Abstract: A semiconductor device is provided. The semiconductor device includes a semiconductor substrate, a first deep well region, at least two second well regions, at least one isolation structure and an implantation region. The first deep well region is disposed in the semiconductor substrate, wherein the first deep well region has a first conductivity type. The second well regions are disposed on the first deep well region, wherein the second well regions have a second conductivity type. The isolation structure covers a portion of the first deep well region and surrounds at least a portion of the second well regions. The implantation region is located under a top surface of the semiconductor substrate, wherein the implantation region has a discontinuous portion, and the discontinuous portion partially overlaps the first deep well region.

Abstract: A projection device includes multiple optical fiber mounting mechanisms. Each of the optical fiber mounting mechanisms includes an optical fiber extending along a first direction as an axis direction, a signal circuit extending along the first direction, and a mounting structure. The optical fiber includes an engaging section. The mounting structure surrounds the engaging section of the optical fiber and the signal circuit. The mounting structure includes an installation portion extending radially relative to the first direction. The installation portion includes a surface and multiple elements exposed from the surface. The surface includes a normal direction parallel with the first direction. A first length of the engaging section of the optical fiber protruding from the surface of the installation portion is longer than lengths of the elements protruding from the surface.

Abstract: An optical fiber mounting mechanism includes an optical fiber, a signal circuit, and a mounting structure. The optical fiber extends along a first direction. The signal circuit extends along the first direction. The mounting structure is disposed at ends of the optical fiber and the signal circuit. The mounting structure surrounds the optical fiber and the signal circuit. The mounting structure has an installation portion. The installation portion extends radially relative to the first direction as the axis direction. The installation portion has a plurality of elements. The elements are exposed from a surface of the installation portion. The surface has a normal direction parallel with the first direction.

Abstract: An optical fiber mounting mechanism includes an optical fiber, a signal circuit, and a mounting structure. The optical fiber extends along a first direction. The signal circuit extends along the first direction. The mounting structure is disposed at ends of the optical fiber and the signal circuit. The mounting structure surrounds the optical fiber and the signal circuit. The mounting structure has an installation portion. The installation portion extends radially relative to the first direction as the axis direction. The installation portion has a plurality of elements. The elements are exposed from a surface of the installation portion. The surface has a normal direction parallel with the first direction.

Abstract: A color wheel rotation speed detecting module is disclosed and includes a color wheel, a motor, a rotation speed detector and a processor. The color wheel includes a first segment and at least one second segment. The motor drives the color wheel to rotate. The rotation speed detector includes an emitter and a receiver. The emitter outputs a light signal to the first segment or the second segment of the color wheel when the color wheel is rotated. When the receiver receives the light signal reflected from the second segment, the receiver outputs a detecting signal correspondingly. When the light signal passes through the first segment and the receiver fails to receive the light signal, the receiver interrupts the output of the detecting signal. The processor receives the detecting signal from the receiver, and obtains the rotating speed of the color wheel according to the detecting signal varied with time.

Abstract: A color wheel rotation speed detecting module is disclosed and includes a color wheel, a motor, a rotation speed detector and a processor. The color wheel includes a first segment and at least one second segment. The motor drives the color wheel to rotate. The rotation speed detector includes an emitter and a receiver. The emitter outputs a light signal to the first segment or the second segment of the color wheel when the color wheel is rotated. When the receiver receives the light signal reflected from the second segment, the receiver outputs a detecting signal correspondingly. When the light signal passes through the first segment and the receiver fails to receive the light signal, the receiver interrupts the output of the detecting signal. The processor receives the detecting signal from the receiver, and obtains the rotating speed of the color wheel according to the detecting signal varied with time.

Abstract: An elevation adjustable window candle includes a candlestick having axial sliding grooves axially disposed between stop portions and an inside shoulder therein, a candle shaft having springy retaining blocks equiangularly suspending in the bottom side thereof and respectively axially slidably coupled to the sliding grooves in the candlestick to secure the candle shaft to the candlestick at the desired elevation by means of friction resistance, and a lampshell mounted on the top end of the candle shaft and holding a LED lamp module therein.

Abstract: An adjustable window candle includes a candlestick, a positioning member mounted inside the shank body and having retaining flanges extending around the periphery thereof at different elevations, a candle shaft axially slidably sleeved onto the positioning device and having a locating groove extending around the inside wall thereof and selectively engageable with one retaining flange of the positioning member to secure the candle shaft to the positioning member in the candlestick in one of a series of elevational positions, and a lampshell mounted on a top end of the candle shaft and holding a LED lamp module therein.

Abstract: A LED lighting chain is disclosed to include a front plug, a rear plug, an AC-DC converter formed of four rectifying diodes, and a LED serial set, wherein the LED serial set has a voltage dropping device formed of a resistance and two capacitors so arranged that changing the resistance and capacitors relatively changes the voltage of the LED serial set, and therefore increasing the number of LEDs does not change the brightness of the LED serial set. Further, a resistance is connected in parallel to each capacitor of the voltage dropping device so that when power is off, residual electric energy is discharged out of the capacitors to ensure safety of the LED lighting chain and to prevent damage to the LEDs during start.

