US20110267327A1 - Organic light emitting display - Google Patents

Organic light emitting display Download PDF

Info

Publication number
US20110267327A1
US20110267327A1 US12/953,343 US95334310A US2011267327A1 US 20110267327 A1 US20110267327 A1 US 20110267327A1 US 95334310 A US95334310 A US 95334310A US 2011267327 A1 US2011267327 A1 US 2011267327A1
Authority
US
United States
Prior art keywords
pixel
power source
light emitting
organic light
pixels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/953,343
Other languages
English (en)
Inventor
Young-In Hwang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Display Co Ltd
Original Assignee
Samsung Mobile Display Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Mobile Display Co Ltd filed Critical Samsung Mobile Display Co Ltd
Assigned to SAMSUNG MOBILE DISPLAY CO., LTD. reassignment SAMSUNG MOBILE DISPLAY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, YOUNG-IN
Publication of US20110267327A1 publication Critical patent/US20110267327A1/en
Assigned to SAMSUNG DISPLAY CO., LTD. reassignment SAMSUNG DISPLAY CO., LTD. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: SAMSUNG MOBILE DISPLAY CO., LTD.
Priority to US15/253,395 priority Critical patent/US10290259B2/en
Priority to US16/372,285 priority patent/US10510300B2/en
Priority to US16/714,523 priority patent/US11238798B2/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • 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
    • G09G3/3258—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 voltage across the light-emitting element
    • 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
    • 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
    • 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
    • H10K59/122—Pixel-defining structures or layers, e.g. banks
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0465—Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • 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
    • H10K59/1315—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels

Definitions

  • An embodiment of the present invention relates to an organic light emitting display.
  • FPDs flat panel displays
  • CRTs cathode ray tubes
  • the FPDs include liquid crystal displays (LCDs), field emission displays (FEDs), plasma display panels (PDPs), and organic light emitting displays.
  • the organic light emitting display displays an image using organic light emitting diodes (OLEDs) that generate light by the recombination of electrons and holes.
  • OLEDs organic light emitting diodes
  • the organic light emitting displays are being widely applied in personal digital assistants (PDAs), MP3 players, and mobile telephones due to advantages such as excellent color reproducibility and reduced thickness.
  • PDAs personal digital assistants
  • MP3 players MP3 players
  • mobile telephones due to advantages such as excellent color reproducibility and reduced thickness.
  • FIG. 1 is a circuit diagram illustrating a pixel of an organic light emitting display.
  • the pixel is coupled to a data line Dm, a scan line Sn, and a pixel power source line coupled to a pixel power source ELVDD and includes a first transistor M 1 , a second transistor M 2 , a capacitor Cst, and an organic light emitting diode OLED.
  • a source is coupled to the pixel power source line ELVDD, a drain is coupled to the OLED, and a gate is coupled to a first node N 1 .
  • a source is coupled to the data line Dm, a drain is coupled to the first node N 1 , and a gate is coupled to the scan line Sn.
  • the capacitor Cst is coupled between the first node N 1 and the pixel power source ELVDD to maintain a voltage between the first node N 1 and the pixel power source ELVDD for an amount of time (e.g., a predetermined time).
  • the OLED includes an anode electrode, a cathode electrode, and a light emitting layer.
  • the anode electrode is coupled to the drain of the first transistor M 1 and the cathode electrode is coupled to a low potential power source ELVSS, so that when current flows from the anode electrode to the cathode electrode, the light emitting layer emits light, and brightness is controlled corresponding to the amount of current.
  • I d , Vgs, Vth, ELVdd, Vdata, and ⁇ represent current that flows to the OLED, a voltage between the gate and source of the first transistor, a threshold voltage of the first transistor, a voltage of the pixel power source, a voltage of the data signal, and a constant, respectively.
  • a magnitude of internal resistance of the pixel power source line to which the pixel power source ELVDD is coupled varies with a distance of the pixel from the pixel power source ELVDD, a difference in brightness between pixels may be generated.
  • embodiments of the present invention have been made to provide an organic light emitting display capable of reducing variations in power transmitted to pixels to reduce or prevent non-uniformity of pixel brightness.
  • an organic light emitting display including a pixel including a red sub pixel, a green sub pixel, and a blue sub pixel and first pixel power source lines for supplying a first pixel power from a first pixel power source to the red sub pixel, the green sub pixel, and the blue sub pixel, wherein the first pixel power source lines coupled to at least two different color sub pixels of the red, green and blue sub pixels have different widths.
  • the widths of the first pixel power source lines may correspond to a voltage drop of the first pixel power source.
  • the widths of the first pixel power source lines may correspond to deterioration of the respective sub pixels to which they are coupled.
  • the first pixel power source lines coupled to the blue sub pixels may have a largest width among the first pixel power source lines.
  • the organic light emitting display may further include a data driver for transmitting data signals to the pixel and a scan driver for transmitting scan signals to the pixel.
  • the first pixel power source lines coupled to the green sub pixels may have a smallest width among the first pixel power source lines.
  • the first pixel power source lines may include a first main pixel power source line electrically coupled to a first sub pixel power source line.
  • variation in the power transmitted to pixels is reduced to reduce or prevent non-uniformity of pixel brightness.
  • a change in an aperture ratio is reduced, making it possible to reduce or prevent brightness deterioration.
  • FIG. 1 is a circuit diagram illustrating a pixel of an organic light emitting display
  • FIG. 2 is a schematic diagram illustrating an organic light emitting display according to an embodiment of the present invention.
  • FIG. 3A is a graph illustrating the current error ratios of a red sub pixel, a green sub pixel, and a blue sub pixel, which are caused by the internal resistance of first pixel power source lines;
  • FIG. 3B is a graph illustrating the voltage drops of the red sub pixel, the green sub pixel, and the blue sub pixel, which are caused by the internal resistance of the first pixel power source lines;
  • FIG. 4 is a layout diagram illustrating the pixel of the embodiment shown in FIG. 2 .
  • FIG. 2 is a schematic diagram illustrating an organic light emitting display according to an embodiment of the present invention.
  • FIG. 3A is a graph illustrating current error ratios of a red sub pixel, a green sub pixel, and a blue sub pixel, which are caused by internal resistance of first pixel power source lines.
  • FIG. 3B is a graph illustrating voltage drops of the red sub pixel, the green sub pixel, and the blue sub pixel, which are caused by the internal resistance of the first pixel power source lines.
  • the organic light emitting display includes a display unit 100 , a data driver 200 , and a scan driver 300 .
  • the display unit 100 includes a plurality of data lines D 1 , D 2 , . . . , Dm- 1 , and Dm, a plurality of scan lines Si, S 2 , . . . , Sn- 1 , and Sn, and a plurality of pixels 101 formed in regions defined by the plurality of data lines D 1 , D 2 , . . . , Dm- 1 , and Dm and the n scan lines S 1 , S 2 , Sn- 1 , and Sn.
  • each of the pixels 101 receives power from a first pixel power source ELVDD and a second pixel power source ELVSS to be driven.
  • the power from the first pixel power source ELVDD is received (e.g., commonly received) through a plurality of first pixel power source lines and the power from the second pixel power source ELVSS is received (e.g., commonly received) through an electrode deposited on the front surface of the display unit.
  • Each pixel 101 includes a red sub pixel, a green sub pixel, and a blue sub pixel.
  • each of the sub pixels includes a pixel circuit and an organic light emitting diode (OLED), and generates pixel current that flows from the pixel circuit to the pixel corresponding to data signals transmitted through the plurality of data lines D 1 , D 2 , . . . , Dm- 1 , and Dm and scan signals transmitted through the plurality of scan lines S 1 , S 2 , . . . , Sn- 1 , and Sn, so that the pixel current flows to the OLED.
  • OLED organic light emitting diode
  • the current error ratios and the voltage drops of a red sub pixel, a green sub pixel, and a blue sub pixel, which are caused by the internal resistance of the first pixel power source lines being different from each other are shown.
  • the current error ratio of the blue sub pixel is 7%
  • the current error ratio of the red sub pixel is 4.9%
  • the current error ratio of the green sub pixel is 4.4%.
  • the voltage drop of the green sub pixel is 94 mV
  • the voltage drop of the red sub pixel is 47 mV
  • the voltage drop of the green sub pixel is 35 mV.
  • the current error ratio and voltage drop of the blue sub pixel are larger than the current error ratios and voltage drops of the red sub pixel and the green sub pixel. Therefore, the non-uniformity of brightness of the blue sub pixel is larger than the non-uniformity of brightness of the other two sub pixels.
  • a width of the first pixel power source lines may be increased to reduce the current error ratios and voltage drops of the first pixel power source lines. However, when the width of the first pixel power source lines is increased as if all of the first pixel power source lines are coupled to blue sub pixels, the widths of the first pixel power source lines coupled to red sub pixels and green sub pixels are unnecessarily large, and an aperture ratio is reduced.
  • widths of the first pixel power source lines of the sub pixels vary. That is, the thicknesses (or widths) of the first pixel power source lines coupled to the red sub pixel, the green sub pixel, and the blue sub pixel vary (e.g., are independently set) so that the width of the first pixel power source line coupled to the red sub pixel is determined in accordance with the voltage drop and current error ratio of the red sub pixel, and the width of the first pixel power source line coupled to the green sub pixel is determined in accordance with the voltage drop and current error ratio of the green sub pixel.
  • the width of the first pixel power source line coupled to the blue sub pixel is determined in accordance with the voltage drop and current error ratio of the blue sub pixel.
  • the data driver 200 is coupled to the m data lines D 1 , D 2 , . . . , Dm- 1 , and Dm and generates data signals to sequentially transmit the data signals row-by-row to the m data lines D 1 , D 2 , . . . , Dm- 1 , and Dm (e.g., to the data lines one row at a time).
  • the scan driver 300 is coupled to the n scan lines S 1 , S 2 , . . . , Sn- 1 , and Sn and generates scan signals to transmit the scan signals to the n scan lines S 1 , S 2 , . . . , Sn- 1 , and Sn.
  • a specific row e.g., a specific scan line
  • the data signals are transmitted to the pixels 101 positioned in the selected row so that currents corresponding to the data signals are generated in the pixels.
  • FIG. 4 is a layout diagram illustrating the pixel of the embodiment shown in FIG. 2 .
  • the pixel includes a red sub pixel 120 R, a green sub pixel 120 G, and a blue sub pixel 120 B.
  • Each of the red sub pixel 120 R, the green sub pixel 120 G, and the blue sub pixel 120 B includes a transistor Tr and a storage capacitor Cst.
  • the red sub pixel 120 R, the green sub pixel 120 G, and the blue sub pixel 120 B are coupled to the scan line Sn and the data line Dm, and are coupled to first pixel power source lines, e.g., a first pixel power source line ELVDDR for supplying the first pixel power source ELVDD to the red sub pixel 120 R, a first pixel power source line ELVDDG for supplying the first pixel power source ELVDD to the green sub pixel 120 G, and a first pixel power source line ELVDDB for supplying the first pixel power source ELVDD to the blue sub pixel 120 B.
  • a first pixel power source line ELVDDR for supplying the first pixel power source ELVDD to the red sub pixel 120 R
  • a first pixel power source line ELVDDG for supplying the first pixel power
  • the width of the first pixel power source lines is determined in accordance with the voltage drops and current error ratios of the respective sub pixels to which the first pixel power source lines are coupled, the sum of the widths of all of the first pixel power source lines is smaller than if the width of all of the first pixel power source lines were determined in accordance with only the sub pixel whose efficiency is lowest.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Geometry (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)
US12/953,343 2010-04-29 2010-11-23 Organic light emitting display Abandoned US20110267327A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US15/253,395 US10290259B2 (en) 2010-04-29 2016-08-31 Organic light emitting display
US16/372,285 US10510300B2 (en) 2010-04-29 2019-04-01 Organic light emitting display
US16/714,523 US11238798B2 (en) 2010-04-29 2019-12-13 Organic light emitting display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100040043A KR101209948B1 (ko) 2010-04-29 2010-04-29 유기전계발광표시장치
KR10-2010-0040043 2010-05-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/253,395 Continuation US10290259B2 (en) 2010-04-29 2016-08-31 Organic light emitting display

