A capacitive-type touch-panel-embedded IPS-LCD is realized by a novel parasitic current reduction technique (PCR). The PCR removes 90% of the current flowing through the parasitic capacitance on a capacitive sensor (ITO layer) formed on a color filter substrate. Since the IPS-LCD has the same structure as commercial products, it features no reduction in aperture ratio.
SUMMARYWe present an electrostatic tactile display for stimulus localization. The 240-Hz electrostatic force was generated by the beat phenomenon in a region where excited X electrodes cross excited Y electrodes, which presents localized tactile sensation out of the entire surface. A 10.4-in. visual-tactile integrated display was successfully demonstrated. key words: tactile display, electrostatic force, beat phenomenon, multi touch, user experience
We propose an electrostatic tactile display, which presents regional stimulation. The 240-Hz electrostatic force is generated by the beat phenomenon in a region where excited X electrodes cross excited Y electrodes, which presents tactile sensation to users. This display can accommodate multi-touch tactile interaction with visual information.Author Keywords tactile display; electrostatic; beat phenomenon; multi touch; user experience; human-computer interaction; human-display interaction.
We have demonstrated an OLED display with the high luminance of 1000 nit and long lifetime of LT80 > 1000 hours at 85°C for automotive application. Our display features a highly stable EIL/ETL structure at high temperature and low angular colorshift technology for red emission.
Pinch gestures for scaling an image were recognized successfully on a surface-capacitive touch screen that has only a single-touch function without increasing manufacturing cost. An algorithm for recognizing the gestures was developed, which calculates the distance between two touching points without detecting each position of the two points.
Author KeywordsSurface-capacitive touch screen; pinch gesture; touch position; simple structure; low cost J J J J J J J J d d d d d (2) (a) Single-point touch (b) Two-point touch Figure 2. Touch images and current outputs
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