Liquid crystal display device and driving method for liquid crystal display device
AssigneeNEC LCD Technologies, Ltd.
InventorsKoichi Koga, Noboru Okuzono, Machihiko Yamaguchi
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Abstract
In a liquid crystal display device where each unit pixel p arranged on a liquid crystal panel 101A is constituted by a plurality of pixels p1, p2, and p3, the pixels p1, p2, and p3 are divided into sub-pixels p11 and p12, sub-pixels p21, and p22, and sub-pixels p31 and p32, respectively. The liquid crystal display device is provided with driver ICs 201 and 202 for driving the sub-pixels p11, p21, and p31, and the sub-pixels p12, p22, and p32 constituting the pixels so that different gradation-brightness value characteristics may be given. Due to this, multi-gradation display can be performed.
Claims4
A method of driving a liquid crystal display device where a plurality of pixels constituting each unit pixel and each of said plurality of pixels divided into a first and a second sub-pixels, said method comprising:
- a step of supplying a first driver with a voltage changeable within a range of a predetermined voltage V2 to a predetermined voltage V1, as an input value of a gradation voltage for driving the first sub-pixel;
- a step of supplying a second driver with a voltage changeable within a range of a predetermined voltage V3 and said predetermined voltage V1, as an input value of a gradation voltage for driving said second sub-pixel, and
- a relationship among said voltages V3, V2, and V1 represented by V2>V3>V1.
Dependencies are inferred from the claim text.