Abstract: A phosphor, having a general formula of K2[Si1-xGex]yF6:Mn1-y4+. The phosphor is excited to emit a light having a first main emission peak with a first maximum emission intensity and a first dominant wavelength, wherein a relative emission intensity S of the light of the phosphor is constantly greater than 85% across an temperature of the phosphor between 300 K and 470 K during operation, wherein S=(IT/IRT)*100%, IRT and IT are the first maximum emission intensity when the temperature of the phosphor is at 300 K and T during operation respectively, and 300 K<T?470K.

Abstract: This disclosure discloses an illumination apparatus. The illumination apparatus comprises a cover comprising a second portion and a first portion, and a light source disposed within the cover. An average thickness of the first portion is greater than that of the second portion.

Abstract: A semiconductor device comprises a semiconductor die, comprising a stacking structure, a first bonding pad, and a second bonding pad on a top surface of the stacking structure, wherein a shortest distance between the first bonding pad and the second bonding pad is less than 150 ?m; a carrier comprising a connecting surface; a third bonding pad and a fourth bonding pad on the connecting surface of the carrier; and a conductive connecting layer comprising a current conductive area between the first bonding pad and the third bonding pad and between the second bonding pad and the fourth bonding pad.

Abstract: This disclosure discloses a light-emitting bulb. The light-emitting bulb includes a cover, an electrical associated with the cover, a board arranged between the cover and the electrical connector, and a first light-emitting device disposed on the board. The first light-emitting device includes a carrier having a first side and a second side, a first electrode part disposed near the first side and extending to the second side, a bended part disposed near to the second side and spaced apart from the first electrode part, and a second electrode part extending from the bended part to the first side. No light-emitting diode unit is arranged on the second electrode part.

Abstract: An embodiment of present disclosure discloses a light-emitting device which includes a light-emitting unit, a transparent covering structure, a first reflective structure, a second reflective structure, and a wavelength conversion structure. The light-emitting unit includes a light-emitting surface, a bottom surface opposite to the light-emitting surface, a side surface, a first conductive electrode, and a second conductive electrode. The first conductive electrode and the second conductive electrode are located on the bottom surface. The transparent covering structure covers the light-emitting surface and the side surface. The first reflective structure surrounds the transparent covering structure. The second reflective structure is disposed under the first reflective structure and surrounds the first conductive electrode and the second conductive electrode. The wavelength conversion structure is disposed on the first reflective structure and the transparent covering structure.

Abstract: A light-emitting device includes a light-emitting structure with a side surface, and a reflective layer covering the side surface. The light-emitting structure has a first light-emitting angle and a second light-emitting angle. The difference between the first light-emitting angle and the second light-emitting angle is larger than 15°.

Abstract: This disclosure discloses a light-emitting device. The light-emitting device comprises: a first electrode part; a second electrode part; a third electrode part, spaced apart from the first electrode part and the second electrode part; and a light-emitting unit partially covering the first electrode part and the second electrode part and fully covering the second electrode part, the light-emitting unit having a conductive structure contacting the second electrode part.

Abstract: An embodiment of the present invention discloses a light-emitting device. The light-emitting device includes a light source configured to emit a first light at a first high temperature; and an optical element, distant from the light source, configured to generate a second light in response to an irradiation of the first light, and reach a second high temperature higher than the first high temperature under the irradiation of the first light.

Abstract: An embodiment of the present disclosure discloses a phosphor material and a manufacturing method thereof. The general composition of the phosphor material is A2-xMO4:Eux, wherein A includes a single element or at least two elements selected from the group consisting of Ca, Sr, and Ba, M is Si, Ge or combination thereof, wherein x is greater than 0.01 and 2-x>0. The phosphor material can be excited by a first excitation wavelength and emit a first emission spectrum and, excited by a second excitation wavelength and emit a second emission spectrum. The first excitation wavelength is different from the second excitation wavelength, and the first emission spectrum is different from the second emission spectrum.

Abstract: A phosphor, having a general formula of K2[Si1-xGex]yF6:Mn1-y4+. The phosphor is excited to emit a light having a first main emission peak with a first maximum emission intensity and a first dominant wavelength, wherein a relative emission intensity S of the light of the phosphor is constantly greater than 85% across an temperature of the phosphor between 300 K and 470 K during operation, wherein S=(IT/IRT)*100%, IRT and IT are the first maximum emission intensity when the temperature of the phosphor is at 300 K and T during operation respectively, and 300 K<T?470K.

Abstract: The method includes preparing a plurality of light-emitting units, one of the plurality of light-emitting units comprising an electrode, a light-emitting stack, and a protection layer with a first part covering the electrode and a second part which comprises a portion surrounding the electrode and covers the light-emitting stack; removing the portion without removing the first part; forming a wavelength conversion layer on the first part and the light-emitting stack not covered by the second part; and removing the first part to substantially expose the electrode.

Abstract: A light-emitting device, having an overall color temperature when emitting light, includes a carrier, a first LED unit, and a second LED unit. The carrier has a circuit. The first LED unit is arranged on the carrier and has a first color temperature. The second LED unit is spaced apart from the first LED unit by a space, and electrically connected to first LED unit and the circuit. The first LED unit and the second LED unit, and each includes a light-emitting body and a wavelength conversion layer covering the light-emitting body. The first color temperature is different from the overall color temperature.

Abstract: A light-emitting device, having an overall color temperature when emitting light, includes a carrier, a first LED unit, and a second LED unit. The carrier has a circuit. The first LED unit is arranged on the carrier and has a first color temperature. The second LED unit is spaced apart from the first LED unit by a space, and electrically connected to first LED unit and the circuit. The first LED unit and the second LED unit, and each includes a light-emitting body and a wavelength conversion layer covering the light-emitting body. The first color temperature is different from the overall color temperature.

Abstract: This disclosure discloses a light-emitting device. The light-emitting device includes a light-emitting stack with a first (top) surface, a bottom surface and at least one side surface connected to the first surface and the bottom surface, a light-reflective enclosure with a second (top) surface, a contact electrode formed on the bottom surface of the light-emitting layer, and a wavelength converting layer. Moreover, the light-reflective enclosure surrounds the side surface of the light-emitting stack and exposes to the first surface. The wavelength converting layer covers the first surface and the second surface. In addition, the second surface has a plurality of fine concave structures distributed on the second surface.

Abstract: A method of tuning color temperature of light-emitting device having an overall color temperature, comprising: providing a carrier; disposing at least two LED units on the carrier, wherein there is a space formed between the two LED units, and the overall color temperature of the light-emitting device is positively correlated to the space; and setting a predetermined temperature for the overall color temperature by adjusting the space.

Abstract: This disclosure discloses an illumination apparatus. The illumination apparatus comprises a cover comprising a second portion and a first portion, and a light source disposed within the cover. An average thickness of the first portion is greater than that of the second portion.

Abstract: This disclosure discloses an illumination apparatus. The illumination apparatus comprises an inner cover comprising a top surface having a first length; a pedestal on which the inner cover is disposed comprising a top surface having a second length; and a holder supporting the pedestal; wherein the first length is greater than the second length.

Abstract: This disclosure discloses an illumination apparatus. The illumination apparatus comprises a cover comprising a second portion and a first portion, and a light source disposed within the cover. An average thickness of the first portion is greater than that of the second portion.