Optical output device
AssigneeTron Intelligence Inc.
InventorsRuey-Jiann LIN, Shen-Hui CHEN, Ching-Han CHEN
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Abstract
The present invention discloses an optical input device, which comprises a display panel having a displaying area functioning as an interface for detecting a position of an object; a backlight module providing light sources for the display panel; and at least one image sensor arranged behind the backlight module and capturing a positional image, which is formed on the displaying area by an object reflecting the light emitted by the light sources. The present invention not only can decrease the thickness of the optical input device but also can reduce the complexity of the optical system.
Claims8
An optical input device comprising
- a display panel having a displaying area functioning as an interface for detecting a position of an object;
- a backlight module providing light sources for said display panel;
- and
- at least one image sensor arranged behind said backlight module and obtaining a positional image, which is formed on said displaying area by an object reflecting light emitted by said light sources.
Dependencies are inferred from the claim text.