Patent application number | Description | Published |
20110295398 | SLICING METHOD FOR RAPID PROTOTYPING APPARATUS - A slicing method for a rapid prototyping apparatus with a printing module is provided, which comprises the following steps: (a) accessing data of plural cut points generated from a slicing plane of an object intersecting with plural grids; (b) determining whether a printing module performs an achromatic color printing or not; (c) if yes, connecting two cut points to form a first slicing outline based on the data of the plural cut points, wherein the cut points are generated from the slicing plane intersecting with each grid; (d) checking whether a discontinuous plane exists in the first slicing outline or not, wherein if yes, cut points are paired with a polar coordinate, a connecting path with a smaller included angle is selected, and the first slicing outline connects with the connecting path to form a closed slicing outline to perform an achromatic inkjet printing in the closed slicing outline. | 12-01-2011 |
20140183632 | Contact Structure Of Semiconductor Device - The invention relates to a contact structure of a semiconductor device. An exemplary structure for a semiconductor device comprises an insulation region over a substrate; a gate electrode layer over the insulation region comprising a gate middle line; a first contact structure over the insulation region adjacent to the gate electrode layer comprising a first middle line, wherein the first middle line and the gate middle line has a first distance; and a second contact structure over the insulation region on a side of the gate electrode layer opposite to the first contact structure comprising a second middle line, wherein the second middle line and the gate middle line has a second distance greater than the first distance. | 07-03-2014 |
20140252477 | FinFET with an Asymmetric Source/Drain Structure and Method of Making Same - Embodiments of the present disclosure are a semiconductor device, a FinFET device, and a method of forming a FinFET device. An embodiment is a semiconductor device comprising a first semiconductor fin extending above a substrate, a first source region on the first semiconductor fin, and a first drain region on the first semiconductor fin. The first source region has a first width and the first drain region has a second width with the second width being different than the first width. | 09-11-2014 |
20150149976 | LAYOUT OF AN INTEGRATED CIRCUIT - A cell layout includes a first metal line for VDD power, which includes a first jog coupling to and being perpendicular to the first metal line. A second metal line is for VSS power, and includes a second jog coupling to and being perpendicular to the second metal line. The cell layout includes an upper cell boundary, a lower cell boundary, a first cell boundary and a second cell boundary. The upper cell boundary and the lower cell boundary extend along X direction. The first cell boundary and the second cell boundary extend along Y direction. The upper cell boundary is defined in a portion of the first metal line. The lower cell boundary is defined in a portion of the second metal line. The first cell boundary is defined in a portion of the first jog and a portion of the second jog. | 05-28-2015 |
Patent application number | Description | Published |
20130292731 | LIGHT-EMITTING DEVICE - A light-emitting device wherein the light-emitting device having a corner, comprising: a light-emitting stacked layer having a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer; a transparent conductive oxide layer formed on the second conductivity type semiconductor layer wherein the upper surface of the transparent conductive oxide layer is a textured surface; a first electrode formed on the upper surface of the transparent conductive oxide layer; a second electrode formed on the first conductivity type semiconductor layer; a planarization layer formed on partial of the transparent conductive oxide layer and the second electrode; and a reflective layer formed on the upper surface of the planarization layer wherein the projection of the edge of the reflective layer is not overlapped with the edge of the first electrode or the second electrode. | 11-07-2013 |
20140195997 | METHOD AND LAYOUT OF AN INTEGRATED CIRCUIT - An integrated circuit layout includes a P-type active region, an N-type active region, a first metal connection, a second metal connection and a plurality of trunks. The plurality of trunks is formed substantially side-by-side, and in parallel with each other. The first metal connection is substantially disposed over the P-type active region, and is electrically connected with drain regions of PMOS transistors in the P-type active region. The second metal connection is substantially disposed over the N-type active region, and is electrically connected with drain regions of NMOS transistors in the N-type active region. The plurality of trunks is electrically connected with and is substantially perpendicular to the first metal connection and the second metal connection. A first trunk of the plurality of trunks has a width wider than a width of other trunks of the plurality of trunks and is arranged to be located between two groups of trunks. | 07-10-2014 |
20140332971 | METHOD AND LAYOUT OF AN INTEGRATED CIRCUIT - An integrated circuit layout includes a P-type active region and an N-type active region, and a plurality of trunks. The integrated circuit layout further includes a first metal connection connected to the P-type active region; and a second metal connection connected to the N-type active region. Each trunk of the plurality of trunks is electrically connected with the first metal connection and the second metal connection. Each trunk of the plurality of trunks is substantially perpendicular to the first metal connection and the second metal connection. A first trunk of the plurality of trunks has a width wider than a width of other trunks of the plurality of trunks. | 11-13-2014 |
20140346544 | Light-Emitting Element Having a Reflective Structure with High Efficiency - A light-emitting element includes a reflective layer; a first transparent layer on the reflective layer; a light-emitting stack having an active layer on the first transparent layer; and a cavity formed in the first transparent layer. | 11-27-2014 |
20150035070 | METHOD AND LAYOUT OF AN INTEGRATED CIRCUIT - An integrated circuit layout includes a first active region, a second active region, a first PODE (poly on OD edge), a second PODE, a first transistor and a second transistor. The first transistor, on the first active region, includes a gate electrode, a source region and a drain region. The second transistor, on the second active region, includes a gate electrode, a source region and a drain region. The first active region and the second active region are adjacent and electrically disconnected with each other. The first PODE and the second PODE are on respective adjacent edges of the first active region and the second active region. The source regions of the first and second transistor are adjacent with the first PODE and the second PODE respectively. The first PODE and the second PODE are sandwiched between source regions of the first transistor and the second transistor. | 02-05-2015 |
20150162295 | CONNECTING TECHNIQUES FOR STACKED CMOS DEVICES - A stacked integrated circuit includes multiple tiers vertically connecting together. A multi-layer horizontal connecting structure is fabricated inside a substrate of a tier. Layers of the horizontal connecting structure have different patterns as viewed from above the substrate. | 06-11-2015 |
Patent application number | Description | Published |
20130016013 | MOBILE COMMUNICATION DEVICE AND ANTENNA DEVICEAANM Wong; Kin-LuAACI Kaohsiung CityAACO TWAAGP Wong; Kin-Lu Kaohsiung City TWAANM Kang; Ting-WeiAACI Kaohsiung CityAACO TWAAGP Kang; Ting-Wei Kaohsiung City TWAANM Hsieh; Shih-WeiAACI Taipei CityAACO TWAAGP Hsieh; Shih-Wei Taipei City TWAANM Chen; Wei YuAACI New Taipei CityAACO TWAAGP Chen; Wei Yu New Taipei City TW - A mobile communication device for operating in LTE and WWAN bands is provided in the invention. The mobile communication device includes a system circuit board and an antenna. The system circuit board includes a system ground plane. The antenna includes: an antenna substrate, substantially parallel to the system ground plane; a first radiation element, disposed on the antenna substrate; a second radiation element, disposed on the antenna substrate; an antenna ground plane, disposed on the antenna substrate, and coupled to the system ground plane; and a transmission line, disposed on the antenna substrate, coupled to the first and second radiation elements, and having a feed point. The mobile communication device is further configured to accommodate a data transmission component. | 01-17-2013 |
20130113661 | WIDEBAND ANTENNA - A wideband antenna includes: a substrate, having a first surface and a second surface; a ground plane, disposed on the second surface; an exciting element, disposed on the first surface, and having a feed point coupled to a signal source; a connection element, disposed on the first surface, and coupled to the ground plane; a first branch, disposed on the first surface, and coupled to the connection element; a second branch, disposed on the first surface, and coupled to the connection element; and a coupling element, disposed on the first surface, and coupled to the connection element. | 05-09-2013 |