Abstract: A light emitting diode lamp is disclosed to include a lamp base connectable to a lamp socket, a bulb fastened to the top side of the lamp base, and a light emitting diode lamp voltage-dropping circuit module fixedly mounted in the holding space inside the lamp base and holding light emitting diode close to the bottom end of the bulb for enabling the light emitted by the light emitting diode to pass to the outside through the whole area of the bulb.

Abstract: A thermal energy-actuated toy water glove is disclosed to include a transparent plastic globe body holding an organic solvent and glitters in the organic solvent, and a lamp holder supporting the globe body and holding a lamp bulb for heating the organic solvent to the boiling status to cause the glitters to move in the boiling organic solve when turned on to emit light.

Abstract: An optical projection apparatus and assembling method thereof are disclosed. The method includes providing a precise calibration fixture, a projection lens, a display module and an optical engine. The projection lens and the optical engine and then the display module and the precise calibration fixture are assembled together. An image calibration operation is performed so that the position of the display module relative to the projection lens is adjusted through the precise calibration fixture. Thereafter, the display module and the optical engine are assembled using glue. The aforementioned apparatus and assembling method can improve the focusing characteristic of images and resolve image-tilting and image-shifting problems.

Abstract: An ornamental tube used in a decorative lamp assembly for heating by heat energy from the lamp bulb to boil an organic solvent into a convection of bubbles is disclosed having a plastic tube body holding the organic solvent, a plastic bottom cap capped on the bottom open side of the tube body, a porous cushion mounted in the plastic bottom cap and adapted to absorb the organic solvent for heating by heat energy from the lamp bulb, and a spacer member mounted in the plastic bottom cap to seal the bottom open side of the tube body and to hold down the porous cushion in the plastic bottom cap, the spacer member having through holes for the passing of the organic solvent from the tube body to the porous cushion.

Abstract: A decorative lamp assembly having an ornamental tube for producing air bubbles when radiated by the lamp bulb, the ornamental tube having tiny plastic balls of different colors that move up and down with the air bubbles, which are formed from dichloromethane upon radiation of heat energy from the lamp bulb.

Abstract: A lamp holder and terminal arrangement, which includes a lamp holder, the lamp holder having a front receiving chamber, which holds a bulb, and two separated longitudinal insertion holes, and two terminals extended from a a respective electric wire and respectively inserted into the insertion holes in the lamp holder and electrically connected to the lead-out legs of the bulb, wherein the terminals each have a tubular front receptacle, which receives one lead-out leg of the bulb, the tubular front receptacle having a plurality of dents and inwardly protruded springy retaining portions, which secure the corresponding lead-out leg of the bulb in place, and a plurality of outwardly protruded springy retaining portions respectively engaged into respective retaining notches in the corresponding longitudinal insertion hole in the lamp holder.

Abstract: A Christmas tree light includes a socket shell having a top receiving chamber and an outward top flange, an insulative block mounted in the top receiving chamber inside the socket shell, the insulative block having two longitudinal grooves at two opposite sides, a bulb supported on the insulative block inside the top receiving chamber, the bulb having two lead-out wires separated by the insulative block, a socket cap covered on the socket shell to hold the bulb in place, the socket cap having an inward bottom flange hooked on the outward top flange of the socket shell, two terminals respectively hooked in the longitudinal grooves at the insulative block and connected to the lead-out wires of the bulb, and two conductors connected to the terminals for providing electricity to the bulb.

Abstract: A lamp base structure of a series of Christmas lamps, wherein a through hole and an engaging hole are installed on the central portion and the near rim portion of the groove seat, respectively, while a central conducting piece and an outer conducting piece are installed in the through hole and the engaging hole. An engaging groove is formed on the inner peripheral wall of the lamp base corresponding to said engaging hole. A bent portion is formed between the upper end penetrating portion and the lower end portion of the outer conducting piece, and the penetrating portion is shifted toward the center of the lamp base groove. An engaging block is engaged in the gap of the engaging hole above the bent portion of the outer conducting piece, wherein the width of said groove engaging hole corresponds to the length of the bent portion between the lower end portion and the upper end penetrating portion of the outer conducting piece.

Abstract: The present invention is related to a water-proof pad of a lamp base comprises a lamp base and a water-proof pad, wherein the through hole is installed aside the lower seat of the lamp base and said water-proof pad has a cylindrical portion and a plane plate which are formed integrally. Said water-proof pad may pass through said through hole so that the cylindrical portion and the plane plate may be assembled on the upper and lower ends of a positive polarity conducting piece, respectively, then as the lamp is assembled on a predetermined position of the lamp base, the water-proof effect of the contact piece of the positive polarity conducting piece is achieved.

Abstract: The present invention relates to a screw socket, wherein the screw area is formed on the inner wall of the neck of the screw socket for receiving a screwed in electric bulb. The screw area is composed of a pair of screws which occupy no more than 1/4 circumference and are opposite to each other. The male mold used for forming the above screws includes active molds with respect to the above screw area, and the precision of the screw threads is kept within the proper tolerence during an injection molding thereof.