The present disclosure related to a visible light communication apparatus, comprising a substrate; a TFT structure layer on the substrate; a photoelectric conversion component on a source or a drain of the TFT structure layer; and a light-emitting component on the substrate. The photoelectric conversion component may be configured to receive an optical signal and convert the optical signal into an electrical signal; and the light-emitting component may be configured to emit an optical signal.

Various embodiments of a die carrier package and a method of forming such package are disclosed. The package includes one or more dies disposed within a cavity of a carrier substrate, where a first die contact of one or more of the dies is electrically connected to a first die pad disposed on a recessed surface of the cavity, and a second die contact of one or more of the dies is electrically connected to a second die pad also disposed on the recessed surface. The first and second die pads are electrically connected to first and second package contacts respectively. The first and second package contacts are disposed on a first major surface of the carrier substrate adjacent the cavity.

A display substrate, a display apparatus, and a manufacturing method for the display substrate are provided. The display substrate includes: a substrate and a plurality of pixel units arranged in an array on the substrate; the pixel unit includes a light emitting diode, a connecting metal pattern, and a thin film transistor arranged in sequence along a direction away from the substrate; the connecting metal pattern is conductively connected to a top electrode of the light emitting diode; an active layer of the thin film transistor is insulated and spaced from the connecting metal pattern, and the drain of the thin film transistor is conductively connected to the connecting metal pattern.

A photo sensor circuit includes: a photo transistor; a first switching transistor; a second switching transistor; and a capacitance element. The photo transistor includes: a gate connected to a first wiring; a source connected to a second wiring; and a drain. The first switching transistor includes: a gate connected to a third wiring; a source connected to a fourth wiring; and a drain connected to the drain of the photo transistor. The capacitance element includes: a first terminal connected to the drain of the photo transistor; and a second terminal connected to the source of the first switching transistor. The second switching transistor includes: a gate connected to a gate line; a source connected to a signal line; and a drain connected to the first terminal of the capacitance element. The photo transistor, first switching transistor, and second transistor each include an oxide semiconductor layer as a channel layer.

An energy harvesting electro-optic display is disclosed comprising a photovoltaic cell that converts part of the incident light to electric current or voltage, wherein the electric current or voltage is used for the operation of the electro-optic display upon the conversion or stored in a storage component to be used for the operation of the display.

Systems and methods are provided for wirelessly transferring power to a multi junction photovoltaic cell of a space apparatus via a light emission system. The light emission system uses multiple lasers emitting different wavelengths and/or photon energies to produce electron-hole pairs in each layer of the multi junction photovoltaic cell to prompt power generation by the multi junction photovoltaic cell. The light emission system may be located on Earth or on another space apparatus. The multi junction photovoltaic cell can convert sunlight and the light emitted by the light emission system into electrical energy.

According to one embodiment, a semiconductor device includes: a substrate that has a first surface extending in a first direction and a second direction; a first metal oxide semiconductor field effect transistor (MOSFET) that is provided on the first surface of the substrate; a support base that is provided above the first surface of the substrate and extends in a third direction intersecting the first direction and the second direction; a light receiving element that is in contact with a second surface of the support base facing the first direction; and a light emitting element that is in contact with a third surface of the light receiving element facing the first direction.

According to one embodiment, a semiconductor device includes: a substrate that has a first surface extending in a first direction and a second direction; a first metal oxide semiconductor field effect transistor (MOSFET) that is provided on the first surface of the substrate; a support base that is provided above the first surface of the substrate and extends in a third direction intersecting the first direction and the second direction; a light receiving element that is in contact with a second surface of the support base facing the first direction; and a light emitting element that is in contact with a third surface of the light receiving element facing the first direction.

A housing of a light emission/reception device includes a housing body and a window member. The housing body has an opening and accommodates a light emitting unit having one or more light emitting elements, and a light receiving unit having one or more light receiving elements. The window member covers the opening of the housing body, enables emitted light that is emitted from the light emitting unit to be transmitted therethrough toward the exterior of the housing, and enables incident light from the exterior of the housing to be transmitted therethrough, so that the incident light enters the light receiving unit. Also, the window member is provided with a propagation suppressing member configured to suppress propagation of light within the window member.

A display panel, a method for manufacturing a display panel, and a display device. The display panel includes: a substrate; and a pixel definition layer located on the substrate. The pixel definition layer includes isolation structures and pixel openings; and a nucleation inhibiting layer including first inhibiting units. A first orthographic projection of each of the first inhibiting units on the pixel definition layer covers corresponding one of the pixel openings in the transitional display area; and common electrodes including a first common electrode and a second common electrode, a second orthographic projection of the first common electrode on the pixel definition layer covers the first display area and at least part of an area except for the first orthographic projections in the transitional display area.