20130174620 | DEVICE AND METHOD FOR CONTROLLING ELECTRIC LOCK - A device and method for controlling an electric lock control the electric lock by generating a password signal carrying an ID information from an electronic apparatus including a communication chip. The device includes an antenna unit, a communication unit, a processing module, and a memory unit. The processing module receives the password signal from the electronic apparatus via the communication unit and the antenna unit. The processing module controls a locked status of the electric lock based on the password signal. The ID information carried by the password signal is analyzed by the processing module and sent to the memory unit and stored therein to form a reference information. Once the processing module receives the password signal again, the processing module will determine whether to maintain or change the locked status of the electric lock based on a result of comparison of the password signal and the reference information. | 07-11-2013 |
20130182475 | MULTI-PHASE INVERTER CONTROL DEVICE AND CURRENT CONTROL METHOD FOR THE SAME - The present invention provides a multi-phase inverter control device and a current control method for the same. The multi-phase inverter control device comprises a discrete circuit receiving CT IOCCS, CT IOCS and CT LIVS, and converting them into a plurality of DT signals; a multi-dimensional quantization circuit calculating according to an MDFQCC (Multi-Dimensional Feedback Quantization Current Control) algorithm to obtain DT IOVS for determining a plurality of switching signals; a driver circuit receiving the switching signals, and converting the switching signals into a plurality of switch driving signals; and an inverter circuit receiving the switch driving signals to output voltage across the load. The present invention decreases switching frequency, reduces switching loss and controls the inverter to output current efficiently. | 07-18-2013 |
20130184872 | ELECTRIC LOCK CONTROL CIRCUIT AND METHOD - An electric lock control circuit and method allow users to control an electric lock with a reference password pertaining to a parameter related to at least two dimensions. The circuit includes a substrate, a memory unit, an input unit, and a processing unit. The memory unit stores the reference password. The input unit rotates in a space of at least two dimensions to generate a parameter signal related to at least two dimensions. The processing unit encodes the parameter signal to turn the parameter signal into an input code and outputs an unlocking signal or a locking signal based on a result of comparison of the input code and the reference password to control the electric lock. Controlling the electric lock with a reference password pertaining to a parameter related to at least two dimensions enhances confidentiality and complexity of the electric lock. | 07-18-2013 |
20140062796 | WIDEBAND ANTENNA - A wideband antenna includes a first substrate, a second substrate, a ground plane, an exciting element, a connection element, a first branch, a second branch, and a coupling branch. The ground plane is disposed on the first substrate. The exciting element is disposed on the second substrate and has a feed point coupled to a signal source. The connection element is disposed on the second substrate and coupled to the ground plane. The first branch is disposed on the second substrate and coupled to the connection element. The second branch is disposed on the second substrate and coupled to the connection element. The coupling element is disposed on the second substrate and coupled to the connection element. The distance between the coupling element and the second branch is smaller than 5 mm. | 03-06-2014 |
20150061994 | GESTURE RECOGNITION METHOD AND WEARABLE APPARATUS - A wearable apparatus includes a user interface, a motion sensor, a microprocessor and a central processing unit (CPU). In an operation mode, the motion sensor senses a current hand movement trajectory (HMT). The microprocessor generates a velocity curve along a coordinate axis according to the current HMT, and samples the velocity curve according to a first predetermined velocity and a second predetermined velocity to output velocity sampling points. The microprocessor further determines whether a matching number between the velocity sampling points and velocity feature points is greater than a threshold. The current HMT matches a predetermined HMT when the matching number is greater than the threshold. The CPU performs a system operation corresponding to the default HMT when the current HMT matches the predetermined HMT. | 03-05-2015 |
20150253462 | INSTANTANEOUS ENVIRONMENT DETECTION DEVICE AND OPERATION METHOD THEREOF - The present invention provides an instantaneous detection device and an application thereof, which can be easily combined with a portable electronic device for timely detection of surrounding temperature and humidity and UV index and can be used in combination with an APP platform for transmission and connection with associated information to provide an operation of personal security protection, in which a detection device body that includes detectors for temperature and humidity and UV light mounted thereto is directly inserted into a socket of a portable electronic device so that through modulation processing with a built-in microprocessor and connection with a mobile electronic device through a phone jack plug, a user is provided with instantaneous and accurate detection of local environmental temperature and humidity and UV value of sunlight through the mobile positioning device, together with the built-in APP platform, to transmit the detection data to a database. | 09-10-2015 |
