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US 5,182,660 AGranted
Back-light type liquid crystal display
AssigneeRohm Co., Ltd.
InventorOsamu Tanaka
Life of this patent
Estimating the term…
Abstract
A liquid crystal display includes a fixing frame having a display window, a liquid crystal panel device received in the frame in facing relation to the window, and a back lighter received in the frame and stacked to the panel device on the side thereof away from the window. The back lighter has a light guide having a marginal edge provided with a fluorescent lamp which is arranged outwardly of a corresponding marginal edge of the panel device and offset toward the panel device, so that the lamp does not project beyond the rear surface of the light guide.
Claims12
A liquid crystal display comprising:
- a fixing frame having a front wall formed with a display window, said frame also having a peripheral wall;
- a liquid crystal panel device received in said frame, said panel device having a marginal edge spaced from said peripheral wall of said frame to define an accommodating space between said marginal edge and said peripheral wall;
- and
- a back lighter received in said frame and stacked to said panel device on the side thereof away from said window for illuminating said panel device from behind, said back lighter including a flat light guide which has at least one marginal edge provided with a cylindrical lamp extending along said marginal edge of said light guide, said light guide having a front surface located closer to said display window and a rear surface located away from said display window, the diameter of the lamp being larger than the thickness of said light guide;
- wherein said lamp is located laterally outwardly of a corresponding edge of said panel device, said lamp being substantially flush with said rear surface of said light guide but projecting beyond said front surface of said light guide in the direction of said front wall,
- wherein said lamp projects into said accommodating space to overlap partially said panel device in the direction of said front wall.
3 more elements
Dependencies are inferred from the claim text.