Light emitting device

Details Light emitting device Light emitting device

2008-03-18

2008-03-18

Glick, Edward J. (Department: 2882)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000, C313S505000, C313S506000

Reexamination Certificate

active

10738217

ABSTRACT:
An organic light-emitting device is manufactured, which is formed laminating an electroluminescent layer (111) including an electroluminescent organic compound and a cathode (109) sequentially on anode (101). The electroluminescent layer (111) has a hole blocking layer (106), and this hole blocking layer (106) is formed of two or more kinds of materials. It is possible to manufacture a high-efficiency and high-reliability organic light-emitting device by introducing the hole blocking layer like this.

REFERENCES:
patent: 5466950 (1995-11-01), Sugawara et al.
patent: 6281627 (2001-08-01), Arai et al.
patent: 6338908 (2002-01-01), Arai et al.
patent: 6458475 (2002-10-01), Adachi et al.
patent: 6541909 (2003-04-01), Motomatsu
patent: 6566807 (2003-05-01), Fujita et al.
patent: 6693352 (2004-02-01), Huang et al.
patent: 6916554 (2005-07-01), Ma et al.
patent: 2001/0052751 (2001-12-01), Wakimoto et al.
patent: 03-077299 (1991-04-01), None
patent: 2001-110569 (2001-04-01), None
patent: 2001-237079 (2001-08-01), None
patent: 2002-033197 (2002-01-01), None
patent: 2002-100479 (2002-04-01), None
English translation of Detailed Description of JP 2001-237079.
Kwong et al.; “High operational stability of electrophosphorescent devices”;Applied Physics Letters, vol. 81, No. 1; pp. 162-164; Jul. 1, 2002.
Watanabe et al.; Optimization of driving lifetime durability in organic LED devices using Ir Complex;Proceedings of SPIEvol. 4105; pp. 175-182; 2001.
Tsutsui et al.; “High Quantum Efficiency in Organic Light-Emitting Devices with Iridium-Complex as a Triplet Emissive Center”;Japan Journal of Applied Physicsvol. 38, Part 2, No. 12B; pp. L1502-L1504; 1999.
Baldo et al.; “Very high-efficiency green organic light-emitting devices based on electrophosphorescence”;Applied Physics Letters, vol. 75, No. 1; pp. 4-6; 1999.
Kijima et al.; “A Blue Organic Light Emitting Diode”;Japan Journal of Applied Physics, vol. 38, Part 1, No. 9A; pp. 5274-5277; 1999.
Adachi et al.; “Electroluminescence in Organic Films with Three-Layer Structure”;Department of Materials Science and Technology, Graduate School of Engineering Sciences, Kyushu University; pp. L269-L271; 1998.
Tang et al.; “Organic electroluminescent diodes”;Applied Physics Letters 51(12); pp. 913-915; 1987.
Search Report (Application No. PCT/JP03/16027) dated Feb. 3, 2004.
International Preliminary Examination Report (Application No. PCT/JP03/16027) in Japanese; dated Mar. 2, 2004.
International Preliminary Examination Report (Application No. PCT/JP03/16027)—English language translation; dated Mar. 2, 2004.

Affiliated with

Also associated with

Rating

Light emitting device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light emitting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light emitting device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3912222