A colour conversion resonator system, comprising: a first partially reflective region configured to transmit light of a first primary peak wavelength and to reflect light of a second primary peak wavelength; a second partially reflective region configured to at least partially transmit light of the first and second primary peak wavelengths and to reflect light of a third primary peak wavelength; a third partially reflective region configured to at least partially reflect light with the third primary peak wavelength; a first colour conversion resonator cavity arranged to receive input light with the first primary peak wavelength through the first partially reflective region and to convert at least some of the light of the first primary peak wavelength to provide light of the second primary peak wavelength, wherein the first colour conversion resonator cavity is arranged such that the second primary peak wavelength resonates in the first colour conversion resonator cavity and resonant light with the second primary peak wavelength is output through the second partially reflective region; and a second colour conversion resonator cavity arranged to receive input light comprising the second primary peak wavelength through the second partially reflective region and to convert at least some of the second primary peak wavelength to provide light of the third primary peak wavelength, wherein the second colour conversion resonator cavity is arranged such that the third primary peak wavelength resonates in the second colour conversion resonator cavity and resonant light with the third primary peak wavelength is output through the third partially reflective region, wherein the first colour conversion resonator cavity and the second resonator cavity are arranged partially to overlap to provide a non-overlapping portion and an overlapping portion thereby to define a first light emitting surface and a second light emitting surface respectively, wherein the first light emitting surface is arranged to provide resonant light of the second primary peak wavelength and the second light emitting surface is arranged to provide resonant light of the third primary peak wavelength.

The present disclosure provides a display device and a method for operating the display device. The display device includes a night vision mode and a normal mode, and the display device includes a plurality of visible light display units and a plurality of invisible light display units. The method includes driving the visible light display units and turning off the invisible light display units in the normal mode, and driving the invisible light display units and turning off the visible light display units in the night vision mode.

A display device includes a first panel having a first display portion. The first panel includes first units disposed in the first display portion. The first unit includes a pixel region including a first sub-pixel region, a second sub-pixel region, a third sub-pixel region, a fourth sub-pixel region, a fifth sub-pixel region and a sixth sub-pixel region, wherein the first sub-pixel region is electrically connected to the second sub-pixel region, the third sub-pixel region is electrically connected to the fourth sub-pixel region, and the fifth sub-pixel region is electrically connected to the sixth sub-pixel region. The first sub-pixel region, the third sub-pixel region and the fifth sub-pixel region have an arrangement sequence in a first direction, and the second sub-pixel region, the fourth sub-pixel region and the sixth sub-pixel region have the arrangement sequence in a direction opposite to the first direction.

An electronic device including a substrate, an insulation layer, a first organic portion, a shielding structure, and a first optical unit is provided. The insulation layer is disposed on the substrate and includes a first opening. The first organic portion is disposed in the first opening of the insulation layer. The shielding structure is disposed on the insulation layer and includes a retaining wall and a first opening. The first optical unit is disposed in the first opening of the shielding structure. The retaining wall of the shielding structure overlaps with the first opening of the insulation layer.

An electronic device including a substrate, an insulation layer, a first organic portion, a shielding structure, and a first optical unit is provided. The insulation layer is disposed on the substrate and includes a first opening. The first organic portion is disposed in the first opening of the insulation layer. The shielding structure is disposed on the insulation layer and includes a retaining wall and a first opening. The first optical unit is disposed in the first opening of the shielding structure. The retaining wall of the shielding structure overlaps with the first opening of the insulation layer.

A sensor, a device, a system, and a method, for biometric sensing, are provided. Such a device or system includes a micro heater and a micro temperature sensor for at least active thermal sensing, which may comprise an oxide semiconductor material. The micro heater and the micro temperature sensor may be separate or combined in one pixel. The present disclosure also provides an out-cell type or an in-cell type of biometric sensor on display device, for example, an out-cell type or an in-cell type fingerprint sensor on display (FoD) device. The pixels for active thermal sensing include an oxide semiconductor material. The methods of making and the methods of using the sensors, the devices, or the system are also provided.

A sensor, a device, a system, and a method, for biometric sensing, are provided. Such a device or system includes a micro heater and a micro temperature sensor for at least active thermal sensing, which may comprise an oxide semiconductor material. The micro heater and the micro temperature sensor may be separate or combined in one pixel. The present disclosure also provides an out-cell type or an in-cell type of biometric sensor on display device, for example, an out-cell type or an in-cell type fingerprint sensor on display (FoD) device. The pixels for active thermal sensing include an oxide semiconductor material. The methods of making and the methods of using the sensors, the devices, or the system are also provided.

Embodiments are directed to electronic devices that include a behind-display imaging device and at least one birefringent layer positioned between the behind-display imaging device and a cover layer of the electronic device. In some instances, the birefringent layer(s) may be configured to obscure the presence of light-transmitting regions of the display in an imaging region of the display. Additionally or alternatively, the birefringent layer(s) may help to reduce image artifacts in images captured by the imaging device.

Provided is a display device configured to be stretched, the display device including a display panel having a non-display area, and a display area inside the non-display area in plan view, and having pixel groups repeatedly arranged in a first direction and a second direction and including pixels in a first sub-pixel group and a second sub-pixel group, the pixels being configured to emit light or not to emit light when the display device is in a stretched state such that a number of light-emitting pixels of the pixels increases as a degree of stretching of the display device increases, and ones of the pixels in the first sub-pixel group or in the second sub-pixel group being configured to emit light when the display device is in a non-stretched state.

A display device includes: a cover window; a display panel on the cover window; a panel bottom member on the display panel; and an adhesive unit on at least one of the cover window or the panel bottom member. The adhesive unit includes a plurality of adhesive members spaced from one another in a direction to have spaces between the adhesive members.