WO2014056241A1 - 有机发光二极管器件及相应的显示装置 - Google Patents

有机发光二极管器件及相应的显示装置 Download PDF

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Publication number
WO2014056241A1
WO2014056241A1 PCT/CN2012/083093 CN2012083093W WO2014056241A1 WO 2014056241 A1 WO2014056241 A1 WO 2014056241A1 CN 2012083093 W CN2012083093 W CN 2012083093W WO 2014056241 A1 WO2014056241 A1 WO 2014056241A1
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Prior art keywords
light emitting
organic light
driving
area
emitting diode
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PCT/CN2012/083093
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English (en)
French (fr)
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吴元均
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深圳市华星光电技术有限公司
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Priority to US13/703,081 priority Critical patent/US9304537B2/en
Publication of WO2014056241A1 publication Critical patent/WO2014056241A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • 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]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • the present invention relates to the field of organic electroluminescence, and in particular to an organic light emitting diode device and a corresponding display device capable of realizing a narrow bezel.
  • FIG. 1A is a schematic structural view of a conventional organic light emitting diode device
  • FIG. 1B is an enlarged schematic view of a portion A of FIG. 1A
  • FIG. 1C is a B-B according to FIG. 1B. 'A cross-sectional view of the direction shown.
  • the organic light emitting diode device includes a plurality of pixels 10 each including an organic light emitting unit 11 and a driving circuit unit 12.
  • the organic light emitting unit 11 includes an anode 111, a cathode 112, and a plurality of organic emission layers 113 disposed between the anode 111 and the cathode 112.
  • the driving circuit unit 12 is for driving the corresponding organic light emitting unit 11.
  • the organic light emitting diode device includes three regions, a display region 13, a driving region (completely coincident with the display region, not shown), a bezel region 14, and a package region 15.
  • the area occupied by all the organic light emitting units 11 of the organic light emitting diode device is completely the same as the area occupied by all the driving circuit units 12 (driving area), and thus other traces or circuits of the organic light emitting diode (for example, scan driving traces) And a scan driving circuit, etc.) must be disposed outside the display area 13, referred to herein as the bezel area 14. Due to the presence of the bezel area 14, it is difficult for the organic light emitting diode device to achieve a narrow bezel design.
  • An object of the present invention is to provide an organic light emitting diode device having a display area larger than a driving area and a corresponding display device, so that a frame region of the organic light emitting diode device can be overlapped with the display region, thereby facilitating realization of a narrow border of the organic light emitting diode device. .
  • the technical problem that the existing organic light emitting diode device and the corresponding display device are difficult to realize the narrow bezel design is solved.
  • the present invention relates to an organic light emitting diode device including a plurality of pixels, each of which includes:
  • An organic light emitting unit for emitting light of a corresponding color
  • a driving circuit unit corresponding to the organic light emitting unit configured to drive the corresponding organic light emitting unit
  • the organic light emitting unit is connected to a corresponding driving circuit unit through a metal connecting layer, the organic light emitting unit is disposed in a display area of the organic light emitting diode device, and the driving circuit unit is disposed in a driving area of the organic light emitting diode device
  • the driving area overlaps the display area, and an area of the driving area is smaller than an area of the display area;
  • An intermediate portion of the display area overlaps with the driving area
  • the organic light emitting diode device further includes a data driving circuit disposed in a first frame region of the organic light emitting diode device and a scan driving circuit, and a power driving trace disposed in a second frame region of the organic light emitting diode device, Data driving traces and scan drive traces; the second bezel area overlapping at least one side of the display area.
  • the invention further relates to an organic light emitting diode device comprising a plurality of pixels, each pixel comprising:
  • An organic light emitting unit for emitting light of a corresponding color
  • a driving circuit unit corresponding to the organic light emitting unit configured to drive the corresponding organic light emitting unit
  • the organic light emitting unit is connected to a corresponding driving circuit unit through a metal connecting layer, the organic light emitting unit is disposed in a display area of the organic light emitting diode device, and the driving circuit unit is disposed in a driving area of the organic light emitting diode device
  • the driving area overlaps the display area, and an area of the driving area is smaller than an area of the display area.
  • an intermediate portion of the display region overlaps with the driving region.
  • the organic light emitting diode device further includes a data driving circuit and a scan driving circuit disposed in a first bezel region of the organic light emitting diode device, and the organic light emitting diode disposed on the organic light emitting diode a power drive trace of the second bezel area of the device, a data drive trace, and a scan drive trace; the second bezel area overlapping at least one side of the display area.
  • the first frame region and at least one side of the display region are formed by depositing the data driving circuit and the scan driving circuit on the glass substrate. overlapping.
  • the OLED device further includes a package for encapsulating the OLED device, the package being disposed in a package region of the OLED device The package area is located outside the first frame area.