Publications (1)

Publication Number Publication Date
US20110267327A1 true US20110267327A1 (en) 2011-11-03

Family

ID=44857893

Family Applications (4)

Application Number Title Priority Date Filing Date
US12/953,343 Abandoned US20110267327A1 (en) 2010-04-29 2010-11-23 Organic light emitting display
US15/253,395 Active US10290259B2 (en) 2010-04-29 2016-08-31 Organic light emitting display
US16/372,285 Active US10510300B2 (en) 2010-04-29 2019-04-01 Organic light emitting display
US16/714,523 Active US11238798B2 (en) 2010-04-29 2019-12-13 Organic light emitting display

Family Applications After (3)

Application Number Title Priority Date Filing Date
US15/253,395 Active US10290259B2 (en) 2010-04-29 2016-08-31 Organic light emitting display
US16/372,285 Active US10510300B2 (en) 2010-04-29 2019-04-01 Organic light emitting display
US16/714,523 Active US11238798B2 (en) 2010-04-29 2019-12-13 Organic light emitting display

Country Status (2)

Country Link
US (4) US20110267327A1 (ko)
KR (1) KR101209948B1 (ko)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120056904A1 (en) * 2010-09-07 2012-03-08 Lhee Zail Organic light emitting diode display
US20140320385A1 (en) * 2013-04-24 2014-10-30 Samsung Display Co., Ltd. Organic light emitting diode display
US20140354520A1 (en) * 2013-05-31 2014-12-04 Japan Display Inc. Organic el display device
US20150029235A1 (en) * 2013-07-26 2015-01-29 Japan Display Inc. Light-emitting element display device
US20150332648A1 (en) * 2014-05-13 2015-11-19 Au Optronics Corporation Pixel structure, pixel array, and display panel
WO2015182043A1 (en) * 2014-05-27 2015-12-03 Sony Corporation Display device and electronic apparatus
US9293516B2 (en) 2013-12-27 2016-03-22 Samsung Display Co., Ltd. Display device
US10672325B2 (en) * 2016-11-30 2020-06-02 Samsung Display Co., Ltd. Light emitting display device
US11545076B2 (en) * 2020-07-06 2023-01-03 Japan Display Inc. Display device having a reset line for supplying a reset signal

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101173360B1 (ko) * 2010-05-11 2012-08-10 오티스 엘리베이터 컴파니 엘리베이터의 카도어 닫힘방지장치
US9257665B2 (en) * 2012-09-14 2016-02-09 Universal Display Corporation Lifetime OLED display
US10061156B2 (en) * 2014-09-12 2018-08-28 Sharp Kabushiki Kaisha Display device
KR102491625B1 (ko) * 2015-12-30 2023-01-25 엘지디스플레이 주식회사 표시 패널과 이를 포함하는 표시 장치 및 표시 장치의 구동 방법
KR102637501B1 (ko) * 2016-12-22 2024-02-15 엘지디스플레이 주식회사 표시 장치
CN110634441A (zh) * 2019-08-28 2019-12-31 武汉华星光电半导体显示技术有限公司 Oled显示面板
KR20220078778A (ko) 2020-12-03 2022-06-13 삼성디스플레이 주식회사 발광 표시 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050093802A1 (en) * 2000-08-10 2005-05-05 Semiconductor Energy Laboratory Co., Ltd. Display device and electronic device
US7592982B2 (en) * 2004-04-29 2009-09-22 Samsung Mobile Display Co., Ltd. Light emitting panel and light emitting display

