WO2015192586A1 - Circuit de pixel et dispositif d'affichage - Google Patents

Circuit de pixel et dispositif d'affichage Download PDF

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Publication number
WO2015192586A1
WO2015192586A1 PCT/CN2014/090613 CN2014090613W WO2015192586A1 WO 2015192586 A1 WO2015192586 A1 WO 2015192586A1 CN 2014090613 W CN2014090613 W CN 2014090613W WO 2015192586 A1 WO2015192586 A1 WO 2015192586A1
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Prior art keywords
unit
switching unit
control
signal line
pixel circuit
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PCT/CN2014/090613
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English (en)
Chinese (zh)
Inventor
杨盛际
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京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Publication of WO2015192586A1 publication Critical patent/WO2015192586A1/fr

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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]
    • 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
    • G09G3/3233—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 with pixel circuitry controlling the current through the light-emitting element

Definitions

  • the present disclosure relates to a pixel circuit and a display device.
  • OLED Organic light-emitting display
  • LCD liquid crystal
  • PDA PDA
  • digital cameras Pixel driver circuit design is the core technology content of OLED display, which has important research significance.
  • OLEDs are current-driven and require a constant current to control illumination.
  • the threshold voltage of the driving TFT of each pixel has unevenness, which leads to the flow of each The current of the pixel OLED changes to make the display brightness uneven, thereby affecting the display effect of the entire image.
  • a pixel circuit generally corresponds to one pixel, and each pixel circuit includes at least one data voltage line, one working voltage line and a plurality of scanning signal lines, which leads to a complicated manufacturing process and does not Conducive to reducing the pixel pitch.
  • the present disclosure can solve the problem of display brightness unevenness of the display device, and reduce the number of signal lines for the pixel circuit in the display device, reduce the cost of the integrated circuit, and increase the pixel density of the display device.
  • a pixel circuit including two sub-pixel circuits; each of the sub-pixel circuits includes: a first switching unit, a second switching unit, a third switching unit, a fourth switching unit, and a fifth switching unit a driving unit, an energy storage unit, and an electroluminescent unit; and, the first end of the first switching unit is connected to the working voltage line, and the second end of the first switching unit is connected to the input end of the driving unit for the first switching unit
  • the operating voltage is supplied to the driving unit under the control of the scanning signal line connected to the control terminal; the second end of the first switching unit is further connected to the first end of the energy storage unit, The working voltage line is charged to the first end of the energy storage unit under the control of the scanning signal line connected to the control terminal; the first end of the second switching unit is connected to the second end of the energy storage unit, and the second switch
  • the second end of the unit is grounded for zeroing the voltage of the second end of the energy storage unit under the control of the scanning signal line connected to the
  • the fourth scan signal line and the third scan signal line are the same scan signal line, and the fourth switch unit of the second sub-pixel circuit is different from the channel type of the fifth switch unit.
  • the fourth scan signal line and the third scan signal line are different scan signal lines, and the channel types of the respective switch units and the drive unit are the same.
  • each of the switching units and each of the driving units are thin film field effect transistors, and the control terminals of the respective switching units are gates of the thin film field effect transistors, and the first ends of the respective switching units are the sources of the thin film field effect transistors.
  • the second end of each switching unit is a drain of a thin film field effect transistor, and the control end of each driving unit is a gate of a thin film field effect transistor, and the input end of each driving unit is a source of a thin film field effect transistor, and each driving unit is The output is the drain of the thin film field effect transistor.
  • the energy storage unit is a capacitor.
  • the electroluminescent unit is an organic light emitting diode.
  • the present disclosure also provides a display device comprising the pixel circuit of any of the above.
  • the two sub-pixel circuits of the pixel circuit are respectively located in two adjacent images. Suin.
  • the two adjacent pixels are respectively located on opposite sides of the data voltage line.
  • the two adjacent pixels are on the same side of the data voltage line.
  • the operating current flowing through the electroluminescent unit can be unaffected by the threshold voltage of the corresponding driving transistor, and the problem of uneven display brightness due to the threshold voltage drift of the driving transistor is completely solved.
  • a compensation circuit is used to complete the driving of two pixels, and two adjacent pixels share a plurality of signal lines, which can reduce the number of signal lines for the pixel circuit in the display device, reduce the cost of the integrated circuit, and reduce Pixel spacing to increase pixel density.
  • FIG. 1 is a schematic structural diagram of a pixel circuit according to Embodiment 1 of the present disclosure
  • FIG. 2 is a timing diagram of key signals in a pixel circuit according to Embodiment 1 of the present disclosure
