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:
Apr. 05, 2011
Filed:
Oct. 19, 2005
Transflective vertically aligned liquid crystal display with in-cell patterned quarter-wave retarder
Rick Hamilton, Southampton, GB;
Richard Harding, Hants, GB;
Rick Hamilton, Southampton, GB;
Richard Harding, Hants, GB;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The invention relates to a transflective vertically aligned (VA) liquid crystal display (LCD) comprising a patterned quarter wave foil (QWF). The display () comprises, in a particular, front and back electrodes () provided on transparent substrates () and sandwiching a LC medium (), so as to define reflective () and transmissive sub-pixels (). The patterned QWF (), which is preferably provided inside the LC cell (in-cell application), has regions () which provide a defined retardation and cover the reflective sub-pixels (), and regions () having no on-axis retardation and covering the transmissive sub-pixels ().