Industrial Technology Research Institute

National Chi Nan University

Intellectual Property Innovation Corporation

Yi-Chuan Lu

Tai-Ping Sun

Chih-Chia Chang

Heng-Yin Chen

Chang-Po Chao

Chien-Ju Lee

Kai-Ming Chang

Ming-Sheng Yang

Tse-Hsin Chen

Guan-Jung Luo

Kuang-Jung Chen

Yi-Shou Tsai

Yu-Hsin Lin

Kuo-Chang Lee

Ying-Ting Liou

Yen-Lin Pan

Te-Chih Liu

Tsung-Shuo Kao

Hung-Wei Mao

Yao-Syun Wang

I-Tin Liu

Ying-Jia Lin

Chang-Xian Wu

A transparent display device and a control method using the same are provided. The transparent display device includes a transparent display, a plurality of identification sensors, a scene sensor, and a controller. The identification sensors are configured to sense a user located at a first side of the transparent display to generate a plurality of identification data. The scene sensor is configured to sense scene information located at a second side. The controller obtains a user distance between the user and the transparent display, selects corresponding identification data generated by at least one of or multiple of the identification sensors according to the user distance, determines a location and a gaze direction of the user and a target object in the scene information according to the selected corresponding identification data, and presents target object information corresponding to the target object in the transparent display.

Transparent display device and control method using the same

A touch panel driving apparatus generates a differential signal corresponding to a detection result of a touch panel. The touch panel driving apparatus includes a driving circuit, a first integrating sampling circuit, and a second integrating sampling circuit. The first integrating sampling circuit generates a first end signal of the differential signal. The second integrating sampling circuit generates a second end signal of the differential signal. When a touch event does not occur, a level of the first end signal and a level of the second end signal are in a common mode signal range of the differential signal. When the touch event occurs, the first integrating sampling circuit pulls up the level of the first end signal out of the common mode signal range, and the second integrating sampling circuit pulls down the level of the second end signal out of the common mode signal range.

Touch panel driving apparatus

The present disclosure provides a driving device for driving a sensing device having a plurality of driving electrodes and a plurality of sensing electrodes. The driving device includes a signal processing circuit and a readout circuit. The signal processing circuit is electrically connected to the plurality of driving electrodes of the sensing device. The signal processing circuit is configured to generate a plurality of driving signal to drive the sensing device. The signal processing circuit selects a plurality of Walsh codes from a plurality of rows or columns of a Walsh matrix to serve as a plurality of driving signals. The readout circuit readouts the sensing device to generate a plurality of sensing signals and provides the plurality of sensing signals to the signal processing circuit, so that the signal processing circuit demodulates the plurality of sensing signals. In addition, a driving method is also provided.

Driving device and device method

According an embodiment of the disclosure, a sensing display apparatus including a display panel, an encapsulation layer, a sensing circuit layer and a cover is provided. The display panel includes a display region. The encapsulation layer encapsulates the display panel, and a minimum thickness of the encapsulation layer ranges from 1 micrometer (&#x3bc;m) to 10 &#x3bc;m. The sensing circuit layer is disposed on the encapsulation layer. The ratio of a layout area of the sensing circuit layer to an area of the display region ranges from 3% to 15%. The encapsulation layer and the sensing circuit layer are covered by the cover and the thickness of the cover ranges from 10 &#x3bc;m to 120 &#x3bc;m.

Sensing display apparatus

In an embodiment of the disclosure, a touch-sensing display panel includes a substrate, connection electrodes, a touch-sensing device layer, a buffer layer, a display device, and conductive vias. The substrate has a display area and a non-display area connecting the display area. The connection electrodes are located on the non-display area of the substrate. The touch-sensing device layer is located on the substrate. The buffer layer covers the touch-sensing device layer. The display device including a first electrode layer, a second electrode layer, and a display medium layer is disposed on the buffer layer and corresponds to the display area. The first electrode layer and the second electrode layer extend from the display area to the non-display area. The conductive vias penetrate the buffer layer and correspond to the non-display area. The first electrode layer and the second electrode layer are electrically connected to the connection electrodes via the conductive vias.

Touch-sensing display panel

An optical film with touch function includes a substrate, a material layer, a plurality of columnar structures, and a filter electrode layer. The substrate has a carrying surface. The material layer is disposed on the carrying surface of the substrate. Each of the columnar structures is extended from a side of the material layer adjacent to the carrying surface to a side of the material layer away from the carrying surface. A side of each of the columnar structures adjacent to the substrate has a first end surface. The filter electrode layer is disposed between the substrate and the material layer. The filter electrode layer includes a plurality of sensing electrode regions electrically insulated from each other. The filter electrode layer has a plurality of openings, and the openings respectively expose the first end surfaces.

Optical film with touch function

The disclosure provides a touch control apparatus and noise compensation circuit and method thereof. The noise compensation circuit includes an integration circuit, a noise storage circuit, and a noise detection circuit. The noise detection circuit receives a plurality of continuous touch detection signals, and compares the touch detection signals with a first and second threshold values to generate a plurality of detection results. The noise detection circuit sets a plurality of noise signals to be saved in the noise storage circuit or transmits a plurality of effective signals to the integration circuit based on the detection results. The noise storage circuit generates an average noise within a time period based on the noise signals and transmits the average noise to the integration circuit. The integration circuit generates a touch detection result according to the effective signals and the average noise.

Touch control apparatus and noise compensating circuit and method thereof

A touch sensing method, a touch display apparatus and a portable electronic device thereof are provided. A system, a driving method and an architecture of a provided touch display panel are used for decreasing a resistance value between the ultrathin touch display panel (for example, a combination of an AMOLED display panel and a touch panel) or decreasing an influence of the resistance value, so as to decrease a chance of induction error of the touch event or induction misjudgement.

Touch sensing method, touch display apparatus and portable electronic device

A readout device includes a plurality of detecting circuits arranged in rows and columns to form a detecting array, and an output module. Each of the detecting circuits includes two transistors for generating a detection signal associated with impedance at a target site. Through selection of the rows and the columns of the detecting circuits, the output module outputs an output voltage signal having a magnitude positively correlated with magnitude of a selected one of the detection signals received from the detecting circuits.

Readout device, dual-function readout device, and detecting circuit thereof

A dual-switching sensing device includes two sensor modules and a dual-function switching circuit with an operational amplifier and two integrator modules. Each of the integrator modules includes a transistor, an integrator capacitor and a switching unit. Through control of the switching unit, each of the integrator modules may operate in different modes, so that the dual-switching sensing device may be used to sense different targets.

Dual-switching sensing device, and dual-function switching circuit thereof

A readout device is adapted for dual-band sensing, and includes an amplifier, two direct injection (DI) readout circuits to be respectively connected to two sensors, and a switching module. Through operation of the switching module, one of the DI readout circuits can be electrically connected to the amplifier, and cooperate with the other DI readout circuit to achieve a dual-band sensing feature.

Switchable readout device

A capacitive transimpedance amplifier for a detector unit capable of generating first and second detection currents comprises: a read-out circuit including an integration capacitor coupled between an input node connected to the detector unit, and a common node between first and second transistors connected in series, and a sampling and holding unit coupled between the first common node and an output node for sampling and holding a voltage at the first common node; and a switch unit connected to control ends of the first and second transistors and the input node, and operable between a first state, where the first detection current is read out, and a second state, where the second detection current is read out.

Dual-mode capacitive transimpedance amplifier, and read-out device incorporating the same

A dual function injection type array readout device includes at least two sensor groups and a dual function injection type array readout circuit. Each sensor group has two sensors of different functions, and each sensor generates a sense current according to a corresponding sensed target. The dual function injection type array readout circuit includes at least two dual function readout modules, each having two readout units, each electrically coupled to a respective sensor of a corresponding sensor group. Each readout unit includes a current-to-voltage converter having an integration capacitor, and a sample-and-hold device electrically coupled to the current-to-voltage converter. A switch unit is electrically coupled to the integration capacitors of the readout units.

Growing community of inventors

Kinmen County, Taiwan

Yi-Chuan Lu