  • 3(a)-3(d) are schematic diagrams showing current flow directions and voltage values of pixel circuits in different timings according to Embodiment 1 of the present disclosure
  • FIG. 4 is a schematic structural diagram of a pixel circuit according to Embodiment 2 of the present disclosure.
  • FIG. 5 is a timing diagram of key signals in a pixel circuit according to Embodiment 2 of the present disclosure.
  • FIG. 6 is a schematic diagram of a positional relationship between a pixel circuit and a pixel in a display device according to an embodiment of the present disclosure
  • FIG. 7 is a schematic diagram of another positional relationship between a pixel circuit and a pixel in a display device according to an embodiment of the present disclosure.
  • Embodiment 1 of the present disclosure provides a pixel circuit, as shown in FIG. 1 or FIGS. 3(a) to 3(d), including: two sub-pixel circuits P1 and P2, where each sub-pixel circuit corresponds to one pixel.
  • Each pixel sub-circuit, for example P1 comprises: five switching units T1, T2, T3, T4, T5, a driving unit DT, an energy storage unit C, and an electroluminescent unit L (for ease of distinction, in Figure 1 or image 3 (a) - In Fig.
  • the five switching units in P2 are denoted as T1', T2', T3', T4', T5', the drive unit is denoted as DT', and the energy storage unit is C', The electroluminescent unit is L', the same below).
  • the control end of T1 is connected to the first scan signal line Em, the first end of T1 is connected to the working voltage line V dd , and the second end of T1 is connected to the input end of DT for scanning accessed at the control end of T1
  • the operating voltage is supplied to the driving unit DT under the control of the signal line, and the second end of the T1 is further connected to the first end a1 of the energy storage unit C for working under the control of the scanning signal line connected to the control end of the T1.
  • the voltage line V dd charges the first end a1 of the energy storage unit C; the control end of T2, T3 is connected to the second scan signal line Scan[1]; the first end of T2 is connected to the second end b1 end of C (for C', the first end is the a2 end shown in the figure, the second end is the b2 end shown in the figure), the second end of T2 is grounded, and the scanning signal line is connected at the control end of T2 Under the control, the voltage of the second end of the energy storage unit C is set to zero; the first end of T3 is connected to the output end of the DT, and the second end of the T3 is grounded, and the scanning signal line is connected to the control end of the T3.
  • a first terminal T4 is connected to the data line voltage V data
  • the second terminal T4 is connected to the control terminal D1 terminal DT (for DT ', which D2 as shown in FIG end system), under control of control for the access terminal T4 of the scanning signal line connected to the control terminal D1 to the data driving unit voltage line V data
  • a control terminal T5 is connected to the The three scanning signal line Scan[2], the first end is connected to the control terminal D1 of the DT (for the DT', the control end is the D2 end shown in the figure), and the second end is connected to the b1 end of the C, for
  • the voltage of the control terminal D1 of the driving unit DT is set to the voltage of the second terminal b1 of the energy storage unit C under the control of the scanning signal line connected to the control terminal of T5; the input end of the DT is also connected with the first end a1 of C
  • the terminals are connected and the output is also connected to L.
  • the control terminal of T4 in P1 is connected to Scan[1], and the control terminal of T4' in P2 is connected to Scan[2]; and the channel type of T4 of P1 is different from T5, and the channel type of T4' of P2 is T5' different.
  • the control terminals are connected to a plurality of switching units of the same scanning signal line (for example, connected to Em)
  • Two switching units T1 and T1' are connected to two switching units T2, T3, T2', T3' and T4 of Scan[1], and two switching units T5 and T5' connected to Scan[2] shall be
  • the switches of the same channel type that is, the high level conduction or the low level conduction, ensure that the two switching units connected to the same scanning signal line are turned on or off in the same state.
  • the operating current flowing through the electroluminescent unit can be unaffected by the threshold voltage of the corresponding driving transistor, completely solving the threshold voltage drift of the driving transistor.
  • the shift causes a problem of uneven brightness.
  • a compensation circuit is used to complete the driving of two pixels, the number of compensated TFT devices is reduced, and one data voltage line is reduced, thereby reducing the number of signal lines, thereby greatly reducing the pixel pitch size. And reduce IC costs, resulting in higher pixel density.
  • each of the switching units and each of the driving units are thin film field effect transistors (TFTs), and the control terminals of the respective switching units are gates, and the first ends of the respective switching units are the sources of the thin film field effect transistors, and the respective switching units are The second end is the drain of the field effect transistor, the input end of each driving unit is the source of the field effect transistor, the control end of each driving unit is the gate of the field effect transistor, and the output end of each driving unit is the field effect transistor Drain.
  • TFTs thin film field effect transistors
  • the switching unit and the driving unit can also be other suitable devices or device combinations.
  • the transistors corresponding to the driving unit and the switching unit herein may be transistors in which the source and the drain are interchangeable, or the first end of each of the switching units and the driving unit may be the drain of the transistor according to the type of conduction.
  • the second end is the source of the transistor, and those skilled in the art can obtain the reverse connection of the source and the drain of each transistor in the pixel circuit provided by the present disclosure without any creative labor, and can obtain the information provided by the present disclosure.
  • the circuit structures of the same or similar technical effects that can be achieved by the technical solutions should also fall within the protection scope of the present disclosure.
  • the energy storage unit C is a capacitor.
  • other components with energy storage functions can be used according to design requirements.
  • the electroluminescent unit L can be an organic light emitting diode (OLED).
  • OLED organic light emitting diode
  • other components having electroluminescence function can also be used according to design requirements.
  • the pixel circuit provided by the present disclosure is input to each working.
  • the timing chart of the scan signal in the scan signal line can be divided into four stages, which are respectively shown in FIG. 2 as the reset stage W1, the first discharge stage W2, the second discharge stage W3, and the illumination stage W4, in each stage,
  • the current flow direction and voltage values of the pixel circuit are as shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), and Fig. 3 (d), respectively.
  • T5 and T5' are N-channel TFTs
  • other TFTs are P-channel TFTs.
  • V data V 1
  • V 1 is a voltage corresponding to the organic light emitting diode L.
  • the b1 end of the capacitor C and the b2 end of the C' are both grounded, the potential is 0, the D1 end of the DT and the D2 end of the DT' They are all connected to V data and the potential is V1.
  • Em In the first discharge phase W2, as shown in FIG. 2, in the scanning signal line, Em is at a high level, and Scan[1] and Scan[2] are at a low level, at which time T1, T1', T5, T5' are off.
  • the other TFTs are turned on, and the current flows as shown by Lb1 and Lb2 in Fig. 3(b), C is discharged along Lb1, and C' is discharged along Lb2.
  • the potential at the a1 terminal is lowered to V 1 + V th1 .
  • the potential at the a2 terminal falls to V 1 +V th2 , where V th1 and V th2 are the threshold voltages of DT and DT', respectively.
  • Em in the scan signal line, Em is at a high level, and other scan signal lines are at a low level, at which time T1, T1', T5, T5', DT, DT' are turned on, The other TFTs are turned off.
  • the a1 and a2 terminals are connected to V dd , and the b1 and b2 terminals are floating. At this time, an isobaric jump occurs.
  • the D1 point potential is V dd -V 1 -V th1
  • the D2 point potential is V dd .
  • V dd supplies current to L and L' along Ld1 and Ld2 in Fig. 3(d), causing L and L' to emit light.
  • the operating current flowing through the two electroluminescent units at this time can be unaffected by the threshold voltage of the driving transistor, and is only related to the data voltage V data at this time.
  • the problem that the threshold voltage (V th ) of the driving TFT drifts due to the process process and long-time operation is completely solved, the influence of the current flowing through the electroluminescent unit is eliminated, and the normal operation of the electroluminescent unit is ensured.
  • two pixels share the same data voltage line, the working voltage line, and only three scanning signal lines, which greatly reduces the number of corresponding signal lines, reduces the cost of the integrated circuit, and reduces the pixel pitch. Increase pixel density.
  • the pixel circuit provided in the second embodiment of the present disclosure is different from the pixel circuit provided in the first embodiment in that the control terminal of T4' in P2 is connected to the fourth scan signal Scan[3] (see FIG. 4), where Scan[3] Different from Scan[2] above, the channel type of T4' of P2 and the channel type of T5 and T5' can be The same, can also be different.
  • the technical solution provided by the present disclosure can be realized by making the conduction state of T4' opposite to the conduction state of T5 and T5' on the basis of the embodiment of the first embodiment, and the principle thereof will not be described in detail herein.
  • the channel types of the various switching units and DTs are the same. This can ensure that the process of each switch unit and DT is consistent, reducing the difficulty of production.
  • each of the switching units and DT are P-channel type TFTs.
  • the timing chart of each signal input by the pixel circuit during operation can be as shown in FIG. 5.
  • the signals of Scan[2] are reversed, and at the same time, in order to make the conduction state of T4' and T5 and T5' The conduction state is reversed, so that the fourth scan signal Scan[3] which is inverted from the signal of Scan[2] in this embodiment is added, and the working principle is similar to that of the first embodiment, and details are not described herein again.
  • the present disclosure also provides a display device including the pixel circuit shown in any of the above.
  • two sub-pixel circuits of the pixel circuit are respectively located in two adjacent pixels. This enables the distribution of components on the corresponding substrate to be more uniform.
  • the two adjacent pixels are located on the same side of their data voltage lines, and FIG. 6 shows that two adjacent pixels corresponding to one pixel circuit PU are on the side of their corresponding data voltage lines V data . Case; or, the two adjacent pixels are respectively located on both sides of the data voltage line thereof, and FIG. 7 shows two adjacent pixels corresponding to one of the pixel circuits PU on both sides of the corresponding data voltage line V data Case.
  • the display device can be any product or component having display function such as electronic paper, mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigator, and the like.

Abstract

La présente invention concerne un circuit de pixel et un dispositif d'affichage, le circuit de pixel comprenant deux circuits de sous-pixel (P1, P2), chaque circuit de sous-pixel (P1, P2) comprenant cinq unités de commutation (T1, T2, T3, T4, T5, T1', T2', T3', T4', T5'), un transistor d'attaque (DT, DT'), une unité de stockage d'énergie (C, C') et une unité électroluminescente (L, L'). Les deux circuits de sous-pixel (P1, P2) partagent une même ligne de tension de données (Vdata) et partagent une pluralité de lignes de signaux de balayage (Em, Scan[1]). Dans le circuit de pixel, un courant de fonctionnement circulant à travers les unités électroluminescentes (L, L') n'est pas affecté par la tension de seuil des transistors d'attaque correspondants (DT, DT'), résolvant le problème de luminosité irrégulière d'affichage provoqué par le glissement de la tension de seuil des transistors d'attaque (DT, DT'). En outre, un circuit de compensation est utilisé pour compléter l'attaque des deux circuits de sous-pixel (P1, P2) et les deux circuits de sous-pixel adjacents (P1, P2) partagent une pluralité de lignes de signaux, réduisant le nombre de lignes de signaux utilisées pour des circuits de pixel dans un dispositif d'affichage, réduisant les coûts de circuit intégré, réduisant le pas de pixel et augmentant la densité de pixels.
PCT/CN2014/090613 2014-06-18 2014-11-07 Circuit de pixel et dispositif d'affichage WO2015192586A1 (fr)