  • the organic light emitting unit includes:
  • a plurality of organic emission layers are disposed between the anode and the cathode.
  • the OLED device further includes:
  • a power cord for providing a power signal
  • the driving circuit unit includes:
  • a driving transistor for driving the corresponding organic light emitting unit
  • a switching transistor for controlling a switch of the driving transistor
  • the control end of the switching transistor is sequentially connected to the scan driving circuit through the scan line and the scan driving trace, and the input end of the switching transistor sequentially drives the trace and the data through the data line and the data
  • the data driving circuit is connected, the output end of the switching transistor is connected to the control end of the driving transistor, and the input end of the driving transistor is sequentially connected to the external current source through the power line and the power driving trace.
  • An output end of the driving transistor is connected to the organic light emitting unit through the metal connection layer.
  • the metal connection layer and the output end of the driving transistor are located in the same metal layer.
  • the metal connection layer and the output end of the driving transistor are located in different metal layers.
  • the invention further relates to a display device comprising an organic light emitting diode device comprising:
  • An organic light emitting unit for emitting light of a corresponding color
  • a driving circuit unit corresponding to the organic light emitting unit configured to drive the corresponding organic light emitting unit
  • the organic light emitting unit is connected to a corresponding driving circuit unit through a metal connecting layer, the organic light emitting unit is disposed in a display area of the organic light emitting diode device, and the driving circuit unit is disposed in a driving area of the organic light emitting diode device
  • the driving area overlaps the display area, and an area of the driving area is smaller than an area of the display area.
  • an intermediate portion of the display area overlaps with the driving area.
  • the organic light emitting diode device further includes a data driving circuit and a scan driving circuit disposed in a first bezel region of the organic light emitting diode device, and a phototransistor device disposed in the organic light emitting diode device a power driving trace of the second bezel area, a data driving trace, and a scan driving trace; the second bezel area overlapping at least one side of the display area.
  • the first frame region overlaps at least one side of the display region.
  • the OLED device further includes a package for encapsulating the OLED device, the package being disposed at a package region of the OLED device, the package The area is located outside of the first bezel area.
  • the organic light emitting unit includes:
  • a plurality of organic emission layers are disposed between the anode and the cathode.
  • the organic light emitting diode device further includes:
  • a power cord for providing a power signal
  • the driving circuit unit includes:
  • a driving transistor for driving the corresponding organic light emitting unit
  • a switching transistor for controlling a switch of the driving transistor
  • the control end of the switching transistor is sequentially connected to the scan driving circuit through the scan line and the scan driving trace, and the input end of the switching transistor sequentially drives the trace and the data through the data line and the data
  • the data driving circuit is connected, the output end of the switching transistor is connected to the control end of the driving transistor, and the input end of the driving transistor is sequentially connected to the external current source through the power line and the power driving trace.
  • An output end of the driving transistor is connected to the organic light emitting unit through the metal connection layer.
  • the metal connection layer and the output end of the driving transistor are located in the same metal layer.
  • the metal connection layer and the output end of the driving transistor are located in different metal layers.
  • the display area of the organic light emitting diode device and the corresponding display device of the present invention is larger than the driving area, so that the frame area of the organic light emitting diode device can be overlapped with the display area. Therefore, the narrow frame of the organic light emitting diode device can be easily realized, and the technical problems of the conventional organic light emitting diode device and the corresponding display device which are difficult to realize the narrow bezel design are solved.
  • 1A is a schematic structural view of a conventional organic light emitting diode device
  • FIG. 1B is a schematic enlarged view of a portion A of FIG. 1A;
  • Figure 1C is a cross-sectional view taken in the direction indicated by B-B' of Figure 1B;
  • FIG. 2A is a schematic structural view of a first preferred embodiment of an organic light emitting diode device of the present invention
  • FIG. 2B is a schematic enlarged view of a portion C of FIG. 2A;
  • Figure 2C is a cross-sectional view taken in the direction indicated by D-D' of Figure 2B;
  • 2D is a schematic exploded view showing a first preferred embodiment of the organic light emitting diode device of the present invention
  • FIG. 3 is a schematic structural view of a second preferred embodiment of the organic light emitting diode device of the present invention.
  • a drive circuit unit 22.
  • FIG. 2A is a schematic structural view of a first preferred embodiment of the organic light emitting diode device of the present invention
  • FIG. 2B is a schematic enlarged view of a portion C of FIG. 2A
  • FIG. 2C is a D- according to FIG. A cross-sectional view in the direction indicated by D'
  • FIG. 2D is a schematic exploded view of the first preferred embodiment of the organic light emitting diode device of the present invention.
  • the organic light emitting diode device includes a plurality of pixels 20, each of which includes an organic light emitting unit 21 and a driving circuit unit 22 corresponding thereto.
