公开(公告)号：US20130107179A1

公开(公告)日：2013-05-02

申请号：US13719848

申请日：2012-12-19

Applicant: NEC LCD Technologies, Ltd.

Inventor： Shinichi NISHIDA ,  Hideki ITOU ,  Teruaki SUZUKI ,  Sounosuke TAKAHASHI ,  Yoshikazu SAKAGUCHI

IPC: G02F1/1335

CPC classification number: G02F1/133514 ,  G02F1/133512 ,  G02F1/133516 ,  G02F2001/133388

Abstract: An active matrix liquid crystal display device of the invention includes a liquid crystal display panel operating in a normally black mode having a first substrate provided with a color filter and a second substrate provided with an active matrix array, wherein the first substrate is provided with a laminated colored layer with three colors, a laminated colored layer with two colors and a colored layer with one color in a frame part surrounding a display area without being provided with a black matrix, and the second substrate is provided with a conductive film formed in a region which is opposed to the laminated colored layer with two colors and the colored layer with one color, between the display area and the laminated colored layer with three colors.

公开(公告)号：US20130093988A1

公开(公告)日：2013-04-18

申请号：US13709592

申请日：2012-12-10

Applicant: NEC LCD Technologies, Ltd.

Inventor： Teruaki SUZUKI ,  Shinichi NISHIDA

IPC: G02F1/1343

CPC classification number: G02F1/13439 ,  G02F1/134363 ,  G02F1/136286

Abstract: A lateral electric field type active-matrix addressing liquid crystal display device suppresses the lateral cross talk induced by the coupling capacitances (i.e., the parasitic capacitances) between the drain bus lines and the common bus line corresponding thereto with a simple structure. In each of the pixel electrodes, at least one electrically isolated light-shielding electrode is formed to extend along the drain bus lines that define the pixel electrode near the same drain bus lines. The light-shielding electrode is overlapped with a part of a corresponding one of the pixel electrodes to the pixel region in such a way that an insulating film intervenes between the light-shielding electrode and the part, the part extending along these drain bus lines in the vicinities thereof. The light-shielding electrode may be electrically connected to the corresponding one of the pixel electrodes at a point in the pixel region.