Haptic feedback and capacitive sensing in a transparent touch screen display

A tactile feedback and transparent technology, applied in the direction of instruments, electrical digital data processing, input/output process of data processing, etc., can solve problems such as bystander injury

Active Publication Date: 2016-03-02
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There may be a risk of injury to the user and/or bystanders as the user is focusing on his smart device's touch screen interface and not on ot

Method used

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  • Haptic feedback and capacitive sensing in a transparent touch screen display
  • Haptic feedback and capacitive sensing in a transparent touch screen display
  • Haptic feedback and capacitive sensing in a transparent touch screen display

Examples

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Embodiment Construction

[0018] The disclosed embodiments have been found useful in enhancing the user experience with touch screen technology. Haptic technology, or haptics, is a tactile feedback technology that utilizes touch sensing by applying force, vibration, or motion to a user. In the literature, haptic technology is described as "capable of doing for touch sensing what computer graphics do for vision". Haptic devices may include tactile sensors that measure the force a user applies to an interface. The word touch comes from the Greek (haptikos), meaning about the sensing of touch, and is derived from the Greek verb (haptesthai), which means to touch or touch.

[0019] Haptic feedback from a touch screen user interface can be generated by selectively generating surface wrinkles in targeted areas. The lateral expansion of the wrinkled material causes the wrinkles by enabling voltage-controlled vertical pressure on the transparent layer above the touchscreen. Fingertips can sense a specif...

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PUM

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Abstract

Consistent with an example embodiment, a user (touch screen) interface has haptic feedback. The user interface comprises, a substrate, a transparent bottom electrode on top of the substrate, a transparent wrinkling layer on top of the transparent bottom electrode, a transparent top electrode on top of the transparent wrinkling layer; and a transparent protective surface on top of the transparent top electrode. The transparent wrinkling layer changes from a smooth surface to a roughened surface upon application of a voltage between the top electrode and the bottom electrode; the voltage generates an electrostatic force mutually attracting the top and bottom electrodes to exert a compressive force upon the transparent wrinkling layer sufficient to generate a degree of surface wrinkling that is perceptible to the touch.

Description

technical field [0001] The present disclosure relates to touch screen devices in which haptic technology is used to enhance the usefulness of transparent touch screens to enrich user experience. Background technique [0002] With the proliferation of smartphones, tablet computers, car dashboards, etc. that rely on touch screen interfaces where users must look at the screen to initiate actions or respond to prompts, users are significantly distracted from their surroundings. There may be a risk of injury to the user and / or bystanders as the user is focusing on his smart device's touch screen interface and not on other things. [0003] Additionally, a portion of the visually impaired cannot benefit from the advantages of touchscreen technology on smart devices. [0004] Touchscreen technology needs to be enhanced to address the challenges of various user groups. Contents of the invention [0005] It has been found that the disclosed embodiments provide an opportunity to en...

Claims

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Application Information

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IPC IPC(8): G06F3/044G06F3/01
CPCG06F3/016G06F3/0416G06F3/0445G06F3/04886G06F2203/04809
Inventor 卡斯珀·范德阿奥斯特皮特·杰勒德·斯蒂内肯
Owner NXP BV
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