  • the organic light emitting unit 21 is for emitting light of a corresponding color;
  • the driving circuit unit 22 is for driving the corresponding organic light emitting unit 21; and
  • the organic light emitting unit 21 is connected to the corresponding driving circuit unit 22 through the metal connecting layer 23.
  • the OLED device further includes a data line 24, a scan line 25, a power line 26, a data driving trace 31, a scan driving trace 32, a power driving trace 33, a data driving circuit 34, a scan driving circuit 35, and a package. (not shown in the figure).
  • the scanning lines 25 extend parallel to each other in the X direction in FIG. 2A
  • the data lines 24 and the power supply lines 26 extend parallel to each other in the Y direction in FIG. 2A
  • the plurality of scanning lines 25 and the plurality of data lines 24 are in the X direction and Interlaced in the Y direction.
  • the driving circuit unit 22 of the pixel 20 includes a driving transistor 221 and a switching transistor 222.
  • the driving transistor 221 is for driving the corresponding organic light emitting unit 21, and the switching transistor 222 is for controlling the switching of the corresponding driving transistor 221.
  • the control terminal (such as the gate) of the switching transistor 222 is sequentially connected to the scan driving circuit 35 through the scan line 25 and the scan driving trace 32.
  • the input terminal (such as the source) of the switching transistor 222 sequentially passes through the data line 24 and the data driving trace.
  • the power driving trace 33 is connected to an external current source, and an output terminal (such as a drain) of the driving transistor 221 is connected to the organic light emitting unit 21 through the metal connection layer 23.
  • the organic light emitting unit 21 includes an anode 211, a cathode 212, and a plurality of organic emission layers 213 disposed between the anode 211 and the cathode 212.
  • the anode 211 is connected to the output terminal of the driving transistor 221 through the metal connection layer 23;
  • the cathode 212 is connected to the common voltage supplied from the outside;
  • the plurality of organic emission layers 213 are illuminated by electron-hole coupling, and the current from the output terminal of the driving transistor 221
  • the size determines the intensity of the light emitted by the organic emission layer 213.
  • the organic light emitting unit 21 of the present invention is disposed in the display region 41 of the organic light emitting diode device, and the driving circuit unit 22 is disposed in the driving region 42 of the organic light emitting diode device, the power driving trace 33, and the data driving trace 31.
  • the scan driving trace 32 is disposed in the second frame region 43 of the organic light emitting diode device, and the data driving circuit 34 and the scan driving circuit 35 are disposed in the first frame region 44 of the organic light emitting diode device for final packaging of the organic light emitting diode device.
  • the package is disposed in a package region 45 of the organic light emitting diode device.
  • the display area 41 is no longer completely overlapped with the driving area 42, and the driving circuit unit 22 having no influence on the light emission adopts a densely arranged design, and then the organic light emitting unit 21 and the corresponding driving are performed through the metal connecting layer 23.
  • the circuit unit 22 is connected such that the area of the driving area 42 is smaller than the area of the display area 41 while the entire area of the driving area 42 overlaps with a partial area of the display area 41.
  • the intermediate portion of the display region 41 overlaps with the driving region 42, and the second frame region 43 outside the driving region 42 overlaps with at least one side of the display region 41 (in FIG. 2A, the second frame region 43 and the four sides of the display region 41)
  • the first frame region 44 outside the second frame region 43 is also located outside the display region 41
  • the package region 45 is located outside the first frame region 44.
  • the second frame region 43 in which the power driving trace 33, the data driving trace 31, and the scan driving trace 32 are disposed may overlap with the display region 41, thereby
  • the above-described traces may not be disposed on the bezel of the organic light emitting diode device, making it easier to implement a narrow bezel design of the organic light emitting diode device.
  • the metal connection layer 23 can be located in the same metal layer as the output end of the driving transistor 221 (that is, the metal connection layer 23 is directly formed when the driving transistor 221 is fabricated), which is convenient to manufacture and low in manufacturing cost. It is also possible to be located in a different metal layer from the output end of the driving transistor 221 (ie, a metal connection layer 23 is additionally formed for connecting the organic light emitting unit 21 and the driving circuit unit 22), so that the connection of the metal connecting layer 23 is more reliable, and the driving circuit unit 22 The driver is also more stable.
  • FIG. 3 is a schematic structural view of a second preferred embodiment of the organic light emitting diode device of the present invention.
  • the preferred embodiment differs from the first preferred embodiment in that the data driving circuit 34 and the scanning driving circuit 35 disposed in the first frame region 44 of the organic light emitting diode device are formed on the glass substrate by deposition, such that the data driving circuit 34 and the scan driving circuit 35 may also be designed to overlap with the organic light emitting unit 21 without being separately provided in the bezel.
