Image signal display apparatus
AssigneeHitachi, Ltd.
InventorsTatsuki Inuzuka, Tsunenori Yamamoto, Akitoyo Konno, Ikuo Hiyama
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Abstract
A liquid crystal display apparatus includes a liquid crystal display panel having a liquid crystal layer held between a pair of substrates; and a light source, a whose brightness of which is controllable, wherein the liquid crystal display apparatus further includes a unit for generating an image signal with a signal for controlling the liquid crystal layer configured in a display area of a frame-based pixel configuration and with a signal for controlling the light source configured in a blanking interval of the frame-based pixel configuration.
Claims9
A liquid crystal display apparatus comprising:
- a liquid crystal display panel having a liquid crystal layer held between a pair of substrates;
- and
- a light source, a brightness of which is controllable,
- wherein said liquid crystal display apparatus further comprises a unit for generating an image signal with a signal for controlling said liquid crystal layer configured in a display area of a frame-based pixel configuration and with a signal for controlling said light source configured in a blanking interval of the frame-based pixel configuration.
A liquid crystal display apparatus comprising:
- a liquid crystal display panel having a liquid crystal layer held between a pair of substrates;
- and
- a light source, a brightness of which is controllable,
- wherein said liquid crystal display apparatus further comprises a unit for generating an image signal with a signal for controlling said liquid crystal layer and a signal for controlling said light source configured in a display area of a frame-based pixel configuration.
A liquid crystal display apparatus comprising:
- a liquid crystal display panel having a liquid crystal layer held between a pair of substrates;
- and
- a light source,
- wherein said liquid crystal display apparatus further comprises:
- a storing unit for storing one or more of characteristics of brightness, light emission spectrum, light emission chromaticity, light emission distribution, number of screen divisions, screen division shape, variation characteristics, and external light source characteristics in said light source;
- and
- a signal processing unit for performing signal processing for a display signal based on the characteristics.
A liquid crystal display apparatus comprising:
- a liquid crystal display panel held between a pair of substrates and having a liquid crystal layer whose light transmittance is controllable;
- and
- a light source, a brightness of which is controllable for each of a plurality of divided areas,
- wherein said liquid crystal display apparatus combines the transmittance of said liquid crystal layer with the brightness of said light source to give a display output,
- further comprises a defecting unit for detecting light emission distribution characteristics of the display output, and
- uses the light emission distribution characteristics for controlling the transmittance of said liquid crystal layer and the brightness of said light source.
A liquid crystal display apparatus comprising:
- a liquid crystal display panel held between a pair of substrates and having a liquid crystal layer whose light transmittance can be controlled;
- and
- a light source, a brightness of which is controllable,
- wherein the transmittance of said liquid crystal layer can be controlled, M pixels at a time,
- the brightness of said light source is controllable, N divided areas at a time,
- light emission distribution characteristics of a display output are detected, said display output being obtained by a combination of the transmittance of said liquid crystal layer and the brightness of said light source, and
- a transmittance control signal of the M pixels and a brightness control signal of the N divided areas are calculated using the light emission distribution characteristics.
Dependencies are inferred from the claim text.