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CN201410274108.XA CN104078003B (zh) 2014-06-18 2014-06-18 像素电路和显示装置

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078003B (zh) * 2014-06-18 2016-08-31 京东方科技集团股份有限公司 像素电路和显示装置
CN106486063A (zh) * 2016-10-26 2017-03-08 京东方科技集团股份有限公司 像素驱动电路及其驱动方法、显示面板和显示装置
CN108806612B (zh) * 2018-06-13 2020-01-10 京东方科技集团股份有限公司 像素电路及其驱动方法、显示装置
CN109920377B (zh) * 2018-06-14 2020-10-16 友达光电股份有限公司 像素电路及其驱动方法
CN115240585B (zh) * 2022-06-27 2023-07-18 惠科股份有限公司 显示驱动电路及显示装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060031546A (ko) * 2004-10-08 2006-04-12 삼성에스디아이 주식회사 발광 표시장치
CN1779765A (zh) * 2004-11-22 2006-05-31 三星Sdi株式会社 发光显示器
JP2009204664A (ja) * 2008-02-26 2009-09-10 Sony Corp 表示装置、表示装置の駆動方法および電子機器
CN102779834A (zh) * 2012-05-22 2012-11-14 友达光电股份有限公司 有机发光显示单元结构与有机发光显示单元电路
CN103021331A (zh) * 2012-11-30 2013-04-03 北京京东方光电科技有限公司 一种像素驱动电路及其驱动方法、阵列基板和显示装置
CN103474024A (zh) * 2013-09-06 2013-12-25 京东方科技集团股份有限公司 一种像素电路及显示器
CN104078003A (zh) * 2014-06-18 2014-10-01 京东方科技集团股份有限公司 像素电路和显示装置
CN203982749U (zh) * 2014-06-18 2014-12-03 京东方科技集团股份有限公司 像素电路和显示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3520396B2 (ja) * 1997-07-02 2004-04-19 セイコーエプソン株式会社 アクティブマトリクス基板と表示装置
KR101209289B1 (ko) * 2005-04-07 2012-12-10 삼성디스플레이 주식회사 표시 패널과, 이를 구비한 표시 장치 및 구동 방법
CN100435199C (zh) * 2006-11-03 2008-11-19 友达光电股份有限公司 有机发光显示器及其相关的像素电路
CN101958102B (zh) * 2010-09-15 2013-01-09 昆山工研院新型平板显示技术中心有限公司 一种具有共数据线结构的有源矩阵有机发光显示器
CN102832229B (zh) * 2012-08-31 2014-12-10 京东方科技集团股份有限公司 发光器件的像素电路及驱动方法和显示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060031546A (ko) * 2004-10-08 2006-04-12 삼성에스디아이 주식회사 발광 표시장치
CN1779765A (zh) * 2004-11-22 2006-05-31 三星Sdi株式会社 发光显示器
JP2009204664A (ja) * 2008-02-26 2009-09-10 Sony Corp 表示装置、表示装置の駆動方法および電子機器
CN102779834A (zh) * 2012-05-22 2012-11-14 友达光电股份有限公司 有机发光显示单元结构与有机发光显示单元电路
CN103021331A (zh) * 2012-11-30 2013-04-03 北京京东方光电科技有限公司 一种像素驱动电路及其驱动方法、阵列基板和显示装置
CN103474024A (zh) * 2013-09-06 2013-12-25 京东方科技集团股份有限公司 一种像素电路及显示器
CN104078003A (zh) * 2014-06-18 2014-10-01 京东方科技集团股份有限公司 像素电路和显示装置
CN203982749U (zh) * 2014-06-18 2014-12-03 京东方科技集团股份有限公司 像素电路和显示装置

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