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Input device

An input device, non-input technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve problems such as darkening the LCD screen and reducing the brightness of the backlight

Inactive Publication Date: 2012-12-19
ALPS ALPINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, when a moving light is placed near the illuminance sensor, and the moving light is turned on while observing the liquid crystal screen to take pictures of people or landscapes with the camera, if the light from the moving light leaks onto the illuminance sensor, the illuminance will decrease. The sensor may mistakenly think the surroundings are bright and reduce the brightness of the backlight to darken the LCD screen

Method used

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Embodiment Construction

[0049] figure 1 It is an exploded perspective view of the capacitive input device of this embodiment. figure 2 will be figure 1 The illustrated input device is formed in an assembled state and is a partially enlarged longitudinal sectional view viewed from the direction of the arrow, cut along line A-A. image 3 (a) is to figure 1 The shown input device is formed in an assembled state and is a partial enlarged longitudinal sectional view viewed from the direction of the arrow (partial enlarged longitudinal sectional view at a position where the proximity sensor is provided) by sectioning along the line B-B. image 3 (b) is a plan view of the first space portion, the second space portion, and the slit portion (restraining portion). image 3 (c) is an explanatory diagram for explaining the detection principle of the detection of external objects by the non-contact sensor (with image 3 (a) The same partial longitudinal section). Figure 4 is a partial longitudinal sectiona...

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Abstract

Disclosed is an input device capable of suppressing erroneous detection when a proximity sensor is arranged. An input device is capable of detecting an operating position on an operation surface, and comprises a transparent layer, wherein the input device comprises a first area (first space) (31) and a second area (second space) (32) located at mutually distant positions and capable of transmitting light between the rear face (10b) and the front face (10a) of the input device, and a suppression unit (for example, slit unit (36)) which functions so that, when light is emitted from the rear face (10b) side of the first area (31) to the front face (10a) side, the light is transmitted through the transparent layer located between the first area (31) and the second area (32), and entering of the light into the second area (32) can be suppressed.

Description

technical field [0001] The present invention relates to an input device capable of detecting an input position, and in particular to an input device in which a light-emitting part and a light-receiving part are arranged close to each other. Background technique [0002] Patent Document 1 below discloses a proximity sensor provided on an input device. The proximity sensor senses the proximity of an external object. Patent Document 1 describes a technique for switching screen displays based on detection results of a proximity sensor. [0003] An infrared light sensor is disclosed in Patent Document 2, and such an infrared light sensor can be applied to the proximity sensor shown in Patent Document 1. [0004] However, when a proximity sensor is placed on an input device (touch panel) with a transparent layer, even if an external object does not approach, there is a possibility of false detection due to the light irradiated from the light source passing through the transparen...

Claims

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Application Information

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IPC IPC(8): G06F3/041
CPCG06F3/0418G06F3/042
Inventor 杉井咏一堀野武信笹川英人铃木润
Owner ALPS ALPINE CO LTD
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