  • the first frame region 44 outside the second frame region 43 also overlaps with at least one side of the display region 41 (in FIG. 3, the first frame region 44 overlaps with the four sides of the display region 41), further optimizing the organic light emitting diode The narrow bezel design of the device.
  • the present invention also relates to a display device that performs image display using the above-described organic light emitting diode device.
  • the specific method of using the display device of the present invention is the same as or similar to that described in the specific embodiment of the above-described organic light emitting diode device. Please refer to the specific embodiment of the above organic light emitting diode device.
  • the display area of the organic light emitting diode device and the corresponding display device of the present invention is larger than the driving area, so that the frame area of the organic light emitting diode device can overlap with the display area, thereby facilitating realization of the narrow border of the organic light emitting diode device, and solving the existing It is difficult to realize the technical problem of the narrow bezel design of the organic light emitting diode device and the corresponding display device.

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Abstract

一种有机发光二极管器件及相应的显示装置，该有机发光二极管器件包括多个像素（20），每个像素（20）包括有机发光单元（21）以及驱动电路单元（22），有机发光单元（21）设置在显示区域（41），驱动电路单元（21）设置在驱动区域（42），驱动区域（42）与显示区域（41）重叠，且驱动区域（42）的面积小于显示区域（41）的面积，该有机发光二极管器件及相应的显示装置较易实现有机发光二极管器件的窄边框。

Description

有机发光二极管器件及相应的显示装置 技术领域
本发明涉及有机电致发光领域，特别是涉及一种可实现窄边框的有机发光二极管器件及相应的显示装置。
 背景技术
液晶显示装置（LCD，liquid crystal display）在没有外界光的情况下，显示效果非常完美。但是当存在外界光时（如太阳光）,显示效果就会变得很差。因此，针对液晶显示装置的这个问题，开发了一种有机发光二极管（OLED，organic light emitting diodes）显示器件，如图1A-1C所示，图1A为现有的有机发光二极管器件的结构示意图，图1B为图1A的A部分的放大结构示意图，图1C为按图1B的B-B’所示方向的截面图。其中该有机发光二极管器件包括多个像素10，每个像素10均包括有机发光单元11和驱动电路单元12。该有机发光单元11包括阳极111、阴极112以及设置在阳极111和阴极112之间的多个有机发射层113。驱动电路单元12用于驱动相应的有机发光单元11。该有机发光二极管器件工作时，阳极111的空穴与阴极112的电子在有机发射层113内复合，从而形成电子-空穴的激励子，当激励子返回基态时，就会释放出能量进而发出光线。
