An electronic device includes a first substrate, a first circuit layer, a semiconductor chip, and a transparent conductive layer. The first circuit layer is disposed on the first substrate. The semiconductor chip is disposed on the first substrate and electrically connected to the first circuit layer. The semiconductor chip includes a semiconductor die, a filling layer, and a reflective layer. The semiconductor die has a surface and another surface opposite to the surface. The filling layer surrounds the semiconductor die. The reflective layer is disposed on the filling layer and the semiconductor die. The reflective layer includes a first part and a second part. The first part is disposed on the surface of the semiconductor die. The second part is disposed on the filling layer. The conductive layer is disposed on the another surface of the semiconductor die and connects to the second part.

A light-emitting device that emits output light, is a light-emitting device that includes: a light-emitting element that emits a primary light; and a wavelength converter that converts at least a portion of the primary light into a secondary light. The output light includes at least a portion of the secondary light. The output light has a light intensity greater than or equal to a predetermined value throughout an entire wavelength range of from 750 nm to 900 nm, inclusive. A ratio of a light intensity of the output light at 900 nm to a light intensity of the output light at 750 nm is greater than or equal to 0.2 and less than 3.0. The output light has a spectral luminosity of at least 0.1 lm/W and at most 10 lm/W.

Disclosed are a display substrate, driving method and a display device. The display substrate includes: a substrate base including a first display area and a second display area; the plurality of light-emitting devices include a plurality of first light-emitting devices in the first display area and a plurality of second light-emitting devices in the second display area, and the density of the plurality of first light-emitting devices in the first display area is less than or equal to that of the plurality of second light-emitting devices in the second display area; and the plurality of ambient sensors are in the first display area and below at least part of the first light-emitting devices, and the orthographic projections of the ambient sensor on the substrate base covers and is greater than the orthographic projections of the corresponding first light-emitting devices on the substrate base.

A light filtering material including at least one matrix material; and semi-conductive nanoparticles which are dispersed in the matrix material. The light filtering material has: a local maximum absorbance of highest wavelength in the range from 350 to 500 nm, the local maximum has an absorbance value A.sub.max for a wavelength .sub.max; a value of 0.9A.sub.max for a wavelength .sub.0.9, .sub.0.9 being greater than .sub.max; a value of 0.5A.sub.max for a wavelength .sub.0.5, .sub.0.5 being greater than .sub.0.9; and |.sub.0.5.sub.0.9| is less than 15 nm.

The display device includes at least one semiconductor light emitting device, a first color conversion pattern, a second color conversion pattern, and a light transmitting pattern. At least one semiconductor light emitting device is arranged on each of the first sub-pixel, the second sub-pixel, and the third sub-pixel. The first color conversion pattern is arranged on at least one semiconductor device corresponding to the first sub-pixel and includes first color conversion particles. The second color conversion pattern is arranged on at least one semiconductor device corresponding to the second sub-pixel and includes second color conversion particles. The light transmitting pattern is arranged on at least one semiconductor device corresponding to the third sub-pixel. The area of the first color conversion pattern, the area of the second color conversion pattern, and the area of the light transmitting pattern are different.

A chip structure includes a chip wafer unit and a color conversion substrate unit disposed on a light-exit side of the chip wafer unit. The chip wafer unit includes a light-emitting layer and an electrode layer sequentially stacked in a first direction. The light-emitting layer includes light-emitting portions. Each light-emitting portion includes at least two light-emitting sub-portions. The electrode layer includes a cathode, connection electrodes, and anodes in one-to-one correspondence with the light-emitting portions. The at least two light-emitting sub-portions are sequentially connected through at least one connection electrode. Among the at least two light-emitting sub-portions sequentially connected, a first one light-emitting sub-portion is a first selected light-emitting sub-portion, and a last one light-emitting sub-portion is a second selected light-emitting sub-portion. The first selected light-emitting sub-portion is connected to the cathode, and the second selected light-emitting sub-portion is connected to an anode.

Provided are a display panel and a display device. The display panel includes a first display region and a second display region, where the second display region surrounds at least part of the first display region. The display panel includes a light-emitting layer and an optical filter layer, where the light-emitting layer includes multiple light-emitting units, the optical filter layer includes multiple optical filter structures, and the multiple light-emitting units are arranged corresponding to the multiple optical filter structures. The multiple optical filter structures include a first optical filter structure located in the first display region and a second optical filter structure located in the second display region, where the first optical filter structure includes a first color resist unit, and the second optical filter structure includes a second color resist unit.

A display device includes a bank including an opening defining pixels, light emitting elements disposed in the pixels, a color conversion layer disposed on the light emitting elements in the opening, a capping layer overlapping the color conversion layer, and a color filter layer disposed on the capping layer. The color filter layer includes a low refractive material.

A display device capable of more efficiently taking out light transmitted through a wavelength conversion layer is provided. The display device includes, at least, a light source provided in each of a first pixel and a second pixel and configured to emit light of a first wavelength, a first wavelength conversion layer formed in the first pixel and configured to convert the light of the first wavelength into light of a second wavelength, a second wavelength conversion layer formed in the second pixel and configured to convert the light of the first wavelength into light of a third wavelength different from the second wavelength, a first color filter provided in the first pixel and configured to selectively transmit the light of the second wavelength, a second color filter provided in the second pixel and configured to selectively transmit the light of the third wavelength, and a plurality of nano members on which the light of the second wavelength and the light of the third wavelength are incident, and wherein the plurality of nano members include a high refractive index dielectric, and wherein the plurality of nano members are arranged in the first pixel in a first periodic distance, and wherein the plurality of nano members are arranged in the second pixel in a second periodic distance different from the first periodic distance.

A light-emitting module includes light source units arranged in a first direction and in a second direction orthogonal to the first direction. Each of the light source units includes at least one light-emitting element and a light-transmissive member covering the light-emitting element and having a lateral surface from which light from the light-emitting element is emitted. In a top view, on a normal line passing through a center of the lateral surface being Mth in the first direction and Nth in the second direction, the lateral surface being (M+1)th in the first direction and {N+L (where L is a natural number greater than or equal to 2)}th in the second direction is positioned, while no light source unit is present between the light source unit being the Nth in the second direction and the light source unit being the (N+L)th in the second direction on the normal line.