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002026905A2 (en) * 2000-09-26 2002-04-04 Matsushita Electric Industrial Co., Ltd. Display unit and drive system thereof and an information display unit
KR20010000907A (ko) 2000-10-26 2001-01-05 박석환 분산 처리 시스템을 이용한 행운권 운영 방법
JP4656870B2 (ja) * 2004-06-25 2011-03-23 株式会社半導体エネルギー研究所 半導体表示装置及び電子機器
KR100696691B1 (ko) 2005-04-13 2007-03-20 삼성에스디아이 주식회사 유기 발광 표시 장치
KR100810632B1 (ko) 2005-04-29 2008-03-06 삼성에스디아이 주식회사 유기 전계 발광 표시 장치
JP5036223B2 (ja) * 2005-06-20 2012-09-26 三洋電機株式会社 エレクトロルミネッセンス表示装置
JP2007220598A (ja) * 2006-02-20 2007-08-30 Hitachi Displays Ltd 有機ｅｌ表示装置
JP2010526332A (ja) * 2007-04-24 2010-07-29 エルジー・ケム・リミテッド 有機発光表示装置およびその駆動方法
KR20080101679A (ko) * 2007-05-18 2008-11-21 소니 가부시끼 가이샤 표시 장치, 영상 신호 처리 방법, 및 프로그램
JP5009058B2 (ja) 2007-06-11 2012-08-22 オリンパスメディカルシステムズ株式会社 被検体情報分析装置
KR100885966B1 (ko) * 2007-07-27 2009-02-26 삼성에스디아이 주식회사 유기 발광 표시 장치 및 그 구동 방법
KR20090078633A (ko) 2008-01-15 2009-07-20 엘지디스플레이 주식회사 유기전계발광표시장치
GB2462646B (en) * 2008-08-15 2011-05-11 Cambridge Display Tech Ltd Active matrix displays
JP5164825B2 (ja) * 2008-12-19 2013-03-21 キヤノン株式会社 有機発光素子
TWI404447B (zh) * 2009-12-28 2013-08-01 Au Optronics Corp 電激發光顯示面板之畫素結構
TWI424563B (zh) * 2010-06-03 2014-01-21 Au Optronics Corp 電激發光顯示面板及其畫素結構

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050093802A1 (en) * 2000-08-10 2005-05-05 Semiconductor Energy Laboratory Co., Ltd. Display device and electronic device
US7592982B2 (en) * 2004-04-29 2009-09-22 Samsung Mobile Display Co., Ltd. Light emitting panel and light emitting display