从图1A中可见，有机发光二极管器件包括有三个区域，分别为显示区域13、驱动区域（与显示区域完全重合，图中未示出）、边框区域14以及封装区域15。有机发光二极管器件的所有有机发光单元11所占区域（显示区域13）与所有驱动电路单元12所占区域（驱动区域）完全相同，因此有机发光二极管的其他走线或电路（例如扫描驱动走线以及扫描驱动电路等）必须设置在显示区域13外，这里称为边框区域14。由于边框区域14的存在，导致有机发光二极管器件很难实现窄边框设计。
故，有必要提供一种有机发光二极管器件及相应的显示装置，以解决现有技术所存在的问题。
 技术问题
本发明的目的在于提供一种显示区域大于驱动区域的有机发光二极管器件及相应的显示装置，使得有机发光二极管器件的边框区域可与显示区域重叠设计，从而较易实现有机发光二极管器件的窄边框。解决了现有的有机发光二极管器件及相应的显示装置的很难实现窄边框设计的技术问题。
 技术解决方案
本发明涉及一种有机发光二极管器件，其包括多个像素，每个像素包括：
有机发光单元，用于发出相应颜色的光线；以及
与所述有机发光单元对应的驱动电路单元，用于驱动相应的所述有机发光单元；
所述有机发光单元通过金属连接层与相应的驱动电路单元连接，所述有机发光单元设置在所述有机发光二极管器件的显示区域，所述驱动电路单元设置在所述有机发光二极管器件的驱动区域，所述驱动区域与所述显示区域重叠，且所述驱动区域的面积小于所述显示区域的面积；
所述显示区域的中间部分与所述驱动区域重叠；
所述有机发光二极管器件还包括设置在所述有机发光二极管器件的第一边框区域的数据驱动电路以及扫描驱动电路，和设置在所述有机发光二极管器件的第二边框区域的电源驱动走线，数据驱动走线以及扫描驱动走线；所述第二边框区域与所述显示区域的至少一侧重叠。
本发明还涉及一种有机发光二极管器件，其包括多个像素，每个像素包括：
有机发光单元，用于发出相应颜色的光线；以及
与所述有机发光单元对应的驱动电路单元，用于驱动相应的所述有机发光单元；
所述有机发光单元通过金属连接层与相应的驱动电路单元连接，所述有机发光单元设置在所述有机发光二极管器件的显示区域，所述驱动电路单元设置在所述有机发光二极管器件的驱动区域，所述驱动区域与所述显示区域重叠，且所述驱动区域的面积小于所述显示区域的面积。
在本发明所述的有机发光二极管器件中，所述显示区域的中间部分与所述驱动区域重叠。
在本发明所述的有机发光二极管器件中，所述有机发光二极管器件还包括设置在所述有机发光二极管器件的第一边框区域的数据驱动电路以及扫描驱动电路，和设置在所述有机发光二极管器件的第二边框区域的电源驱动走线，数据驱动走线以及扫描驱动走线；所述第二边框区域与所述显示区域的至少一侧重叠。
在本发明所述的有机发光二极管器件中，如所述数据驱动电路以及所述扫描驱动电路采用沉积的方式在玻璃基板上制作，则所述第一边框区域与所述显示区域的至少一侧重叠。
在本发明所述的有机发光二极管器件中，所述有机发光二极管器件还包括用于封装所述有机发光二极管器件的封装体，所述封装体设置在所述有机发光二极管器件的封装区域，所述封装区域位于所述第一边框区域的外侧。
在本发明所述的有机发光二极管器件中，所述有机发光单元包括：
阳极；
阴极；以及
多个有机发射层，设置在所述阳极和所述阴极之间。
在本发明所述的有机发光二极管器件中，所述有机发光二极管器件还包括：
扫描线，用于提供扫描信号；
数据线，用于提供数据信号；以及
电源线，用于提供电源信号；
所述驱动电路单元包括：
驱动晶体管，用于驱动相应的所述有机发光单元；以及
开关晶体管，用于控制所述驱动晶体管的开关；
所述开关晶体管的控制端依次通过所述扫描线、所述扫描驱动走线与所述扫描驱动电路连接，所述开关晶体管的输入端依次通过所述数据线、所述数据驱动走线与所述数据驱动电路连接，所述开关晶体管的输出端与所述驱动晶体管的控制端连接，所述驱动晶体管的输入端依次通过所述电源线、所述电源驱动走线与外接电流源连接，所述驱动晶体管的输出端通过所述金属连接层与所述有机发光单元连接。
在本发明所述的有机发光二极管器件中，所述金属连接层与所述驱动晶体管的输出端位于相同的金属层。
在本发明所述的有机发光二极管器件中，所述金属连接层与所述驱动晶体管的输出端位于不同的金属层。
本发明还涉及一种显示装置，其包括有机发光二极管器件，包括：
多个像素，每个像素包括：
有机发光单元，用于发出相应颜色的光线；以及
与所述有机发光单元对应的驱动电路单元，用于驱动相应的所述有机发光单元；
所述有机发光单元通过金属连接层与相应的驱动电路单元连接，所述有机发光单元设置在所述有机发光二极管器件的显示区域，所述驱动电路单元设置在所述有机发光二极管器件的驱动区域，所述驱动区域与所述显示区域重叠，且所述驱动区域的面积小于所述显示区域的面积。
在本发明所述的显示装置中，所述显示区域的中间部分与所述驱动区域重叠。
在本发明所述的显示装置中，所述有机发光二极管器件还包括设置在所述有机发光二极管器件的第一边框区域的数据驱动电路以及扫描驱动电路，和设置在所述有机发光二极管器件的第二边框区域的电源驱动走线，数据驱动走线以及扫描驱动走线；所述第二边框区域与所述显示区域的至少一侧重叠。
