IP Library Patent Application 13178326
Patent Application
App. No. 13/178,326

DISPLAY DEVICE

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Patent No.
US None
App. No.
13/178,326
Abstract

A display device is disclosed. The pixels of the display are formed so that a chromaticity range of the red organic emission layer satisfies an NTSC standard if λpr=3.93557E−03 Wr 2 +1.07200E−01 Wr+6.10199E+02 and λpr=610 nm, a chromaticity range of the green organic emission layer satisfies the NTSC standard if 3.33879E−03 Wg 2 +3.03246E−02 Wg+5.18496E+02≦λpg≦−5.09468E−03 Wg 2 +4.45905E−02 Wg+5.37887E+02, 515 nm≦λpg≦540 nm, and Wg<50 nm, a chromaticity range of the blue organic emission layer satisfies the NTSC standard if −2.59294E−03 Wb 2 +2.59334E−02 Wb+4.64771E+02≦λpb≦−5.24375E−03 Wb 2 +9.70218E−02 Wb+4.71672E+02, 450 nm≦λpb≦480 nm, and Wb<70 nm, and at least one of the red organic emission layer, the green organic emission layer, and the blue organic emission layer satisfies the NTSC standard.

Claims (58)

1 . A display device, comprising:

a substrate;

a plurality of first electrodes formed on the substrate;

a plurality of organic emission layers, each formed on one of the first electrodes, wherein the organic emission layers are each configured to emit light of one of red, green, and blue colors; and

a plurality of second electrodes, each formed on one of the organic emission layers,

wherein a chromaticity range of the red organic emission layer satisfies an NTSC standard if λpr=3.93557E−03 Wr 2 +1.07200E−01 Wr+6.10199E+02 and λpr=610 nm,

wherein a chromaticity range of the green organic emission layer satisfies the NTSC standard if 3.33879E−03 Wg 2 +3.03246E−02 Wg+5.18496E+02≦λpg≦−5.09468E−03 Wg 2 +4.45905E−02 Wg+5.37887E+02, 515 nm≦λpg≦540 nm, and Wg<50 nm,

wherein a chromaticity range of the blue organic emission layer satisfies the NTSC standard if −2.59294E−03 Wb 2 +2.59334E−02 Wb+4.64771E+02≦λpb≦−5.24375E−03 Wb 2 +9.70218E−02 Wb+4.71672E+02, 450 nm≦λpb≦480 nm, and Wb<70 nm,

wherein λpr is a peak wavelength of an emission spectrum of the red organic emission layers, Wr is a spectrum width of the red organic emission layers, λpg is a peak wavelength of an emission spectrum of the green organic emission layer, Wg is a spectrum width of the green organic emission layers, λpb is a peak wavelength of an emission spectrum of the blue organic emission layers, and Wb is a spectrum width of the blue organic emission layers, and

wherein at least one of the red organic emission layer, the green organic emission layer, and the blue organic emission layer satisfies the NTSC standard.

2 . The display device of claim 1 , wherein:

luminous efficiency (N) is represented by:

N= 2.00825 E− 04 Wr 3 −3.22298 E− 02 Wr 2 −3.20433 E− 01 Wr+ 2.17611 E+ 02.

3 . The display device of claim 1 , wherein:

luminous efficiency (N) is represented by:

N= 1.67474 E− 03 Wg 2 +6.63925 E− 01 Wg+ 3.51841 E+ 02= N=− 3.76770 E− 02 Wg 2 +9.27327 E− 02 Wg+ 4.71869 E+ 02.

4 . The display device of claim 1 , wherein:

luminous efficiency (N) is represented by:

−1.81418 E− 05 Wb 3 +7.22825 E− 03 Wb 2 −5.25447 E− 02 Wb+ 4.30597 E+ 01 =N=− 1.24710 E− 04 Wb 3 +1.13588 E− 02 Wb 2 −9.99978 E− 02 Wb+ 5.79470 E+ 01.

5 . A display device, comprising:

a substrate;

a plurality of first electrodes formed on the substrate;

a plurality of organic emission layers, each formed on one of the first electrodes, wherein the organic emission layers are each configured to emit light of one of red, green, and blue colors; and

a plurality of second electrodes, each formed on one of the organic emission layers,

wherein a chromaticity range of the red organic emission layer satisfies an NTSC standard if λpr=3.93557E−03 Wr 2 +1.07200E−01 Wr+6.10199E+02 and λpr=610 nm,

wherein a chromaticity range of the green organic emission layer satisfies the NTSC standard if 3.33879E−03 Wg 2 +3.03246E−02 Wg+5.18496E+02≦λpg≦−5.09468E−03 Wg 2 +4.45905E−02 Wg+5.37887E+02, 515 nm≦λpg≦540 nm, and Wg<50 nm,

wherein a chromaticity range of the blue organic emission layer satisfies the NTSC standard and the sRGB standard if −2.59294E−03 Wb 2 +2.59334E−02 Wb+4.64771E+02≦λpb≦−6.83799E−05 Wb 3 +5.65420E−04 Wb 2 −8.40121E−02 Wb+4.68232E+02, 460 nm≦λpb≦470 nm, and Wb<40 nm,

wherein λpr is a peak wavelength of an emission spectrum of the red organic emission layers, Wr is a spectrum width of the red organic emission layers, λpg is a peak wavelength of an emission spectrum of the green organic emission layer, Wg is a spectrum width of the green organic emission layers, λpb is a peak wavelength of an emission spectrum of the blue organic emission layers, and Wb is a spectrum width of the blue organic emission layers, and

wherein at least one of the red organic emission layer, the green organic emission layer, and the blue organic emission layer satisfies the NTSC standard or the NTSC standard and an sRGB standard.

