CHIP LEVEL PACKAGE OF LIGHT-EMITTING DIODE

The application discloses a light-emitting diode chip level package structure including: a permanent substrate having a first surface and a second surface; a first electrode on the first surface; a second electrode on the second surface; an adhesive layer on where the first surface of the permanent substrate is not covered by the first electrode; a growth substrate on the adhesive layer; a patterned semiconductor structure on the growth substrate; a third electrode and a fourth electrode on the patterned semiconductor structure and electrically connect with the patterned semiconductor structure; an electrical connecting structure on the sidewall of the patterned semiconductor structure electrically connecting the third electrode and the fourth electrode with the first electrode; and an insulation layer located on the side wall of the patterned semiconductor structure and between the electrical connecting structure for electrically insulating the patterned semiconductor structure.

Light-emitting device with narrow dominant wavelength distribution and method of making the same

This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

System and method for a MEMS transducer

An embodiment as described herein includes a microelectromechanical system (MEMS) with a first MEMS transducer element, a second MEMS transducer element, and a semiconductor substrate. The first and second MEMS transducer elements are disposed at a top surface of the semiconductor substrate and the semiconductor substrate includes a shared cavity acoustically coupled to the first and second MEMS transducer elements.

SYSTEM AND METHOD FOR A MEMS TRANSDUCER

An embodiment as described herein includes a microelectromechanical system (MEMS) with a first MEMS transducer element, a second MEMS transducer element, and a semiconductor substrate. The first and second MEMS transducer elements are disposed at a top surface of the semiconductor substrate and the semiconductor substrate includes a shared cavity acoustically coupled to the first and second MEMS transducer elements.

Light-emitting device

This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon.

LIGHT-EMITTING DEVICE WITH NARROW DOMINANT WAVELENGTH DISTRIBUTION AND METHOD OF MAKING THE SAME

This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation. 1. A method of manufacturing a light-emitting device with narrow dominant wavelength distribution , comprising the steps of:providing a substrate;forming a plurality of light-emitting stacked layers on the substrate, wherein each of the plurality of light-emitting stacked layers emits a first light having a first dominant wavelength variation; andforming a plurality of wavelength transforming layers on the plurality of light-emitting stacked layers, the plurality of wavelength transforming layers absorbing the first light and emitting a second light having a second dominant wavelength variation, wherein the first dominant wavelength variation is larger than the second dominant wavelength variation.2. The method of claim 1 , wherein the material of the plurality of light-emitting stacked layers comprise a material containing at least one element selected from a group consisting of Al claim 1 , Ga claim 1 , In claim 1 , N claim 1 , P claim 1 , and As.3. The method of claim 1 , wherein the dominant wavelength of the first light is between 390 nm and 430 nm.4. The method of claim 1 , wherein the first light is totally absorbed by the plurality of wavelength transforming layers.5. The method of claim 1 , wherein each of the plurality of ...

Light-emitting device

This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon.

Optical calibration tool

An optical calibration tool includes a first body, a light emitter, a light receiver, a second body, and a light reflecting member. The first body has a first engaging port and a second engaging port. The light emitter and the light receiver are disposed in the first body. The second body has a third engaging port and a channel communicated with each other. The third engaging port is configured to selectively engage one of the first engaging port and the second engaging port. When the third engaging port is engaged with the first engaging port, the light emitter is optically coupled to the light reflecting member. When the third engaging port is engaged with the second engaging port, the light receiver is optically coupled to the light reflecting member.

Vertical ACLED structure

This application related to an opto-electrical device, comprising a first ACLED having a first n-type semiconductor layer, a first light emitting layer, a first p-type semiconductor layer, a first p-type electrode and a first n-type electrode; a second ACLED having a second n-type semiconductor layer, a second light emitting layer, a second p-type semiconductor layer, a second p-type electrode and a second n-type electrode, wherein each of the first ACLED and the second ACLED are vertical stack structure and is connected in anti-parallel manner.