在本发明所述的显示装置中，如所述数据驱动电路以及所述扫描驱动电路采用沉积的方式在玻璃基板上制作，则所述第一边框区域与所述显示区域的至少一侧重叠。
在本发明所述的显示装置中，所述有机发光二极管器件还包括用于封装所述有机发光二极管器件的封装体，所述封装体设置在所述有机发光二极管器件的封装区域，所述封装区域位于所述第一边框区域的外侧。
在本发明所述的显示装置中，所述有机发光单元包括：
阳极；
阴极；以及
多个有机发射层，设置在所述阳极和所述阴极之间。
在本发明所述的显示装置中，所述有机发光二极管器件还包括：
扫描线，用于提供扫描信号；
数据线，用于提供数据信号；以及
电源线，用于提供电源信号；
所述驱动电路单元包括：
驱动晶体管，用于驱动相应的所述有机发光单元；以及
开关晶体管，用于控制所述驱动晶体管的开关；
所述开关晶体管的控制端依次通过所述扫描线、所述扫描驱动走线与所述扫描驱动电路连接，所述开关晶体管的输入端依次通过所述数据线、所述数据驱动走线与所述数据驱动电路连接，所述开关晶体管的输出端与所述驱动晶体管的控制端连接，所述驱动晶体管的输入端依次通过所述电源线、所述电源驱动走线与外接电流源连接，所述驱动晶体管的输出端通过所述金属连接层与所述有机发光单元连接。
在本发明所述的显示装置中，所述金属连接层与所述驱动晶体管的输出端位于相同的金属层。
在本发明所述的显示装置中，所述金属连接层与所述驱动晶体管的输出端位于不同的金属层。
 有益效果
相较于现有的有机发光二极管器件及相应的显示装置，本发明的有机发光二极管器件及相应的显示装置的显示区域大于驱动区域，使得有机发光二极管器件的边框区域可与显示区域重叠设计，从而较易实现有机发光二极管器件的窄边框，解决了现有的有机发光二极管器件及相应的显示装置的很难实现窄边框设计的技术问题。
 附图说明
图1A为现有的有机发光二极管器件的结构示意图；
图1B为图1A的A部分的放大结构示意图；
图1C为按图1B的B-B’所示方向的截面图；
图2A为本发明的有机发光二极管器件的第一优选实施例的结构示意图；
图2B为图2A的C部分的放大结构示意图；
图2C为按图2B的D-D’所示方向的截面图；
图2D为本发明的有机发光二极管器件的第一优选实施例的分解结构示意图；
图3为本发明的有机发光二极管器件的第二优选实施例的结构示意图；
其中，附图标记说明如下：
20、像素；
21、有机发光单元；
211、阳极；
212、阴极；
213、有机发射层；
22、驱动电路单元；
221、驱动晶体管；
222、开关晶体管；
23、金属连接层；
24、数据线；
25、扫描线；
26、电源线；
31、数据驱动走线；
32、扫描驱动走线；
33、电源驱动走线；
34、数据驱动电路；
35、扫描驱动电路；
41、显示区域；
42、驱动区域；
43、第二边框区域；
44、第一边框区域；
45、封装区域。
 本发明的最佳实施方式
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。
在图中，结构相似的单元是以相同标号表示。
请参照图2A至图2D，图2A为本发明的有机发光二极管器件的第一优选实施例的结构示意图；图2B为图2A的C部分的放大结构示意图；图2C为按图2B的D-D’所示方向的截面图；图2D为本发明的有机发光二极管器件的第一优选实施例的分解结构示意图。
该有机发光二极管器件包括多个像素20，每个像素20均包括有机发光单元21以及与其对应的驱动电路单元22。有机发光单元21用于发出相应颜色的光线；驱动电路单元22用于驱动相应的有机发光单元21；有机发光单元21通过金属连接层23与相应的驱动电路单元22连接。该有机发光二极管器件还包括数据线24、扫描线25、电源线26、数据驱动走线31、扫描驱动走线32、电源驱动走线33、数据驱动电路34、扫描驱动电路35、以及封装体（图中未示出）。
其中扫描线25在图2A中X方向上彼此平行延伸，数据线24和电源线26在图2A中的Y方向上彼此平行延伸，因此多条扫描线25和多条数据线24在X方向和Y方向上相互交错。
像素20的驱动电路单元22包括驱动晶体管221以及开关晶体管222。该驱动晶体管221用于驱动相应的有机发光单元21，开关晶体管222用于控制相应的驱动晶体管221的开关。开关晶体管222的控制端（如栅极）依次通过扫描线25、扫描驱动走线32与扫描驱动电路35连接，开关晶体管222的输入端（如源极）依次通过数据线24、数据驱动走线31与数据驱动电路34连接，开关晶体管222的输出端（如漏极）与驱动晶体管221的控制端（如栅极）连接，驱动晶体管221的输入端（如源极）依次通过电源线26、电源驱动走线33与外接电流源连接，驱动晶体管221的输出端（如漏极）通过金属连接层23与有机发光单元21连接。
有机发光单元21包括阳极211、阴极212以及设置在阳极211和阴极212之间的多个有机发射层213。其中阳极211通过金属连接层23与驱动晶体管221的输出端连接；阴极212连接到由外部提供的共电压；多个有机发射层213通过电子-空穴耦合发光，由驱动晶体管221的输出端的电流大小确定有机发射层213发射的光的强度。
