The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2010
Filed:
Dec. 13, 2004
Won-sang Park, Yongin-si, KR;
Sang-woo Kim, Suwon-si, KR;
Jae-young Lee, Seoul, KR;
Sung-eun Cha, Geoje-si, KR;
Jae-ik Lim, Chuncheon-si, KR;
Jae-hyun Kim, Seoul, KR;
Won-Sang Park, Yongin-si, KR;
Sang-Woo Kim, Suwon-si, KR;
Jae-Young Lee, Seoul, KR;
Sung-Eun Cha, Geoje-si, KR;
Jae-Ik Lim, Chuncheon-si, KR;
Jae-Hyun Kim, Seoul, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
An LCD apparatus including a first member, a second member, a liquid crystal layer and an optical film assembly is presented. A phase delay of the optical film assembly is about −α. In a normally white mode, the phase delay of the liquid crystal layer is about (λ/2)+α when no voltage is applied and about 'α' when voltage is applied. In a normally black mode, the phase delay of the liquid crystal layer is about 'α' when no voltage is applied, and about (λ/2)+α when voltage is applied. The phase delay between the liquid crystal layer when voltage is applied and the liquid crystal layer when voltage is not applied is about λ/2. “α” is a positive number. By manipulating the value of α, power consumption can be reduced. For example, the apparatus can be driven with a voltage below 2.5 V.