Abstract:
Disclosed herein is a semiconductor package. The semiconductor package includes: semiconductor elements, a first heat dissipation substrate formed under the semiconductor elements, a first lead frame electrically connecting the lower portions of the semiconductor elements to an upper portion of the first heat dissipation substrate, a second heat dissipation substrate formed over the semiconductor elements, and a second lead frame having a protrusion formed to be protruded from a lower surface thereof and electrically connecting the upper portions of the semiconductor elements to a lower portion of the second heat dissipation substrate.
Abstract:
Disclosed herein is an electric generating system using a solar cell, including: a DC/DC converter that converts output voltage generated from a solar cell into DC voltage and has a converter switching device; a snubber device that has a snubber switch clamping voltage applied to the converter switching device; and a control device that detects the voltage applied to the converter switching device and controls an operation of the snubber switch according to a detected voltage level applied to the converter switching device, thereby increasing the efficiency of the electric generating system using a solar cell while reducing switching loss and conduction loss.
Abstract:
Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxCo4-aSb12-zQz, where Q is at least one selected from the group consisting of O, S, Se and Te, 0
Abstract translation:公开了可用于太阳能电池或作为热电材料的新型化合物半导体及其应用。 化合物半导体可以由化学式:In x Co 4-a S b 12 -z Q z表示,其中Q是选自O,S,Se和Te中的至少一个,0
Abstract:
Disclosed herein is a semiconductor package substrate including a base substrate, a mounting member mounted on an upper portion of the base substrate, and an adhesive layer formed between the base substrate and the mounting member, wherein the adhesive layer includes a thermally conductive adhesive and a ductile adhesive formed at the outer circumference of the thermally conductive adhesive.
Abstract:
Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnQz, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt, X is at least one selected from the group consisting of Si, Ga, Ge and Sn, Q is at least one selected from the group consisting of O, S, Se and Te, 0
Abstract translation:公开了可用于太阳能电池或作为热电材料的新型化合物半导体及其应用。 化合物半导体可以由以下化学式表示:In x M y Co 4-m-a A m S b 12 -n z-b X n Q z,其中M是选自Ca,Sr,Ba,Ti,V,Cr,Mn,Cu,Zn ,Ag,Cd,Sc,Y,La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb和Lu中的至少一种,A是选自Fe, Ni,Ru,Rh,Pd,Ir和Pt中的至少一种,X是选自Si,Ga,Ge和Sn中的至少一种,Q是选自O,S,Se和Te中的至少一种, 0&lt; x <1,0和nlE; y <1,0
Abstract:
A backlight unit and a display apparatus are provided. The display apparatus includes a power supply unit which outputs a first voltage; a light emitting unit which includes a first end connected to the power supply unit, and a second end, the first end receiving the first voltage from the power supply unit; and a compensation unit which includes a first end connected to the second end of the light emitting unit, and which compensates a deviation between the first voltage and a rated voltage of the light emitting unit.
Abstract:
There are provided a multi-level converter capable of outputting power having various voltage levels with respect to a single input power supply by using a simple circuit, an inverter having the same, and a solar power supply apparatus having the same. The multi-level converter includes a first buck-boost unit having a first power switch switching an input power supply and outputting a first power having a voltage level varied according to switching of the first power switch; a bypass unit outputting a second power having a voltage level of the input power supply; and a second buck-boost unit having a second power switch switching the input power supply and outputting a third power having a voltage level varied according to switching of the second power switch.
Abstract:
The present invention relates to a liquid crystal display device associated with a touch panel, the device includes a liquid crystal panel having opposite first and second substrates, and a liquid crystal layer formed between the first and second substrates, a plurality of driving electrodes arranged on an outer surface of the second substrate in one direction spaced from one another, a first polarizing plate formed on the outer surface of the second substrate including the driving electrodes, a third substrate opposite to the first polarizing plate, and a plurality of sensing electrodes formed on a surface of the third substrate opposite to the first polarizing plate perpendicular to the driving electrodes spaced from one another.
Abstract:
Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-mAmSb12-n-z-pXnQ′pTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; Q′ is at least one selected from the group consisting of O, S and Se; 0
Abstract translation:公开了可用于太阳能电池或作为热电材料的新型化合物半导体及其应用。 化合物半导体可以由化学式:In x M y Co 4-mA m Sb 12 -n z-p X n Q'p Te z表示,其中M是选自Ca,Sr,Ba,Ti,V,Cr,Mn,Cu,Zn中的至少一种 ,Ag,Cd,Sc,Y,La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb和Lu; A是选自Fe,Ni,Ru,Rh,Pd,Ir和Pt中的至少一种; X是选自Si,Ga,Ge和Sn中的至少一种; Q'是选自O,S和Se中的至少一种; 0
Abstract:
Handheld wireless communications devices include a data input device, which is configured to receive first input data provided by a user, a main processor and a security processor. The security processor includes an input interface and input processing block configured to extract second data from a first portion of the first input data using, for example, a data mapping operation. The security processor also includes an encryption circuit, which is configured generate secure data from the extracted second data by encrypting the extracted second data using an encryption key, and a data/control interface, which is configured to transfer the secure data to the main processor.