6 . A display device, comprising:

a substrate;

a plurality of first electrodes formed on the substrate;

a plurality of organic emission layers, each formed on one of the first electrodes, and

a plurality of second electrodes, each formed on one of the organic emission layers,

wherein a chromaticity range of the red organic emission layer satisfies an sRGB standard if λpr=3.72604E−03 Wr 2 +8.35845E−01 Wr+6.07097E+02 and λpr=605 nm,

wherein a chromaticity range of the green organic emission layer satisfies the sRGB standard if 2.75023E−03 Wg 2 +9.61132E−03 Wg+5.14566E+02≦λpg≦−3.05147E−03 Wg 2 +4.10247E−03 Wg+5.52619E+02, 510 nm≦λpg≦555 nm, and Wg<80 nm,

wherein a chromaticity range of the blue organic emission layer satisfies the sRGB standard if −3.68126E−05 Wb 3 −1.81334E−03 Wb 2 −2.99417E−03 Wb+4.61104E+02≦λpb≦−6.83799E−05 Wb 3 +5.65420E−04 Wb 2 −8.40121E−02 Wb+4.68232E+02, 430 nm≦pb≦470 nm, and Wb<80 nm,

wherein λpr is a peak wavelength of an emission spectrum of the red organic emission layers, Wr is a spectrum width of the red organic emission layers, λpg is a peak wavelength of an emission spectrum of the green organic emission layer, Wg is a spectrum width of the green organic emission layers, λpb is a peak wavelength of an emission spectrum of the blue organic emission layers, and Wb is a spectrum width of the blue organic emission layers, and

wherein at least one of the red organic emission layer, the green organic emission layer, and the blue organic emission layer satisfies the sRGB standard.

7 . The display device of claim 6 , wherein:

luminous efficiency (N) is represented by:

N= 2.00641 E− 04 Wr 3 −3.39506 E− 02 Wr 2 −1.74361 E− 01 Wr+ 2.36449 E+ 02.

8 . The display device of claim 6 , wherein:

luminous efficiency (N) is represented by:

1.67474 E− 03 Wg 2 +6.63925 E− 01 Wg+ 3.51841 E+ 02= N=− 3.76770 E− 02 Wg 2 +9.27327 E− 02 Wg+ 4.71869 E+ 02.

9 . The display device of claim 6 , wherein:

luminous efficiency is represented by:

−6.35427 E− 05 Wb 3 +6.22130 E− 03 Wb 2 −6.94293 E− 02 Wb+ 3.71279 E+ 01 =N=− 1.09978 E− 04 Wb 3 +8.57988 E− 03 Wb 2 −1.13843 E− 01 Wb+ 4.84272 E+ 01.

10 . A display device, comprising:

a substrate;

a plurality of first electrodes formed on the substrate;

a plurality of organic emission layers, each formed on one of the first electrodes; and

a plurality of second electrodes, each formed on one of the organic emission layers,

wherein a chromaticity range of the red organic emission layer satisfies an sRGB standard if λpr=3.72604E−03 Wr 2 +8.35845E−01 Wr+6.07097E+02 and λpr=605 nm,

wherein a chromaticity range of the green organic emission layer satisfies the sRGB standard if 2.75023E−03 Wg 2 +9.61132E−03 Wg+5.14566E+02≦λpg≦−3.05147E−03 Wg 2 +4.10247E−03 Wg+5.52619E+02, 510 nm≦λpg≦555 nm, and Wg<80 nm,

wherein a chromaticity range of the blue organic emission layer satisfies the NTSC standard and the sRGB standard if −2.59294E−03 Wb 2 +2.59334E−02 Wb+4.64771E+02≦λpb≦−6.83799E−05 Wb 3 +5.65420E−04 Wb 2 −8.40121E−02 Wb+4.68232E+02, 460 nm≦λpb≦470 nm, and Wb<40 nm,

wherein λpr is a peak wavelength of an emission spectrum of the red organic emission layers, Wr is a spectrum width of the red organic emission layers, λpg is a peak wavelength of an emission spectrum of the green organic emission layer, Wg is a spectrum width of the green organic emission layers, λpb is a peak wavelength of an emission spectrum of the blue organic emission layers, and Wb is a spectrum width of the blue organic emission layers, and

wherein at least one of the red organic emission layer, the green organic emission layer, and the blue organic emission layer satisfies the sRGB standard or the NTSC standard and the sRGB standard.

Assignments (2)
MERGER Recorded Aug 31, 2012
From: SAMSUNG MOBILE DISPLAY CO., LTD.
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 028921/0334 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 7, 2011
From: TAMURA, SHINICHIRO; CHOI, BYOUNG-KI; KIM, MYEONG-SUK; KIM, SANG-YEOL; LEE, SUNG-HUN
To: SAMSUNG MOBILE DISPLAY CO., LTD.
Reel/Frame 026567/0240 →