H10H20/034

Optoelectronic component and method of producing an optoelectronic component

An optoelectronic component includes at least one inorganic optoelectronically active semiconductor component having an active region that emits or receives light during operation, and a sealing material directly applied by atomic layer deposition, wherein the semiconductor component is applied on a carrier, the carrier includes electrical connection layers, the semiconductor component electrically connects to one of the electrical connection layers via an electrical contact element, and the sealing material completely covers in a hermetically impermeable manner and directly contacts all exposed surfaces including sidewall and bottom surfaces of the semiconductor component and the electrical contact element and all exposed surfaces of the carrier apart from an electrical connection region of the carrier.

Vertical type light emitting device having transparent electrode and method of manufacturing the same

Provided is a vertical type light emitting device and a method of manufacturing the same. A transparent electrode having high transmittance with respect to light in the entire range and constructed by using a resistance change material of which resistance state is to be changed from a high resistance state to a low resistance state if a voltage exceeding a threshold voltage inherent in a material is applied so that conducting filaments are formed is formed between an electrode pad and a semiconductor layer of a light emitting device. The transparent electrode has high transmittance with respect to the light in a UV wavelength range as well as in a visible wavelength range generated in the light emitting device. Since the conductivity of the transparent electrode is heightened due to the formation of the conducting filaments, the transparent electrode has good ohmic contact characteristic with respect to a semiconductor layer.

Semiconductor device, method for manufacturing same, light-emitting diode, and method for manufacturing same

A semiconductor device is disclosed, and the semiconductor device comprises: a semiconductor layer; and a transparent electrode which is formed from a resistance switching material and is formed on one side of the semiconductor layer, wherein the transparent electrode includes a channel on which an electron is capable of hopping and a conductive path formed by applying a voltage that is a threshold voltage or more, and the threshold voltage for forming the conductive path is lowered by the channel.

METHOD OF MANUFACTURING DISPLAY DEVICE
20170263806 · 2017-09-14 ·

To provide a method of manufacturing a display device having an excellent impact resistance property with high yield, in particular, a method of manufacturing a display device having an optical film that is formed using a plastic substrate. The method of manufacturing a display device includes the steps of: laminating a metal film, an oxide film, and an optical filter on a first substrate; separating the optical filter from the first substrate; attaching the optical filter to a second substrate; forming a layer including a pixel on a third substrate; and attaching the layer including the pixel to the optical filter.

Light-emitting element
09755103 · 2017-09-05 · ·

A light-emitting element, a light-emitting element unit and a light-emitting element package are provided, which are each reduced in reflection loss and intra-film light absorption by suppressing multiple light reflection in a transparent electrode layer and hence have higher luminance. The light-emitting element 1 includes a substrate 2, an n-type nitride semiconductor layer 3, a light-emitting layer 4, a p-type nitride semiconductor layer 5, a transparent electrode layer 6 and a reflective electrode layer 7, and the transparent electrode layer 6 has a thickness T satisfying the following expression (1): 3 4 n + 0.30 ( 4 n ) T 3 4 n + 0.45 ( 4 n ) ( 1 )
wherein is the light-emitting wavelength of the light-emitting element 4, and n is the refractive index of the transparent electrode layer 6.

Light-emitting device and light emitting device package having the same
09741903 · 2017-08-22 · ·

The light-emitting element provides: a light-emitting structure, which comprises a first conductive semiconductor layer, an active layer under the first conductive semiconductor layer, and a second conductive semiconductor layer under the active layer. A first electrode is disposed under a first region under the light-emitting structure and electrically connected to the second conductive semiconductor layer; a second electrode disposed under a second region under the light-emitting structure and electrically connected to the first conductive semiconductor layer. A connection electrode is connected the second electrode with the first conductive semiconductor layer. An insulating layer is disposed between the first and second electrodes; a first protective layer is disposed around the lower circumference of the light-emitting structure; and a second protective layer is disposed between the insulating layer and the light-emitting structure.

SOLID STATE LIGHTING DEVICES WITH IMPROVED CONTACTS AND ASSOCIATED METHODS OF MANUFACTURING
20170236976 · 2017-08-17 ·

Solid state lighting (SSL) devices with improved contacts and associated methods of manufacturing are disclosed herein. In one embodiment, an SSL device includes an SSL structure having a first semiconductor material, a second semiconductor material spaced apart from the first semiconductor material, and an active region between the first and second semiconductor materials. The SSL device also includes a first contact on the first semiconductor material and a second contact on the second semiconductor material, where the first and second contacts define the current flow path through the SSL structure. The first or second contact is configured to provide a current density profile in the SSL structure based on a target current density profile.

Optoelectronic device comprising a light-emitting diode

The invention relates to a method of manufacturing optoelectronic devices including light-emitting diodes, including the steps of: a) forming a first integrated circuit chip including light-emitting diodes; b) bonding a second integrated chip to a first surface of the first chip; c) decreasing the thickness of the first chip on the side opposite to the first surface to form a second surface opposite to the first surface; d) bonding, to the second surface, a cap including a silicon wafer provided with recesses opposite the light-emitting diodes; e) decreasing the thickness of the second chip; f) decreasing the thickness of the silicon wafer before step d) or after step e), each recess being filled with a photoluminescent material; and g) sawing the structure obtained at step f) into a plurality of separate optoelectronic devices.

PROTECTIVE CAPPING LAYER FOR SPALLED GALLIUM NITRIDE

Described herein is a method for manufacturing a stack of semiconductor materials in which a growth substrate is separated from the stack after a semiconductor material, e.g., a Group III nitride semiconductor material, is grown on the substrate. The separation is effected in a spalling procedure in which spalling-facilitating layers are deposited over a protective cap layer that is formed over the Group III-nitride semiconductor material. Such spalling-facilitating layers may include a handle layer, a stressor layer, and an optional adhesion layer. The protective cap layer protects the Group III-nitride from being damaged by the depositing of one or more of the spalling-facilitating layers. After spalling to remove the growth substrate, additional processing steps are taken to provide a semiconductor device that includes undamaged semiconductor material. In one arrangement, the semiconductor material is GaN and includes p-doped GaN region that was undamaged during manufacturing.

Optoelectronic semiconductor element, optoelectronic semiconductor device and method for producing a plurality of optoelectronic semiconductor elements

An optoelectronic semiconductor element may include at least one LED chip which emits infrared radiation via a top side during operation. The radiation has a global intensity maximum at wavelengths between 800 nm and 1100 nm. The radiation has, at most 5% of the intensity of the intensity maximum at a limit wavelength of 750 nm. The radiation has a visible red light component. The semiconductor element may further include a filter element, which is arranged directly or indirectly on the top side of the LED chip and which has a transmissivity of at most 5% for the visible red light component of the LED chip, wherein the transmissivity of the filter element is at least 80%, at least in part, for wavelengths between the limit wavelength and 1100 nm, and a radiation exit surface provided for emitting the filtered radiation.