LIGHT-EMITTING DEVICE WITH NARROW DOMINANT WAVELENGTH DISTRIBUTION AND METHOD OF MAKING THE SAME

This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

Sound Transducer with Interdigitated First and Second Sets of Comb Fingers

A sound transducer includes a substrate with a cavity with extending from a first surface of the substrate, a body at least partially covering the cavity and being connected to the substrate by at least one resilient hinge, a first set of comb fingers mounted to the substrate, and a second set of comb fingers mounted to the body. The first set of comb fingers and the second set of comb fingers are interdigitated and configured to create an electrostatic force driving the body in a direction perpendicular to the first surface of the substrate. The body and the at least one resilient hinge are configured for a resonant or a near-resonant excitation by the electrostatic force. 1. A sound reproduction system comprising:an electrostatic sound transducer comprising a membrane structure and an electrode structure; anda controller configured to receive an input signal representing a sound to be reproduced and to generate a control signal for the electrostatic sound transducer, the controller being configured to generate a modulation signal on a basis of the input signal and to amplitude-modulate a carrier signal having a frequency substantially at a resonance frequency of the electrostatic sound transducer.2. The sound reproduction system according to claim 1 , wherein low-amplitude sections in the input signal are converted to sections in the modulation signal that have a minimum amplitude so that a amplitude modulated carrier signal oscillates with at least the minimum amplitude.3. The sound reproduction system according to claim 1 , wherein the controller comprises a de-expander for generating the modulation signal on the basis of the input signal.4. A method for operating a sound transducer claim 1 , the method comprising:generating a carrier signal having a carrier signal frequency;amplitude-modulating the carrier signal with a control signal that is based on an input signal representing a sound signal to be transduced by the sound transducer, wherein amplitude- ...

Chip level package of light-emitting diode

The application discloses a light-emitting diode chip level package structure including: a permanent substrate having a first surface and a second surface; a first electrode on the first surface; a second electrode on the second surface; an adhesive layer on where the first surface of the permanent substrate is not covered by the first electrode; a growth substrate on the adhesive layer; a patterned semiconductor structure on the growth substrate; a third electrode and a fourth electrode on the patterned semiconductor structure and electrically connect with the patterned semiconductor structure; an electrical connecting structure on the sidewall of the patterned semiconductor structure electrically connecting the third electrode and the fourth electrode with the first electrode; and an insulation layer located on the side wall of the patterned semiconductor structure and between the electrical connecting structure for electrically insulating the patterned semiconductor structure.

Light-emitting device with narrow dominant wavelength distribution and method of making the same

This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

System and Method for a MEMS Transducer

An embodiment as described herein includes a microelectromechanical system (MEMS) with a first MEMS transducer element, a second MEMS transducer element, and a semiconductor substrate. The first and second MEMS transducer elements are disposed at a top surface of the semiconductor substrate and the semiconductor substrate includes a shared cavity acoustically coupled to the first and second MEMS transducer elements. 1. A microelectromechanical system (MEMS) comprising:a first MEMS transducer element;a second MEMS transducer element; anda semiconductor substrate comprising a shared cavity, wherein the first MEMS transducer element and the second MEMS transducer element are disposed at a top surface of the semiconductor substrate and are acoustically coupled to the shared cavity.2. The MEMS of claim 1 , further comprising:an amplifier having input terminals coupled to the first and second MEMS transducer elements, and having output terminals configured to provide a differential output signal; anda bias generator coupled to the first and second MEMS transducer elements.3. The MEMS of claim 2 , wherein the bias generator comprises:a first bias generator coupled to the first MEMS transducer element and configured to provide a first bias voltage; anda second bias generator coupled to the second MEMS transducer element and configured to provide a second bias voltage.4. The MEMS of claim 2 , wherein the amplifier and the bias generator are disposed on an integrated circuit (IC) and are electrically coupled to the first and second MEMS transducer elements.5. The MEMS of claim 2 , wherein the amplifier and the bias generator are integrated on the substrate.6. The MEMS of claim 1 , wherein the first MEMS transducer element comprises a plurality of first MEMS transducer elements and the second MEMS transducer element comprises a plurality of second MEMS transducer elements.7. The MEMS of claim 1 , further comprising a single sound port coupled to the shared cavity.8. A ...

Light-emitting device

This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon.

Method and apparatus for etching a deep trench

A method for plasma etching a trench in a semiconductor substrate using a plurality of processing cycles comprising plasma etch and deposition periods, wherein a substrate bias power is pulsed during the etch periods.

LIGHT-EMITTING DEVICE

This application relates to a light-emitting device comprising a light channel having an upper surface, a lower surface opposite to the upper surface, an inner surface intersecting with each of the upper and lower surface by different angles, and an escape surface; and a light-emitting element having a bottom surface substantially parallel to the inner surface and emitting light traveling inside the light channel toward the escape surface. In an embodiment, the escape surface of the light-emitting device is an inclined plane with lens array thereon.

Display apparatus having an array-type light-emitting device

The application discloses an array-type light-emitting device comprising a substrate, a semiconductor light-emitting array formed on the substrate and emitting a first light with a first spectrum, wherein the semiconductor light-emitting array comprises a first light-emitting unit and a second light-emitting units, a first wavelength conversion layer formed on the first light-emitting unit for converting the first light into a third light with a third spectrum, and a circuit layer connecting the first light-emitting unit and the second light-emitting unit in a connection form to make the first light-emitting and the second light-emitting unit light alternately in accordance with a predetermined clock when driving by a power supply.

Sound transducer with interdigitated first and second sets of comb fingers

A sound transducer includes a substrate with a cavity with extending from a first surface of the substrate, a body at least partially covering the cavity and being connected to the substrate by at least one resilient hinge, a first set of comb fingers mounted to the substrate, and a second set of comb fingers mounted to the body. The first set of comb fingers and the second set of comb fingers are interdigitated and configured to create an electrostatic force driving the body in a direction perpendicular to the first surface of the substrate. The body and the at least one resilient hinge are configured for a resonant or a near-resonant excitation by the electrostatic force.

Array-type light-emitting device and apparatus thereof

The application discloses an array-type light-emitting device comprising a substrate, a semiconductor light-emitting array formed on the substrate and emitting a first light with a first spectrum, wherein the semiconductor light-emitting array comprises a first light-emitting unit and a second light-emitting units, a first wavelength conversion layer formed on the first light-emitting unit for converting the first light into a third light with a third spectrum, and a circuit layer connecting the first light-emitting unit and the second light-emitting unit in a connection form to make the first light-emitting and the second light-emitting unit light alternately in accordance with a predetermined clock when driving by a power supply.

Display device brightness controls

In some examples, the disclosure describes a device that includes a first light sensor to determine a first quantity of light at a first location; a second light sensor to determine a second quantity of light at a second location; a display device to display images; a processor; and a non-transitory memory resource storing machine-readable instructions stored thereon that, when executed, cause the processor to: determine when a difference between the first quantity of light and the second quantity of light device exceeds a threshold quantity, select a light sensor from the first light sensor and the second light sensor based on the first quantity of light received by the first light sensor and the second quantity of light received by the second light sensor, and alter a brightness of the display device based on the selected light sensor.

Sound transducer with interdigitated first and second sets of comb fingers

A sound transducer includes a substrate with a cavity with extending from a first surface of the substrate, a body at least partially covering the cavity and being connected to the substrate by at least one resilient hinge, a first set of comb fingers mounted to the substrate, and a second set of comb fingers mounted to the body. The first set of comb fingers and the second set of comb fingers are interdigitated and configured to create an electrostatic force driving the body in a direction perpendicular to the first surface of the substrate. The body and the at least one resilient hinge are configured for a resonant or a near-resonant excitation by the electrostatic force.

Vertical ACLED structure

This application related to an opto-electrical device, comprising a first ACLED having a first n-type semiconductor layer, a first light emitting layer, a first p-type semiconductor layer, a first p-type electrode and a first n-type electrode; a second ACLED having a second n-type semiconductor layer, a second light emitting layer, a second p-type semiconductor layer, a second p-type electrode and a second n-type electrode, wherein each of the first ACLED and the second ACLED are vertical stack structure and is connected in anti-parallel manner.