20150300935 | HIGH ACCURACY LIQUID DENSITY SENSOR - A liquid density sensor has a sensing module, a sensing rod and a floating device. The sensing module has a control circuit having computing functions. The sensing rod has a sensing line electrically connected to the control circuit. The floating device has a first magnetic unit and a floating ball mounted therein. The sensing rod is mounted through the floating device and the floating ball. The floating ball has a second magnetic unit. A specific gravity of the floating ball is lower than that of the floating device. The control circuit calculates a liquid density of liquid based on a distance between the first magnetic unit and the second magnetic unit according to a linear formula. | 10-22-2015 |
Patent application number | Description | Published |
20120268924 | LIGHT GUIDE UNIT AND OPTICAL DEVICES USING THE SAME - A light guide unit provided in this disclosure is used for performing a reversible optical conversion process on a light source. In an embodiment, the light guide unit is used for converting a planar light source into at least a linear light source, and then further to be converted into one point light source, while allowing beams emitted from the point light source to be guided and shot to a specific position by the use of a light-guiding element. Moreover, in another embodiment, the light guide unit is used for converting at least one point light source into at least a linear light source, and then further to be converted into a planar light source for emitting light. The light guide unit can be adapted for various applications, such as optical devices for illumination, entertainment, decoration or ornaments. | 10-25-2012 |
20120304713 | OPTICAL DEVICE - An optical device includes: a lock having a locking unit and an operation unit having at least a sensor; and a key configured to correspond to the lock. The key includes an unlocking unit having at least a light-guiding element for transmitting light between the operation unit and the unlocking unit. The operation unit is activated to unlock the locking unit after the sensor detects and recognizes the transmitted light. After encoding, the optical device of the present invention cannot be reproduced and the encoded light beam will not be intercepted and decoded easily so as to satisfy our security demands. Further, the structure of the optical device of the present invention does not decay easily. Therefore, the present invention has an excellent anti-theft effect and a reduced production cost. | 12-06-2012 |
20130038550 | MULTI-PROTECTION TOUCH LOCK - A multi-protection touch lock has a lock body and an unlocking panel connecting to the lock body. The lock body has a control mechanism, a locking unit connecting to the control mechanism, and at least one displaying unit connecting to the control unit, and at least one connection interface connecting to the displaying unit. The at least one unlocking panel has at least one transmission interface connecting to the at least one connection interface, and at least one operating unit connecting to the at least one transmission interface. The lock can be located at the predetermined position to control the door access, vehicle actuation and the use of electrical appliances. When unlocking, the unlocking panel comes to in contact with the lock and the correct password is input via the unlocking panel. After the unlocking action is completed, the unlocking panel is removed from the predetermined position. | 02-14-2013 |
20140017971 | Optical Toy - An optical toy is disclosed. The optical toy includes a frame, at least one emitting part, at least one receiving part, a plurality of light guiding parts, and at least one power source. The frame includes a container and at least one containing structure. The emitting part is movably located on the containing structure. The emitting part includes at least one light source for emitting light. The receiving part is movably located on the containing structure. The receiving part includes a light sensor for sensing the light. The plurality of light guiding parts is located in the container for changing the direction of the light. The relative positions of the plurality of light guiding parts can be changed. The power source is located in the frame for providing power to the optical toy. | 01-16-2014 |
20140349544 | Illuminable Building block - An illuminable building block is disclosed. The illuminable building block has a cell body, at least one circuit board, at least one illuminating device, at least one photo sensing device, at least one circuit control module, and at least one assembly portion. The cell body has an accommodating space, and the circuit board is located therein. The at least one illuminating device is disposed at the inner surface of the circuit board, and each photo sensing device corresponds to at least one illuminating device. The at least one circuit control module is used for illuminating the illuminating device. | 11-27-2014 |
Patent application number | Description | Published |
20090027291 | BROADBAND DIPOLE ANTENNA - A broadband dipole antenna includes a dielectric substrate, a first radiating portion, a second radiating portion, a substantially U-shaped or V-shaped feed gap, and two feed points. The feed gap is located in-between the first radiating portion and the second radiating portion. The two feed points are located in the first radiating portion and the second radiating portion, respectively, and separated by the feed gap. | 01-29-2009 |
20090033584 | TWO-BRANCH BROADBAND ANTENNA - A broadband antenna is capable of generating an upper resonant mode (at about 700 MHz) from a first radiating arm and a lower resonant mode (at about 500 MHz) from a second radiating arm. The first and second radiating arms are bent at least one time. An open end of the second radiating arm is extended toward an open end of the first radiating arm with a predefined distance there between. The predefined distance can be adjusted to improve the impedance matching of lower resonant mode, which can be further combined with the upper resonant mode to achieve a broad bandwidth covering the complete spectrum of digital TV channels (470-862 MHz). | 02-05-2009 |
20130002501 | ANTENNA AND COMMUNICATION DEVICE THEREOF - An antenna and a communication device thereof are provided. The antenna includes at least one ground and at least one radiating portion. The ground is disposed on a dielectric substrate, and the radiating portion includes at least one signal source and at least one closed conductor loop. The closed conductor loop has a first coupling conductor portion and a second coupling conductor portion, and the closed conductor loop has a plurality of bending portions to form a three-dimensional structure, and a first coupling gap is formed between the first and the second coupling conductor portions. The closed conductor loop further has a feeding portion and a short-circuit portion to form a second coupling gap between them. The feeding portion is electrically connected or coupled to the at least one signal source, and the short-circuit portion is electrically connected or coupled to the ground. | 01-03-2013 |
20130038491 | COMMUNICATION DEVICE AND METHOD FOR ENHANCEING IMPEDANCE BANDWIDTH OF ANTENNA THEREOF - A communication device and a method for enhancing impedance bandwidth of an antenna are provided. The communication device includes at least one ground, at least one antenna, a current-drawing conductor structure, and at least one coupling conductor structure. The antenna is electrically connected to the ground through a source and generates at least one operating frequency band for transmitting or receiving electromagnetic signals of at least one communication band. The current-drawing conductor structure includes a plurality of conductor elements, where there is at least one mutual coupling portion formed between neighboring conductor elements. The coupling conductor structure has a first conductor portion and a second conductor portion. One end of the first conductor portion is electrically connected to the ground, and another end thereof is electrically connected to the second conductor portion. There is at least one coupling portion formed between the second conductor portion and the current-drawing conductor structure. | 02-14-2013 |
20130257674 | MULTI-BAND MULTI-ANTENNA SYSTEM AND COMMUNICTION DEVICE THEREOF - A multi-band multi-antenna system and a communication device thereof are provided. The multi-band multi-antenna system includes at least one ground, two antenna units, a coupling conductor line and a grounding conductor line. Both of the two antenna units have at least one conductor portion, a low-pass filtering portion and an extending conductor portion. Each antenna unit generates at least one higher and lower operating bands. The low-pass filtering portion is electrically coupled between the conductor portion and the extending conductor portion, and effectively decreases dependent relationship between the higher and lower operating bands. The coupling conductor line is disposed nearby the two antenna units and has a first coupling portion and a second coupling portion. The grounding conductor line is disposed between the two antenna units and connected to the ground. | 10-03-2013 |
20150311588 | COMMUNICATION DEVICE AND METHOD FOR DESIGNING MULTI-ANTENNA SYSTEM THEREOF - The disclosure provides a communication device. The communication device includes a ground conductor portion and a multi-antenna system. The multi-antenna system includes at least a first and a second resonant portion, each of which is disposed on the corresponding radiating edge of the ground conductor portion. Each of the resonant portions may have a loop resonant structure or may have an open-slot resonant structure, and has a resonant path. The electrically coupling portion makes the length of the resonant path less than or equal to 0.18 times the wavelength of the lowest operating frequency of the multi-antenna system, and thereby excites the corresponding radiating edge and forms a strong surface current distribution, and generates an effective radiating energy and at least one resonant mode, in which the effective radiating energy has a corresponding strongest radiation direction. | 10-29-2015 |
Patent application number | Description | Published |
20140086297 | TRANSMISSION CIRCUIT FOR I/O INTERFACE AND SIGNAL TRANSMISSION METHOD THEREOF - A transmission circuit including an equalizer circuit, a slicer circuit, a signal detection circuit, and a control circuit is provided. The equalizer circuit performs an equalizing operation on an input signal according to preset states to output an equalizing signal corresponding to each preset state. The slicer circuit performs a slicing operation on the equalizing signal to output a slicing signal. The signal detection circuit detects and compares the equalizing signal and the slicing signal and accordingly adjusts the equalizer circuit to one of the preset states. The control circuit receives the slicing signal corresponding to each preset state, compares the slicing signal corresponding to each preset state with a plurality of signal patterns to generate a comparison result, and selects one of the preset states according to the comparison result, such that the control circuit let the equalizer circuit perform the equalizing operation according to the selected preset state. | 03-27-2014 |
20150043600 | CIRCUITRY AND METHOD FOR DRIVING LASER WITH TEMPERATURE COMPENSATION - A temperature-compensated laser driving circuit for driving a laser component is provided. The temperature-compensated laser driving circuit includes: a temperature compensation circuit, configured to generate a second current based on a first current and a temperature-independent current; and a modulation current generating circuit, configured to generate a modulation current based on the second current, and calibrate optical power output of the laser component based on the modulation current. The first current is proportional to the absolute temperature. The second current and the first current have a slope relative to the absolute temperature respectively, and the slope of the second current relative to the absolute temperature is larger than of the slope of the first current relative to the absolute temperature. | 02-12-2015 |
20150043922 | OPTICAL TRANSCEIVER MODULES, OPTICAL TRANSMISSION DEVICES, AND OPTICAL TRANSMISSION METHODS - An optical transceiver module coupled to a device is provided. The optical transceiver module includes an electronic signal transmitting terminal coupled to a receiving terminal of the device, an electronic signal receiving terminal coupled to a transmitting terminal of the device, an optical signal receiving terminal coupled to the electronic signal transmitting terminal, and an optical signal transmitting terminal coupled to the electronic signal receiving terminal. When the optical transceiver module is at an normal operation state and the electronic signal receiving terminal does not receive any electronic signal over a first predetermined time period, the optical transceiver module enters a idle detection state to make the electronic signal transmitting terminal to perform a receiver termination detection to the device to determine whether the device is coupled to the optical transceiver module. At the idle detection state, the optical signal transmitting terminal transmits the optical signal continuously. | 02-12-2015 |
Patent application number | Description | Published |
20130161669 | LIGHT-EMITTING DIODE WITH CURRENT DIFFUSION STRUCTURE AND A METHOD FOR FABRICATING THE SAME - An LED with a current diffusion structure comprises an N-type semiconductor layer, a light emitting layer, a P-type semiconductor layer, an N-type electrode, a P-type electrode and a current blocking layer. The N-type semiconductor layer, light emitting layer and P-type semiconductor layer form a sandwich structure. The N-type and P-type electrodes are respectively arranged on the N-type and P-type semiconductor layers. The current blocking layer has the pattern of the N-type electrode and is embedded inside the N-type semiconductor layer. Thereby not only current generated by the N-type electrode detours the current blocking layer and uniformly passes through the light emitting layer, but also prevents interface effect to increase impedance. Thus is promoted lighting efficiency of LED. Further, as main light-emitting regions of the light emitting layer are far from the N-type electrode, light shielded by the N-type electrode is reduced and illumination of LED is thus enhanced. | 06-27-2013 |
20130292734 | ELECTRIC CONTACT STRUCTURE FOR LIGHT EMITTING DIODES - An electric contact structure adopted for an LED comprises a nitride middle layer and an N-type metal electrode layer. The LED includes an N-type semiconductor layer, a light emission layer and a P-type semiconductor layer that are stacked to form a sandwich structure. The nitride middle layer is patterned and formed on the N-type semiconductor layer. The N-type metal electrode layer is formed on the nitride middle layer and prevented from being damaged by diffusion of the metal ions as the nitride middle layer serves as a blocking interface, thus electric property of the N-type semiconductor layer can be maintained stable. The nitride middle layer would not be softened and condensed due to long-term high temperature, thereby is enhanced adhesion. Moreover, the N-type metal electrode layer further can be prevented from peeling off, hence is increased the lifespan of the LED. | 11-07-2013 |
20130307008 | CONTINUOUS REFLECTION CURVED MIRROR STRUCTURE OF A VERTICAL LIGHT-EMITTING DIODE - A continuous reflection curved mirror structure is applied to a vertical light-emitting diode (LED) which includes a P-type electrode, a permanent substrate, a binding layer, a buffer layer, a mirror layer, a P-type semiconductor layer, a light-emitting layer, an N-type semiconductor layer and an N-type electrode that are stacked in sequence. Between the P-type semiconductor layer and the mirror layer is a filler. The filler is located right below the N-type electrode to form a protruding continuous curved surface facing the light-emitting layer. The mirror layer forms a mirror structure along the protruding continuous curved surface. With reflection provided by the mirror structure, excited light from the light-emitting layer is reflected towards two sides, so that the excited light can dodge the N-type electrode without being shielded to increase light extraction efficiency. | 11-21-2013 |
20130307009 | REFLECTION CURVED MIRROR STRUCTURE OF A VERTICAL LIGHT-EMITTING DIODE - A reflection curved mirror structure is applied to a vertical light-emitting diode (LED) which includes a P-type electrode, a permanent substrate, a binding layer, a buffer layer, a mirror layer, a P-type semiconductor layer, a light-emitting layer, an N-type semiconductor layer and an N-type electrode that are stacked in sequence. Between the P-type semiconductor layer and the mirror layer is a filler. The filler is located right below the N-type electrode to form a protruding curved surface facing the light-emitting layer. The mirror layer forms a mirror structure along the protruding curved surface. With reflection provided by the mirror structure, excited light from the light-emitting layer is reflected towards two sides, so that the excited light can dodge the N-type electrode without being shielded to increase light extraction efficiency. | 11-21-2013 |
20130307012 | TENSION RELEASE LAYER STRUCTURE OF LIGHT-EMITTING DIODE - A tension release layer structure is applied to an LED which includes a P-type electrode, a permanent substrate, a binding layer, a tension release layer, a mirror layer, a P-type semiconductor layer, a light-emitting layer, an N-type semiconductor layer and an N-type electrode that are stacked in sequence. The tension release layer is made of a complex material including at least two material elements with boundaries that are blended with each other. As the complex material in the tension release layer does not have apparent interface separation, stress between interface effect and materials can be eliminated to increase light-emitting efficiency and production yield of the LED. | 11-21-2013 |
20130328098 | BUFFER LAYER STRUCTURE FOR LIGHT-EMITTING DIODE - A buffer layer structure for an LED is provided. The LED includes a P-type electrode, a permanent substrate, a binding layer, a buffer layer, a mirror layer, a P-type semiconductor layer, a light-emitting layer, an N-type semiconductor layer, and an N-type electrode that are stacked in sequence. The buffer layer is a composite material, and includes at least one first material and at least one second material that are alternately stacked. The first material and the second material are mutually diffused to generate gradient variation after the buffer layer is processed by a thermal treatment. Thus, an interface effect and thermal stress between difference interfaces are eliminated, and a channel for ion diffusion is blocked for enhancing light-emitting efficiency of the LED. | 12-12-2013 |
20140061695 | LIGHT-EMITTING DIODE WITH A MIRROR PROTECTION LAYER - A light-emitting diode (LED) with a mirror protection layer includes sequentially stacked an N-type electrode, an N-type semiconductor layer, a light-emitting layer, a P-type semiconductor layer, a metal mirror layer, a protection layer, a buffer layer, a binding layer, a permanent substrate, and a P-type electrode. The protection layer is made of metal oxide, and has a hollow frame for covering or supporting edges of the metal mirror layer. Accordingly, the metal mirror layer can be protected by the protection layer to prevent from oxidation in subsequent processes and to prevent metal deterioration during high-current operations. Thus the metal mirror layer can maintain high reflectivity, thereby increasing light extraction efficiency and electrical stability of the LED. | 03-06-2014 |
