偿。
- 如权利要求1的有机发光器件的数据补偿系统，其中所述源极驱动及侦测单元包括显示和补偿模块、模数转换模块，及通信传输接口，其中所述补偿数据单元通过所述通信传输接口连接于所述显示和补偿模块，所述模数转换模块依据所侦测的所述多个像素单元的所述显示数据进行模数转换，且所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
- 如权利要求1的有机发光器件的数据补偿系统，其中所述源极驱动及侦测单元包括显示和补偿模块及模数转换模块，其中所述补偿数据单元集成于所述源极驱动及侦测单元内，且所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
- 如权利要求1的有机发光器件的数据补偿系统，其中所述栅极驱动单元包括多个连接所述像素单元的栅极驱动芯片及多条扫描线，并依据所述控制单元的栅极控制信号生成栅极驱动信号，所述源极驱动及侦测单元包括多个连接所述像素单元的源极驱动芯片、侦测芯片、多条数据线及多条侦测线，所述侦测芯片及所述多条侦测线用以侦测所述多个像素单元的所述显示数据。
- 如权利要求1的有机发光器件的数据补偿系统，其中所述存储元件为快闪存储器，且所述控制单元包括时序控制核心芯片。
- 如权利要求1的有机发光器件的数据补偿系统，其中所述多个像素单元配置成矩阵，且每一所述像素单元包括薄膜晶体管模块及有机发光二极管元件。
- 一种有机发光器件的数据补偿方法，所述有机发光器件包括多个像素单元、栅极驱动单元及控制单元，其中所述数据补偿方法包括：提供源极驱动及侦测单元及补偿数据单元，其中所述源极驱动及侦测单元连接于所述多个像素单元及所述控制单元，且所述补偿数据单元包括存储有补偿数据的存储元件；通过所述控制单元生成栅极控制信号及源极控制信号，使所述栅极驱动单元及所述源极驱动及侦测单元分别生成栅极驱动信号及源极驱动信号；通过所述源极驱动及侦测单元侦测所述多个像素单元的显示数据，并将所侦测的显示数据进行模数转换；以及所述源极驱动及侦测单元依据所侦测的所述多个像素单元的所述显示数据，查找对应的所述补偿数据单元的补偿数据，并对相应的所述多个像素单元进行补偿。
- 如权利要求7的数据补偿方法，其中所述源极驱动及侦测单元包括显示和补偿模块、模数转换模块，及通信传输接口，其中所述补偿数据单元通过所述通信传输接口连接于所述显示和补偿模块，所述模数转换模块依据所侦测的所述多个像素单元的所述显示数据进行模数转换，所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
- 如权利要求7的数据补偿方法，其中所述源极驱动及侦测单元包括显示和补偿模块及模数转换模块，其中所述补偿数据单元集成于所述源极驱动及侦测单元内，所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿述据，并对所述多个像素单元进行补偿。
- 如权利要求7的数据补偿方法，其中所述栅极驱动单元包括多个连接所述像素单元的栅极驱动芯片及多条扫描线，并依据所述控制单元的栅极控制信号生成栅极驱动信号，所述源极驱动及侦测单元包括多个连接所述像素单元的源极驱动芯片、侦测芯片、多条数据线及多条侦测线，所述侦测芯片及所述多条侦测线用以侦测所述多个像素单元的所述显示数据。
- 一种有机发光器件的数据补偿系统，所述有机发光器件包括多个像素单元，其中所述数据补偿系统包括：栅极驱动单元，连接至所述多个像素单元；源极驱动及侦测单元，连接至所述多个像素单元；补偿数据单元，连接于所述源极驱动及侦测单元，并包括存储有补偿数据的快闪存储器；控制单元，连接于所述栅极驱动单元及所述源极驱动及侦测单元，并用于生成栅极控制信号及源极控制信号，及处理所述多个像素单元的显示数据，且所述控制单元包括时序控制核心芯片；其中所述源极驱动及侦测单元用于侦测所述多个像素单元的显示数据，并通过模数转换，且依据所述补偿数据单元的所述补偿数据对所述多个像素单元进行补偿，且所述栅极驱动单元包括多个连接所述像素单元的栅极驱动芯片及多条扫描线，并依据所述控制单元的栅极控制信号生成栅极驱动信号，所述源极驱动及侦测单元包括多个连接所述像素单元的源极驱动芯片、侦测芯片、多条数据线及多条侦测线，所述侦测芯片及所述多条侦测线用以侦测所述多个像素单元的所述显示数据。
- 如权利要求11的有机发光器件的数据补偿系统，其中所述源极驱动及侦测单元包括显示和补偿模块、模数转换模块，及通信传输接口，其中所述补偿数据单元通过所述通信传输接口连接于所述显示和补偿模块，所述模数转换模块依据所侦测的所述多个像素单元的所述显示数据进行模数转换，且所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
- 如权利要求11的有机发光器件的数据补偿系统，其中所述源极驱动及侦测单元包括显示和补偿模块及模数转换模块，其中所述补偿数据单元集成于所述源极驱动及侦测单元内，且所述显示和补偿模块通过所述模数转换模块和所述补偿数据单元取得所述补偿数据单元的所述补偿数据，并对所述多个像素单元进行补偿。
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