Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Keiji Uchida

Hiroshi Watanabe

Tomio Shiota

Minoru Kobayashi

Kaoru Shimizu

Kazunori Tanabe

A plasma display device includes a front protective cover and a back cover that form a chassis for receiving a module in which a plasma display panel is incorporated in a chassis member. The front protective cover includes a front frame having a front frame opening for exposing a front image display region of the plasma display panel, a protective plate attached to the front frame opening of the front frame, and a protective plate pressing bracket that presses the periphery of the protective plate against the edge of the front frame opening of the front frame. A reinforcing frame is disposed between the front frame and the protective plate pressing bracket.

Plasma display device

A plasma display device includes a plasma display panelthat has a front substrate including a plurality of display electrodes arranged thereon and a rear substrate having data electrodes arranged thereon to cross the display electrodes, the front substrate and the rear substrate facing each other so as to form a discharge space, and chassis memberthat holds plasma display panelon a front side and has a driving circuit block for driving plasma display panelon a rear side. Chassis memberhas base platethat is divided into a plurality of base metal plates, and, to which plasma display panelis attached, and metal platesandthat couple the plurality of base metal plates, andtogether.

Plasma display device including a chassis member having a plurality of divided base metal plates

A projection lens shifting mechanism comprises a projection lens unit in the shape of a cylinder for projecting incoming image light, a flange integrated with the projection lens unit, a projection lens mount for providing light emitted from a light valve in the shape of a plane to the projection lens unit, wherein the light valve can be optically modulated for each pixel based on image information, and the projection lens mount is concentric to an optical axis of the light emitted from the light valve, a first cam follower provided in the flange along an optical axis of the projection lens unit, a cam follower guiding portion provided in the projection lens mount for guiding the first cam follower in a direction perpendicular to the optical axis of the projection lens unit, a first lens shifting cam capable of being moved in a predetermined direction with respect to the projection lens mount and engaged with the first cam follower, for shifting the first cam follower in a direction guided by the cam follower guiding portion when the first lens shifting cam is moved in the predetermined direction, and a fixing section for integrating and fixing the first lens shifting cam and the flange to the projection lens mount.

Projection lens shifting mechanism and rear projection television

A mounting structure for a display device which includes a frame on which a screen is held includes a protecting panel disposed at the front side of the screen, a substantially Z-form holding member having a holding portion for holding the peripheral edge of the protecting panel, and a pressing portion pressed in the gap formed between the frame and the screen. The screen is placed at the back side of the frame, the protecting panel is placed at the inner side of the opening of the frame, a part of the holding portion of the holding member is positioned between the opening of the frame and the peripheral part of the protecting panel. By the pressing portion of the holding member, the screen and the holding member are held on the frame, and by the holding portion of the holding member, the protecting panel is held on the frame.

Growing community of inventors

Osaka, Japan

Keiji Uchida