20140070247 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND FABRICATING METHOD THEREOF - A semiconductor light-emitting device comprises a light-emitting epitaxial structure, a first electrode structure, a light reflective layer and an resistivity-enhancing structure. The light-emitting epitaxial structure has a first surface and a second surface opposite to the first surface. The first electrode structure is electrically connected to the first surface. The light reflective layer is disposed adjacent to the second surface. The resistivity-enhancing structure is disposed adjacent to the light reflective layer and away from the second surface corresponding to a position of the first electrode structure. | 03-13-2014 |
20140073075 | METHOD FOR SEPARATING LIGHT-EMITTING DIODE FROM A SUBSTRATE - A method for separating a light-emitting diode (LED) from a substrate comprises the following steps. First, a substrate is provided which includes a junction surface and a bottom surface far away from the junction surface. Then a plurality holes are formed on the junction surface. An LED structure is further grown on the junction surface, and includes a junction portion bonded to the junction surface. The bottom surface is then polished to be shrunk to communicate with the holes. Finally, the junction portion is etched by an etching liquid via the holes to separate the LED structure from the substrate. Accordingly, by forming the holes, the LED structure and the substrate can be separated through polishing and etching processes, thereby providing a high yield rate as well as reduced production costs. | 03-13-2014 |
20140151711 | SEMICONDUCTOR LIGHT-EMITTING DEVICE - A semiconductor light-emitting device is provided. The semiconductor light-emitting device includes a buffer layer, a light-emitting layer, a first-conductivity semiconductor layer, a first light reflecting layer, a protective structure, and an adhesive layer. The first-conductivity semiconductor layer is disposed between the buffer layer and a first side of the light-emitting layer. The first light reflecting layer is disposed between the first-conductivity semiconductor layer and the buffer layer. The protective structure is disposed between the first reflecting layer and the buffer layer. The adhesive layer is disposed between the first-conductivity semiconductor layer and the protective structure. | 06-05-2014 |
20140367726 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND FABRICATING METHOD THEREOF - A semiconductor light-emitting device including an epitaxial structure, a first electrode structure, a second electrode structure, a light reflective metal layer, a resistivity-enhancing structure and a protection ring is provided. The light-emitting epitaxial structure has a first surface and a second surface. The light-emitting epitaxial structure has a first zone and a second zone. The first electrode structure is disposed within the first zone. The second electrode structure is disposed within the second zone. The light reflective metal layer is disposed adjacent to the second surface. The resistivity-enhancing structure is disposed in contact with a surface of the light reflective metal layer and corresponding to a position of the first electrode structure. The protection ring has a first portion and a second portion. The first portion surrounds a sidewall of the light reflective metal layer. The second portion corresponds to the second electrode structure. | 12-18-2014 |
20160064602 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND FABRICATING METHOD THEREOF - A semiconductor light-emitting device including an epitaxial structure, a first electrode structure, a second electrode structure, a light reflective metal layer, a resistivity-enhancing structure and a protection ring is provided. The light-emitting epitaxial structure has a first surface and a second surface. The light-emitting epitaxial structure has a first zone and a second zone. The first electrode structure is disposed within the first zone. The second electrode structure is disposed within the second zone. The light reflective metal layer is disposed adjacent to the second surface. The resistivity-enhancing structure is disposed in contact with a surface of the light reflective metal layer and corresponding to a position of the first electrode structure. The protection ring has a first portion and a second portion. The first portion surrounds a sidewall of the light reflective metal layer. The second portion corresponds to the second electrode structure. | 03-03-2016 |