System and method for a mems transducer

An embodiment as described herein includes a microelectromechanical system (MEMS) with a first MEMS transducer element, a second MEMS transducer element, and a semiconductor substrate. The first and second MEMS transducer elements are disposed at a top surface of the semiconductor substrate and the semiconductor substrate includes a shared cavity acoustically coupled to the first and second MEMS transducer elements.

Sound Transducer with Interdigitated First and Second Sets of Comb Fingers

A sound transducer includes a substrate with a cavity with extending from a first surface of the substrate, a body at least partially covering the cavity and being connected to the substrate by at least one resilient hinge, a first set of comb fingers mounted to the substrate, and a second set of comb fingers mounted to the body. The first set of comb fingers and the second set of comb fingers are interdigitated and configured to create an electrostatic force driving the body in a direction perpendicular to the first surface of the substrate. The body and the at least one resilient hinge are configured for a resonant or a near-resonant excitation by the electrostatic force.

ARRAY-TYPE LIGHT-EMITTING DEVICE AND APPARATUS THEREOF

The application discloses an array-type light-emitting device comprising a substrate, a semiconductor light-emitting array formed on the substrate and emitting a first light with a first spectrum, wherein the semiconductor light-emitting array comprises a first light-emitting unit and a second light-emitting units, a first wavelength conversion layer formed on the first light-emitting unit for converting the first light into a third light with a third spectrum, and a circuit layer connecting the first light-emitting unit and the second light-emitting unit in a connection form to make the first light-emitting and the second light-emitting unit light alternately in accordance with a predetermined clock when driving by a power supply. 1. A display apparatus , comprising:a liquid crystal module;a color filter module; anda light-emitting device configured to emit light passing through the liquid crystal module and the color filter module, and comprising:a substrate;a first light-emitting unit;a second light-emitting unit;a trench physically separating the first light-emitting unit from the second light-emitting unit on the substrate; andan electric circuit layer connecting the first light-emitting unit with the second light-emitting unit on the substrate.2. The display apparatus of claim 1 , wherein the substrate is a growth substrate.3. The display apparatus of claim 1 , wherein each of the first light-emitting unit and the second light-emitting unit comprises a layer epitaxially grown on the substrate.4. The display apparatus of claim 1 , wherein the light-emitting device further comprises an insulating layer between the electric circuit layer and the first light-emitting unit.5. The display apparatus of claim 1 , wherein the light-emitting device further comprises an insulating layer between the electric circuit layer and the substrate.6. The display apparatus of claim 1 , wherein the light-emitting device further comprises an insulating layer covering the first light ...

PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING A PRINTED CIRCUIT BOARD

A printed circuit board is disclosed. The printed circuit board includes a solder mask area and at least one chip attachment area. The at least one chip attachment area has an isolation solder mask layer such that the chip attachment area forms a plurality of chip sub-attachment areas to reduce an area of a solder paste smeared on the chip attachment area, and the isolation solder mask layer has at least one hole. 1. A printed circuit board used for setting at least one chip , the printed circuit board comprising a copper foil substrate and at least one hole , wherein the copper foil substrate comprises a surface of the substrate , the surface of the substrate comprising:a solder mask area, which has a main solder mask layer; andat least one chip attachment area, which allows at least one chip to be mounted; the at least one chip attachment area has an isolation solder mask layer used to divide the at least one chip attachment area into a plurality of chip sub-attachment areas; each of the chip sub-attachment areas has a sub-attachment area solder paste layer used to connect to the at least one chip, wherein the at least one hole is located in the isolation solder mask layer.2. The printed circuit board as claimed in claim 1 , wherein the surface of the substrate comprises a plurality of pin areas claim 1 , and each pin area has a pin area solder paste layer.3. The printed circuit board as claimed in claim 1 , wherein the shape of the top view of the isolation solder mask layer is substantially a cross.4. The printed circuit board as claimed in claim 1 , wherein the top view shape of the isolation solder mask layer is substantially a form of intersecting parallel lines.5. The printed circuit board as claimed in claim 2 , wherein the number of the at least one holes is plural claim 2 , and the distances between the holes are substantially equal.6. A method for manufacturing a printed circuit board claim 2 , comprising the following steps:setting at least one hole in ...

Light-emitting device with narrow dominant wavelength distribution and method of making the same

This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.

ARRAY-TYPE LIGHT-EMITTING DEVICE AND APPARATUS THEREOF

The application discloses an array-type light-emitting device comprising a substrate, a semiconductor light-emitting array formed on the substrate and emitting a first light with a first spectrum, wherein the semiconductor light-emitting array comprises a first light-emitting unit and a second light-emitting units, a first wavelength conversion layer formed on the first light-emitting unit for converting the first light into a third light with a third spectrum, and a circuit layer connecting the first light-emitting unit and the second light-emitting unit in a connection form to make the first light-emitting and the second light-emitting unit light alternately in accordance with a predetermined clock when driving by a power supply. 1. A semiconductor light-emitting device comprising:a growth substrate;a plurality of light-emitting cells arranged on the growth substrate and defining a light-emitting region, each light-emitting cell of the plurality of light-emitting cells including a top surface, a side surface, a first-conductivity-type semiconductor layer, a second-conductivity-type semiconductor layer, an active layer disposed between the first-conductivity-type semiconductor layer and the second-conductivity-type semiconductor layer to emit a blue light;an electrical circuit layer having a first end point directly contacted to one cell and a second end point directly contacted to another one cell at different elevations; anda wavelength conversion structure disposed on the light-emitting region to generate light, and including a red wavelength conversion layer, and a green wavelength conversion layer and separated from the red wavelength conversion layer;wherein the light comprises a red light, a green light, and a yellow light.2. The semiconductor light-emitting device of claim 1 , wherein the light-emitting region has a portion not covered by the wavelength conversion structure.3. The semiconductor light-emitting device of claim 1 , wherein the wavelength ...

Optical calibration tool

An optical calibration tool includes a first body, a light emitter, a light receiver, a second body, and a light reflecting member. The first body has a first engaging port and a second engaging port. The light emitter and the light receiver are disposed in the first body. The second body has a third engaging port and a channel communicated with each other. The third engaging port is configured to selectively engage one of the first engaging port and the second engaging port. When the third engaging port is engaged with the first engaging port, the light emitter is optically coupled to the light reflecting member. When the third engaging port is engaged with the second engaging port, the light receiver is optically coupled to the light reflecting member.

Method and apparatus for etching a deep trench

A method for plasma etching a trench in a semiconductor substrate using a plurality of processing cycles comprising plasma etch and deposition periods, wherein a substrate bias power is pulsed during the etch periods.

Light-emitting device with narrow dominant wavelength distribution and method of making the same

Cable connector

光学補正ツール

【課題】光学補正ツールを提供する。 【解決手段】第１の継ぎ目及び第２の継ぎ目を有する第１の本体と、第１の本体内に設けられる光送信機と、第１の本体内に設けられる光受信機と、互いに連通する第３の継ぎ目及び通路を有し、第３の継ぎ目が選択的に第１の継ぎ目と第２の継ぎ目の一方に接続されるように配置される第２の本体と、通路内に設けられる光反射素子と、を含み、第３の継ぎ目が第１の継ぎ目に接続される場合、光送信機は光反射素子に光学的に結合され、且つ第３の継ぎ目が第２の継ぎ目に接続される場合、光受信機は光反射素子に光学的に結合される。 【選択図】図２Ａ

Optical calibration tool

An optical calibration tool includes a first body, a light emitter, a light receiver, a second body, and a light reflecting member. The first body has a first engaging port and a second engaging port. The light emitter and the light receiver are disposed in the first body. The second body has a third engaging port and a channel communicated with each other. The third engaging port is configured to selectively engage one of the first engaging port and the second engaging port. When the third engaging port is engaged with the first engaging port, the light emitter is optically coupled to the light reflecting member. When the third engaging port is engaged with the second engaging port, the light receiver is optically coupled to the light reflecting member.

Optical calibration tool