Semi-transmissive liquid crystal display device and electronic apparatus
First Claim
1. A liquid crystal display device comprising:
- a plurality of pixels arranged in a matrix;
a plurality of reflective electrode groups provided for each of the pixels, each of the reflective electrode groups including one or more reflective electrodes, with a combination of the areas of the reflective electrode groups being used to perform area coverage modulation using n bits, where n is an integer more than 2, each reflective electrode group corresponding to one of the n bits, the reflective electrode groups being configured such that a ratio of the sum of the perimeters of the reflective electrodes in each reflective electrode group corresponding to each bit of the n bits satisfies 21−
1;
22−
1;
. . . ;
2n−
1,a counter electrode facing the plurality of reflective electrode groups; and
a liquid crystal layer provided between the reflective electrode groups and the counter electrode,wherein the reflective electrodes include 21−
1 reflective electrode corresponding to first bit, 22−
1 reflective electrodes corresponding to second bit, . . . , and 2n−
1 reflective electrodes corresponding to n-th bit,wherein a total number of the reflective electrodes included in one pixel is a sum of a number of the reflective electrodes corresponding to each bit,wherein the reflective electrodes have a same shape and a same size, andwherein two or more of the reflective electrodes corresponding to the same bit are electrically connected to one another.
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Accused Products
Abstract
According to an aspect, a semi-transmissive liquid crystal display device includes a plurality of pixels arranged in a matrix, a plurality of reflective electrodes, a counter electrode facing the reflective electrode, and a liquid crystal layer. The reflective electrodes are provided for each of the pixels, and each of them includes a plurality of electrodes, with a combination of the areas of which area coverage modulation is performed by using n bits. The electrodes are configured such that a ratio of the sum of the perimeter(s) of electrode(s) corresponding to each bit of the n bits satisfies 1:2: . . . :2n−1. The liquid crystal layer is provided between the reflective electrode and the counter electrode. The semi-transmissive liquid crystal display device is configured to carry out reflective display using the reflective electrode and carry out transmissive display using at least a space of the reflective electrode between the pixels.
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Citations
26 Claims
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1. A liquid crystal display device comprising:
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a plurality of pixels arranged in a matrix; a plurality of reflective electrode groups provided for each of the pixels, each of the reflective electrode groups including one or more reflective electrodes, with a combination of the areas of the reflective electrode groups being used to perform area coverage modulation using n bits, where n is an integer more than 2, each reflective electrode group corresponding to one of the n bits, the reflective electrode groups being configured such that a ratio of the sum of the perimeters of the reflective electrodes in each reflective electrode group corresponding to each bit of the n bits satisfies 21−
1;
22−
1;
. . . ;
2n−
1,a counter electrode facing the plurality of reflective electrode groups; and a liquid crystal layer provided between the reflective electrode groups and the counter electrode, wherein the reflective electrodes include 21−
1 reflective electrode corresponding to first bit, 22−
1 reflective electrodes corresponding to second bit, . . . , and 2n−
1 reflective electrodes corresponding to n-th bit,wherein a total number of the reflective electrodes included in one pixel is a sum of a number of the reflective electrodes corresponding to each bit, wherein the reflective electrodes have a same shape and a same size, and wherein two or more of the reflective electrodes corresponding to the same bit are electrically connected to one another. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A liquid crystal display device comprising:
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a plurality of pixels arranged in a matrix; a plurality of reflective electrode groups provided for each of the pixels, each of the reflective electrode groups including one or more reflective electrodes, with a combination of the areas of the reflective electrode groups being used to perform area coverage modulation using n bits, where n is an integer more than 2, each reflective electrode group corresponding to one of the n bits, the reflective electrode groups being configured such that a ratio of the sum of the perimeters of the reflective electrodes in each reflective electrode group corresponding to each bit of the n bits satisfies 21−
1;
22−
1;
. . . ;
2n−
1 in an opening of the pixel,a counter electrode facing the plurality of reflective electrode groups; and a liquid crystal layer provided between the reflective electrode groups and the counter electrode, wherein the reflective electrodes include 21−
1 reflective electrode corresponding to first bit, 22−
1 reflective electrodes corresponding to second bit, . . . , and 2n−
1 reflective electrodes corresponding to n-th bit,wherein a total number of the reflective electrodes included in one pixel is a sum of a number of the reflective electrodes corresponding to each bit, wherein the reflective electrodes have a same shape and a same size, and wherein two or more of the reflective electrodes corresponding to the same bit are electrically connected to one another. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification