The present description concerns a button capable of being activated by the proximity of a user's finger, including: a time-of-flight distance sensor; and a control circuit, coupled to the distance sensor and configured to transmit a control signal, where the control circuit is configured to perform a switching of the signal, between a first state and a second state, conditioned at least by the detection by the sensor, for a first time period, of an object at a distance shorter than a first threshold.

A drive-sense module for a light emitting diode (LED) touch-sense panel includes an input source for providing a forward bias reference signal and a reverse bias reference signal, a first conversion circuit operably coupled to the input source and a second conversion circuit coupled to the input source and to an LED, where the second conversion circuit is configured to generate either a reverse bias for the LED or a forward bias for the LED based on a reverse bias reference signal or a forward bias reference signal. The drive-sense module includes a difference detection circuit to generate a signal representative of light detected by the LED in the first mode and a signal representative of light emitted by the LED in the second mode and a bi-directional dependent current source configured to output an error correction current to the first input of the difference detection circuit based on the output of the difference detection circuit.

A drive-sense module for a light emitting diode (LED) touch-sense panel includes an input source for providing a forward bias reference signal and a reverse bias reference signal, a first conversion circuit operably coupled to the input source and a second conversion circuit coupled to the input source and to an LED, where the second conversion circuit is configured to generate either a reverse bias for the LED or a forward bias for the LED based on a reverse bias reference signal or a forward bias reference signal. The drive-sense module includes a difference detection circuit to generate a signal representative of light detected by the LED in the first mode and a signal representative of light emitted by the LED in the second mode and a bi-directional dependent current source configured to output an error correction current to the first input of the difference detection circuit based on the output of the difference detection circuit.

A display system for improving delivery power of content by outputting content considering a user's moving path, a control method of the display system, and a display apparatus. The control method of the display system, according to an embodiment of the disclosure, includes generating path information to be used to output contents to at least two display apparatuses of a plurality of display apparatuses based on user information; determining content-of-interest based on the user information; and outputting the determined content-of-interest to at least one display apparatus of the plurality of display apparatuses based on the generated path information.

The present disclosure relates to a display panel and a display device using the same. The display panel includes a display area in which a plurality of display pixels including a light emitting element are disposed, a sensing area in which a plurality of display pixels including a light emitting element and a plurality of sensor pixels including a photoelectric conversion element are disposed, and a touch sensor disposed on display area and the sensing area.

A method for inputting information includes obtaining a hand image; determining one or more first fingers in an open state in the hand image, and a target touch area touched by a second finger, the target touch area being one of set touch areas pre-divided in the one or more first fingers, in a palm, or in the one or more first fingers and the palm; determining target information to be input according to the one or more first fingers in the open state and the target touch area touched by the second finger.

A contact image sensor comprises: a light source providing a collimated beam; a detector and a switchable grating array comprising first and second transparent substrates sandwiching an array of switchable grating elements with transparent electrodes applied to said substrates, said substrates together providing a total internal reflection light guide. A first transmission grating layer overlays said first substrate. A second transmission grating layer overlays said second substrate. A quarter wavelength retarder layer overlays said second transmission grating layer. A platen overlays said quarter wavelength retarder layer; a polarization-rotating reflecting layer overlaying said first transmission grating layer. An input coupler for directing light from said light source into said light guide and an output coupler for extracting light out of said light guide towards said detector are also provided.

The present disclosure relates to a touch sensing apparatus including a frame (2) comprising a first frame profile (21), a second frame profile (22), a third frame profile (23), and a fourth frame profile (24), wherein the first frame profile (21) and the second frame profile (22) form long sides of the frame (2), and the third frame profile (23) and the fourth frame profile form short sides of the frame (2), a front cover (3) arranged on the frame (2), the front cover (3) having a front surface (3a) and a rear surface, a display panel arranged on the frame (2), and a plurality of detectors arranged on first frame profile (21), and a plurality of emitters arranged on the second frame profile (22), wherein at least a portion of the first frame profile (21) and at least a portion of the second frame profile (22) are adapted to act on the front cover (3) with a force in a first direction parallel with a normal of the front surface (3a) of the front cover (3), and wherein at least a portion of the third frame profile (23) and at least a portion of the fourth frame profile (24) are adapted to act on the front cover (3) with a force in a second direction, opposite the first direction.

The present disclosure relates to a touch sensing apparatus including a frame (2) comprising a first frame profile (21), a second frame profile (22), a third frame profile (23), and a fourth frame profile (24), wherein the first frame profile (21) and the second frame profile (22) form long sides of the frame (2), and the third frame profile (23) and the fourth frame profile form short sides of the frame (2), a front cover (3) arranged on the frame (2), the front cover (3) having a front surface (3a) and a rear surface, a display panel arranged on the frame (2), and a plurality of detectors arranged on first frame profile (21), and a plurality of emitters arranged on the second frame profile (22), wherein at least a portion of the first frame profile (21) and at least a portion of the second frame profile (22) are adapted to act on the front cover (3) with a force in a first direction parallel with a normal of the front surface (3a) of the front cover (3), and wherein at least a portion of the third frame profile (23) and at least a portion of the fourth frame profile (24) are adapted to act on the front cover (3) with a force in a second direction, opposite the first direction.

A flexible electronic device is disclosed. The flexible electronic device includes a flexible substrate and a plurality of light-emitting elements. The flexible substrate includes a deformation portion. The plurality of light-emitting elements are disposed on the deformation portion of the flexible substrate. In a top view, a ratio of an area of the deformation portion to an area of one of the plurality of light-emitting elements is greater than or equal to 53.08 and less than or equal to 1000000.