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9489889B2 (en) * 2010-09-07 2016-11-08 Samsung Display Co., Ltd. Organic light emitting diode display
US8970456B2 (en) * 2010-09-07 2015-03-03 Samsung Display Co., Ltd. Organic light emitting diode display
US20150170567A1 (en) * 2010-09-07 2015-06-18 Samsung Display Co., Ltd. Organic light emitting diode display
US20120056904A1 (en) * 2010-09-07 2012-03-08 Lhee Zail Organic light emitting diode display
US20140320385A1 (en) * 2013-04-24 2014-10-30 Samsung Display Co., Ltd. Organic light emitting diode display
US9721499B2 (en) * 2013-04-24 2017-08-01 Samsung Display Co., Ltd. Organic light emitting diode display including driving voltage line
US20140354520A1 (en) * 2013-05-31 2014-12-04 Japan Display Inc. Organic el display device
US9524669B2 (en) * 2013-07-26 2016-12-20 Japan Display Inc. Light-emitting element display device
US20150029235A1 (en) * 2013-07-26 2015-01-29 Japan Display Inc. Light-emitting element display device
US9293516B2 (en) 2013-12-27 2016-03-22 Samsung Display Co., Ltd. Display device
US20150332648A1 (en) * 2014-05-13 2015-11-19 Au Optronics Corporation Pixel structure, pixel array, and display panel
US9740055B2 (en) * 2014-05-13 2017-08-22 Au Optronics Corporation Pixel structure, pixel array, and display panel
WO2015182043A1 (en) * 2014-05-27 2015-12-03 Sony Corporation Display device and electronic apparatus
US10380939B2 (en) 2014-05-27 2019-08-13 Sony Corporation Display device and electronic apparatus
US10580359B2 (en) 2014-05-27 2020-03-03 Sony Corporation Display device and electronic apparatus
US11335257B2 (en) 2014-05-27 2022-05-17 Sony Group Corporation Display device and electronic apparatus
US11810507B2 (en) 2014-05-27 2023-11-07 Sony Group Corporation Display device and electronic apparatus
US10672325B2 (en) * 2016-11-30 2020-06-02 Samsung Display Co., Ltd. Light emitting display device
US11545076B2 (en) * 2020-07-06 2023-01-03 Japan Display Inc. Display device having a reset line for supplying a reset signal
JP7451328B2 (ja) 2020-07-06 2024-03-18 株式会社ジャパンディスプレイ 表示装置

Also Published As

Publication number Publication date
US20200118493A1 (en) 2020-04-16
US10290259B2 (en) 2019-05-14
US20160372045A1 (en) 2016-12-22
KR20110120570A (ko) 2011-11-04
KR101209948B1 (ko) 2012-12-07
US11238798B2 (en) 2022-02-01
US10510300B2 (en) 2019-12-17
US20190228710A1 (en) 2019-07-25

Similar Documents

Publication Publication Date Title
US11238798B2 (en) Organic light emitting display
US8994709B2 (en) Organic light emitting display and method of manufacturing the same
US9013374B2 (en) Pixel and organic light emitting display using the same
US9449547B2 (en) Organic light emitting display
US7773054B2 (en) Organic light emitting diode display
US20110267319A1 (en) Pixel and organic light emitting display using the same
US7535447B2 (en) Pixel circuit and organic light emitting display
JP4396848B2 (ja) 発光表示装置
US7557784B2 (en) OLED pixel circuit and light emitting display using the same
US7864140B2 (en) Light-emitting display
US8976088B2 (en) Pixel and organic light emitting display device using the same
US8362983B2 (en) Organic light emitting display and manufacturing method thereof
US7180486B2 (en) Organic light emitting display
US8575628B2 (en) Organic light emitting display
US20100188391A1 (en) Organic light emitting display device and method of manufacturing the same
US7518579B2 (en) Light emitting panel and light emitting display
US20070152923A1 (en) Light emitting display and method of driving thereof
KR20200064230A (ko) 유기 발광 표시 장치
US20100013824A1 (en) Organic light emitting display and method of driving the same
US20080074363A1 (en) Pixel circuit and display apparatus
US20110025670A1 (en) Organic Light Emitting Display and Method of Driving the Same
US7397450B2 (en) Image display and display panel thereof
US8581896B2 (en) Power supply for receiving different input voltages and organic light emitting display device using the same
CN117594015A (zh) 像素电路及其驱动方法、显示面板

Legal Events

Date Code Title Description
AS Assignment

Owner name: SAMSUNG MOBILE DISPLAY CO., LTD., KOREA, REPUBLIC

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HWANG, YOUNG-IN;REEL/FRAME:025473/0218

Effective date: 20101117

AS Assignment

Owner name: SAMSUNG DISPLAY CO., LTD., KOREA, REPUBLIC OF

Free format text: MERGER;ASSIGNOR:SAMSUNG MOBILE DISPLAY CO., LTD.;REEL/FRAME:028884/0128

Effective date: 20120702

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION