Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CERAMIC PROJECTION LAMP
Document Type and Number:
WIPO Patent Application WO/2011/153797
Kind Code:
A1
Abstract:
A ceramic projection lamp is provided, which includes: a discharge vessel (1), electrode tubes (2) set at two ends of the discharge vessel, and an electrode assembly (3) extended into the discharge vessel through the electrode tubes. The discharge vessel (1) and the electrode tubes (2) are made of a material of transparent ceramic. An airtight seal is formed between the electrode assembly (3) and the electrode tubes through solder and the discharge vessel is filled with mercury. The electrode tube includes an inner tube portion and a welding groove which are connected with each other. The inner tube portion is near the discharge vessel, the welding groove is arranged at the end face and the inner diameter of the welding groove is larger than that of the inner tube portion. An airtight seal of the discharge vessel is obtained by filling the welding groove with solder. The ceramic projection lamp of the present invention has high luminous efficiency and good sealing performance.

Inventors:
ZHANG, Wanzhen (No.205, Ceramic Rods Plant of Three-circle Co. Ltd.,No.45,Nanjiao Road, Xiangqia, Chaozhou Guangdong 1, 521011, CN)
张万镇 (中国广东省潮州市湘桥区南较路45号三环集团股份有限公司瓷体厂房205房, Guangdong 1, 521011, CN)
XIE, Cansheng (No.205, Ceramic Rods Plant of Three-circle Co. Ltd.,No.45,Nanjiao Road, Xiangqia, Chaozhou Guangdong 1, 521011, CN)
Application Number:
CN2010/079376
Publication Date:
December 15, 2011
Filing Date:
December 02, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHAOZHOU ORILITE LIGHTING CO., LTD. (No.205, Ceramic Rods Plant of Three-circle Co. Ltd.,No.45,Nanjiao Road, Xiangqia, Chaozhou Guangdong 1, 521011, CN)
潮州市灿源电光源有限公司 (中国广东省潮州市湘桥区南较路45号三环集团股份有限公司瓷体厂房205房, Guangdong 1, 521011, CN)
ZHANG, Wanzhen (No.205, Ceramic Rods Plant of Three-circle Co. Ltd.,No.45,Nanjiao Road, Xiangqia, Chaozhou Guangdong 1, 521011, CN)
张万镇 (中国广东省潮州市湘桥区南较路45号三环集团股份有限公司瓷体厂房205房, Guangdong 1, 521011, CN)
International Classes:
H01J61/36; H01J61/30; H01J61/073
Attorney, Agent or Firm:
OGO PATENT & TRADEMARK AGENCY LIMITED COMPANY (Room 3912, Block B Sinopec Tower, Tiyu West Rd., Tianh, Guangzhou Guangdong 0, 510620, CN)
Download PDF:
Claims: