Display device

A technology for display devices and display areas, applied in static indicators, instruments, vehicle components, etc., to solve problems such as difficult to control orientation and viewing angles
CN101004871AInactive Publication Date: 2007-07-25DENSO CORP
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Patent Information

Authority / Receiving Office
CN Ā· China
Current Assignee / Owner
DENSO CORP
Publication Date
2007-07-25
Estimated Expiration
Not applicable Ā· inactive patent

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Abstract

A display device for a vehicle includes a display LCD and a control LCD, which has transmission switching portions, each of which has three segment units. When the vehicle is running, left-side two-third segment units of each transmission switching portion are set to a non-transparent state in a portion of the control LCD corresponding to the left half screen of the display LCD. In contrast, in a portion of the control LCD corresponding to the right half screen of the display LCD, all the segment units are set to a transparent state. Thus, an image in the right half screen is visible from a driver seat, while an image in the left half screen is not visible from the driver seat. Both the images in the right half screen and the left half screen are visible from a front passenger seat.
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Description

technical field

[0001] The present invention relates to a display device that displays an image that is visible in a first viewing direction but not visible in a second viewing direction different from the first viewing direction. Background technique

[0002] Patent Document 1 proposes a display device that displays different images or contents, each of which is visible only in a prescribed viewing direction. For example, the image visible from the front right position is different from the image visible from the front left position. In such a display device, separate pixels are alternately used for each of the two windows visible from the front right and front left positions, respectively; thus, two full-screen sized windows appear on the screen of the display device . Only half of all pixels included in the display device are used to display a full screen size window. This naturally reduces the fineness of the image in this window. Furthermore, what is observed from t...

Claims

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