如图2A所示，本发明的有机发光单元21设置在有机发光二极管器件的显示区域41，驱动电路单元22设置在有机发光二极管器件的驱动区域42，电源驱动走线33、数据驱动走线31以及扫描驱动走线32设置在有机发光二极管器件的第二边框区域43，数据驱动电路34以及扫描驱动电路35设置在有机发光二极管器件的第一边框区域44，而用于最终封装有机发光二极管器件的封装体设置在有机发光二极管器件的封装区域45。
在本优选实施例中，显示区域41不再与驱动区域42完全重叠，对出光无影响的驱动电路单元22采用了密集排列的设计，然后通过金属连接层23将有机发光单元21与相应的驱动电路单元22连接，这样使得驱动区域42的面积小于显示区域41的面积，同时驱动区域42的全部区域与显示区域41的部分区域重叠。这里优选显示区域41的中间部分与驱动区域42重叠，驱动区域42外侧的第二边框区域43与显示区域41的至少一侧重叠（图2A中，第二边框区域43与显示区域41的四侧同时重叠），第二边框区域43外侧的第一边框区域44同时也位于显示区域41的外侧，封装区域45位于第一边框区域44的外侧。
通过上述驱动电路单元22的密集排列以及金属连接层23的设计，使得设置电源驱动走线33、数据驱动走线31以及扫描驱动走线32的第二边框区域43可以与显示区域41重叠，从而可以不在有机发光二极管器件的边框上设置上述的走线，使得较易实现有机发光二极管器件的窄边框设计。
本优选实施例中金属连接层23可以与驱动晶体管221的输出端位于相同的金属层（即在制作驱动晶体管221时直接制作该金属连接层23），这样制作方便且制作成本较低。也可与驱动晶体管221的输出端位于不同的金属层（即另外制作金属连接层23用于连接有机发光单元21与驱动电路单元22），这样金属连接层23的连接更加可靠，驱动电路单元22的驱动也更加稳定。
如图3所示，图3为本发明的有机发光二极管器件的第二优选实施例的结构示意图。本优选实施例与第一优选实施例的区别在于，设置在有机发光二极管器件的第一边框区域44的数据驱动电路34以及扫描驱动电路35采用沉积的方式在玻璃基板上制作，这样数据驱动电路34以及扫描驱动电路35也可以与有机发光单元21的重叠设计，而不必单独设置在边框中。这样第二边框区域43外侧的第一边框区域44也与显示区域41的至少一侧重叠（图3中，第一边框区域44与显示区域41的四侧同时重叠），进一步优化了有机发光二极管器件的窄边框设计。
本发明还涉及一种显示装置，该显示装置使用上述的有机发光二极管器件进行图像显示。本发明的显示装置的具体使用方法与上述的有机发光二极管器件的具体实施例中描述的相同或相似，请参照上述有机发光二极管器件的具体实施例。
本发明的有机发光二极管器件及相应的显示装置的显示区域大于驱动区域，使得有机发光二极管器件的边框区域可与显示区域重叠，从而较易实现有机发光二极管器件的窄边框，解决了现有的有机发光二极管器件及相应的显示装置的很难实现窄边框设计的技术问题。
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。
 本发明的实施方式
工业实用性
序列表自由内容

Claims (19)

  1. 一种有机发光二极管器件，其包括：
    多个像素，每个像素包括：
    有机发光单元，用于发出相应颜色的光线；以及
    与所述有机发光单元对应的驱动电路单元，用于驱动相应的所述有机发光单元；
    所述有机发光单元通过金属连接层与相应的驱动电路单元连接，所述有机发光单元设置在所述有机发光二极管器件的显示区域，所述驱动电路单元设置在所述有机发光二极管器件的驱动区域，所述驱动区域与所述显示区域重叠，且所述驱动区域的面积小于所述显示区域的面积；
    所述显示区域的中间部分与所述驱动区域重叠；
    所述有机发光二极管器件还包括设置在所述有机发光二极管器件的第一边框区域的数据驱动电路以及扫描驱动电路，和设置在所述有机发光二极管器件的第二边框区域的电源驱动走线，数据驱动走线以及扫描驱动走线；所述第二边框区域与所述显示区域的至少一侧重叠。
  2. 一种有机发光二极管器件，其包括：
    多个像素，每个像素包括：
    有机发光单元，用于发出相应颜色的光线；以及
    与所述有机发光单元对应的驱动电路单元，用于驱动相应的所述有机发光单元；
    所述有机发光单元通过金属连接层与相应的驱动电路单元连接，所述有机发光单元设置在所述有机发光二极管器件的显示区域，所述驱动电路单元设置在所述有机发光二极管器件的驱动区域，所述驱动区域与所述显示区域重叠，且所述驱动区域的面积小于所述显示区域的面积。
  3. 根据权利要求2所述的有机发光二极管器件，其中所述显示区域的中间部分与所述驱动区域重叠。
  4. 根据权利要求2所述的有机发光二极管器件，其中所述有机发光二极管器件还包括设置在所述有机发光二极管器件的第一边框区域的数据驱动电路以及扫描驱动电路，和设置在所述有机发光二极管器件的第二边框区域的电源驱动走线，数据驱动走线以及扫描驱动走线；所述第二边框区域与所述显示区域的至少一侧重叠。
  5. 根据权利要求4所述的有机发光二极管器件，其中如所述数据驱动电路以及所述扫描驱动电路采用沉积的方式在玻璃基板上制作，则所述第一边框区域与所述显示区域的至少一侧重叠。
  6. 根据权利要求4所述的有机发光二极管器件，其中所述有机发光二极管器件还包括用于封装所述有机发光二极管器件的封装体，所述封装体设置在所述有机发光二极管器件的封装区域，所述封装区域位于所述第一边框区域的外侧。
  7. 根据权利要求2所述的有机发光二极管器件，其中所述有机发光单元包括：
    阳极；
    阴极；以及
    多个有机发射层，设置在所述阳极和所述阴极之间。
  8. 根据权利要求4所述的有机发光二极管器件，其中所述有机发光二极管器件还包括：
    扫描线，用于提供扫描信号；
    数据线，用于提供数据信号；以及
    电源线，用于提供电源信号；
    所述驱动电路单元包括：
    驱动晶体管，用于驱动相应的所述有机发光单元；以及
    开关晶体管，用于控制所述驱动晶体管的开关；
    所述开关晶体管的控制端依次通过所述扫描线、所述扫描驱动走线与所述扫描驱动电路连接，所述开关晶体管的输入端依次通过所述数据线、所述数据驱动走线与所述数据驱动电路连接，所述开关晶体管的输出端与所述驱动晶体管的控制端连接，所述驱动晶体管的输入端依次通过所述电源线、所述电源驱动走线与外接电流源连接，所述驱动晶体管的输出端通过所述金属连接层与所述有机发光单元连接。
  9. 根据权利要求8所述的有机发光二极管器件，其中所述金属连接层与所述驱动晶体管的输出端位于相同的金属层。
  10. 根据权利要求8所述的有机发光二极管器件，其中所述金属连接层与所述驱动晶体管的输出端位于不同的金属层。
  11. 一种显示装置，其包括有机发光二极管器件，包括：
    多个像素，每个像素包括：
    有机发光单元，用于发出相应颜色的光线；以及
    与所述有机发光单元对应的驱动电路单元，用于驱动相应的所述有机发光单元；
    所述有机发光单元通过金属连接层与相应的驱动电路单元连接，所述有机发光单元设置在所述有机发光二极管器件的显示区域，所述驱动电路单元设置在所述有机发光二极管器件的驱动区域，所述驱动区域与所述显示区域重叠，且所述驱动区域的面积小于所述显示区域的面积。
  12. 根据权利要求11所述的显示装置，其中所述显示区域的中间部分与所述驱动区域重叠。
  13. 根据权利要求11所述的显示装置，其中所述有机发光二极管器件还包括设置在所述有机发光二极管器件的第一边框区域的数据驱动电路以及扫描驱动电路，和设置在所述有机发光二极管器件的第二边框区域的电源驱动走线，数据驱动走线以及扫描驱动走线；所述第二边框区域与所述显示区域的至少一侧重叠。
  14. 根据权利要求13所述的显示装置，其中如所述数据驱动电路以及所述扫描驱动电路采用沉积的方式在玻璃基板上制作，则所述第一边框区域与所述显示区域的至少一侧重叠。
  15. 根据权利要求13所述的显示装置，其中所述有机发光二极管器件还包括用于封装所述有机发光二极管器件的封装体，所述封装体设置在所述有机发光二极管器件的封装区域，所述封装区域位于所述第一边框区域的外侧。
  16. 根据权利要求11所述的显示装置，其中所述有机发光单元包括：
    阳极；
    阴极；以及
    多个有机发射层，设置在所述阳极和所述阴极之间。
  17. 根据权利要求13所述的显示装置，其中所述有机发光二极管器件还包括：
    扫描线，用于提供扫描信号；
    数据线，用于提供数据信号；以及
    电源线，用于提供电源信号；
    所述驱动电路单元包括：
    驱动晶体管，用于驱动相应的所述有机发光单元；以及
    开关晶体管，用于控制所述驱动晶体管的开关；
    所述开关晶体管的控制端依次通过所述扫描线、所述扫描驱动走线与所述扫描驱动电路连接，所述开关晶体管的输入端依次通过所述数据线、所述数据驱动走线与所述数据驱动电路连接，所述开关晶体管的输出端与所述驱动晶体管的控制端连接，所述驱动晶体管的输入端依次通过所述电源线、所述电源驱动走线与外接电流源连接，所述驱动晶体管的输出端通过所述金属连接层与所述有机发光单元连接。
  18. 根据权利要求17所述的显示装置，其中所述金属连接层与所述驱动晶体管的输出端位于相同的金属层。
  19. 根据权利要求17所述的显示装置，其中所述金属连接层与所述驱动晶体管的输出端位于不同的金属层。
PCT/CN2012/083093 2012-10-12 2012-10-17 有机发光二极管器件及相应的显示装置 WO2014056241A1 (zh)

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