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US 7,742,137 B2Granted
Display device and electrical appliance using the same
AssigneeHitachi, Ltd.
InventorsMasaya Adachi, Makiko Sugibayashi, Tetsuya Ohshima, Katsumi Kondo, Hiroshi Sasaki
Life of this patent
Estimating the term…
Abstract
A liquid crystal display device comprising a pair of substrates, a liquid crystal display panel having a liquid crystal layer positioned between the substrates, a transparent protective plate arranged on a front surface side of the display panel, and an optically transparent layer between the display panel and the protective plate, and wherein the protective plate includes fine concavity and convexity configurations on at least a surface thereof toward the display panel.
Claims28
A display device comprising:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- an optically transparent sheet arranged between the display panel and the transparent protective plate;
- wherein the transparent sheet is bonded on the display panel and the transparent protective plate is bonded on the transparent sheet;
- and
- wherein the transparent protective plate includes fine concavity configurations and fine convexity configurations on at least a surface thereof facing the display panel.
4 more elements
A display device comprising:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- an optically transparent sheet arranged between the display panel and the transparent protective plate;
- wherein the transparent sheet is bonded on the display panel, and the transparent protective plate is bonded on the transparent sheet;
- and
- wherein at least a center and/or neighborhood of the center of a surface of the transparent protective plate facing the display panel is bulged from a periphery thereof.
4 more elements
A display device comprising:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- an optically transparent sheet arranged between the display panel and the transparent protective plate;
- wherein the transparent sheet is bonded on the display panel, and the transparent protective plate is bonded on the transparent sheet;
- and
- wherein the transparent protective plate comprises a nano pore layer including voids having a magnitude of several nano to several tens of nano on at least a surface thereof facing the display panel.
4 more elements
A display device comprising:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- an optically transparent sheet arranged between the display panel and the transparent protective plate;
- wherein the transparent sheet is bonded on the display panel, and the transparent protective plate is bonded on the transparent sheet;
- and
- wherein the optically transparent sheet is thinner at an end thereof than a central portion thereof.
4 more elements
A display device comprising:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- an optically transparent sheet arranged between the display panel and the transparent protective plate;
- wherein the transparent sheet is bonded on the display panel, and the transparent protective plate is bonded on the transparent sheet;
- and
- wherein a colored layer formed in a frame is provided on a side of the transparent protective plate facing the display panel;
- and
- wherein a flattened layer for flattening a surface of the colored layer is further provided on the colored layer.
6 more elements
A display device comprising:
- a display panel;
- a transparent protective plate;
- optically transparent sheets;
- an optically transparent plate provided between the display panel and the transparent protective plate;
- wherein the optically transparent plate and the transparent protective plate are arranged on a front surface side of the display panel;
- and
- wherein the optically transparent sheets are respectively provided between the display panel and the optically transparent plate, and between the optically transparent plate and the transparent protective plate;
- wherein the transparent protective plate is bonded on the transparent sheet;
- and
- wherein the optically transparent plate and the transparent sheets are bonded on the display panel.
7 more elements
A display device comprising:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- a first optically transparent sheet arranged between the display panel and the transparent protective plate;
- wherein the transparent protective plate is bonded on the optically transparent sheet, and the optically transparent sheet is bonded on the display panel;
- and
- wherein the display panel comprises:
- a liquid crystal display panel including a liquid crystal cell and a backlight, and
- a second optically transparent sheet, substantially the same as the first optically transparent sheet, arranged between the liquid crystal cell and the backlight.
6 more elements
An appliance provided with a display device, which comprises:
- a display panel;
- a transparent protective plate arranged on a front surface side of the display panel;
- and
- an optically transparent sheet arranged between the display panel and the transparent protective plate;
- and
- wherein the transparent protective plate is larger in area than the display panel, and the display panel is bonded to the transparent protective plate by the optically transparent sheet;
- and
- wherein the transparent protective plate is fixed to a housing to thereby fix the display device to the appliance.
5 more elements
Dependencies are inferred from the claim text.