Abstract: An embodiment of the present invention relates to a cylindrical secondary battery comprising: a cylindrical can having one opened end to form an opening; an electrode assembly accommodated in the cylindrical can; and a cap assembly including a vent plate which is disposed on the outermost side in the direction away from the opening and which has at least one notch, a cap down which is disposed to be spaced apart from the vent plate in the direction of the opening and which is electrically connected to the electrode assembly, a support plate which is disposed between the vent plate and the cap down so as to be coupled to the vent plate, and an insulating member which is inserted between the support plate and the cap down to insulate the support plate and the cap down from each other, wherein, when the gas inside the can is discharged toward the opening, the vent plate is ruptured to be separated from the cap assembly.

Abstract: A light source unit and an image projection apparatus are provided. The light source unit includes: a light source part including a light source and a reflective member which reflects light emitted from the light source; and an infrared ray dividing part which is provided corresponding to a shape of the reflective member, is spaced apart from the reflective member, and includes a blocking part to block part of infrared rays generated from the light source and passing through the reflective member and a passing part having an opening formed through the blocking part. The image projection apparatus includes the light source unit and a casing accommodating the light source unit.

Abstract: Disclosed is an image projecting apparatus having a cooling device, which cools heat generated from a plurality of light sources respectively emitting light of different colors and heat generated from a display device simultaneously, while effectively dispersing the heat. The image projecting apparatus includes a projecting system which projects light; a display device disposed in series with the projecting system; an optical system disposed in parallel with the projecting system, and including a plurality of light sources which transmit the light to the display device and generate heat when the light is transmitted to the display device; a heat dissipation device disposed at an outer edge of the optical system which dissipates the heat generated from the plurality of light sources; and a cooling fan disposed opposite to the display device, which inhales air and discharges the air to the heat dissipation device.

Abstract: A display apparatus including a display main body displaying a picture, and a base supporting the display main body about an installation surface. The display apparatus further includes a tilting unit provided between the display main body and the base and allowing the display main body to be tilted about the base; a pivoting unit provided between the display main body and the tilting unit and allowing the display main body to be pivoted about the base; a lifting unit provided between the tilting unit and the base and allowing the display main body to move up and down about the base; and a swiveling unit coupled to the base and allowing the display main body to be swiveled about the installation surface. With this configuration, the present invention provides a display apparatus of which a display main body not only rotates about a base in various directions, but also moves up and down about the base.

Abstract: A display apparatus and a manufacturing method thereof which allow a component to be replaced and repaired simply, rapidly, and stably are provided. The display apparatus comprises a main body which accommodates a light source part, and comprises a display element which displays an image using light emitted from the light source part; an element panel which accommodates the display element; a front cover which is coupled to the main body and provided with a panel mounting part to which the element panel is detachably coupled; and an element driving board which is coupled to the front cover, is opposite to the main body, interposes the front cover between the element driving board and the main body, and is electrically connected with the display element.

Abstract: Disclosed is an image projecting apparatus having a cooling device, which cools heat generated from a plurality of light sources respectively emitting light of different colors and heat generated from a display device simultaneously, while effectively dispersing the heat. The image projecting apparatus includes a projecting system which projects light; a display device disposed in series with the projecting system; an optical system disposed in parallel with the projecting system, and including a plurality of light sources which transmit the light to the display device and generate heat when the light is transmitted to the display device; a heat dissipation device disposed at an outer edge of the optical system which dissipates the heat generated from the plurality of light sources; and a cooling fan disposed opposite to the display device, which inhales air and discharges the air to the heat dissipation device.

Abstract: A light source unit and an image projection apparatus are provided. The light source unit includes: a light source part including a light source and a reflective member which reflects light emitted from the light source; and an infrared ray dividing part which is provided corresponding to a shape of the reflective member, is spaced apart from the reflective member, and includes a blocking part to block part of infrared rays generated from the light source and passing through the reflective member and a passing part having an opening formed through the blocking part. The image projection apparatus includes the light source unit and a casing accommodating the light source unit.

Abstract: A display apparatus, includes: a tube part; and an iris unit comprising a main disk body accommodated in the tube part and comprising a main opening formed in a light path, a shutter member rotatably coupled with respect to the main disk body to open and close the main opening, and a driving part generating an electromagnetic force to rotate the shutter member.

Abstract: A connector device and a display device using the same include an image displaying panel to display an image, a PCB to operate the image displaying panel, at least one cable port provided in the PCB, at least one cable connecter provided to be coupled to the cable port, and a connector holder disposed adjacent to the cable port to prevent the cable connector from being separated from the cable port. Thus the connector device and the display device using the same can prevent a cable mounted on a PCB from being separated therefrom.

Abstract: A projecting lens device includes a first projecting lens system which enlarges and projects an incident image and light onto a projection plane, a second projecting lens system which guides an image generated by an image generator and the light of an illumination system to the first projecting lens system, and a main lens barrel and a sub lens barrel in which the first projecting lens system and the second projecting lens system are installed. The main lens barrel is made of a thermally conductive material such as aluminum, the sub lens barrel is disposed in the rear of the main lens barrel, and a heat prevention member is disposed between the main lens barrel and the first projecting lens system.

Abstract: A display apparatus having: a display part displaying a picture; a base part supporting the display part; a tilting part provided between the display part and the base part and allowing the display part to be tilted relative to the base part, the tilting part including a tilting body combined to the base part, a tilting shaft rotatably combined to the tilting body, a tilting bracket having a first end combined to the display part and a second end combined to the tilting shaft, and an auxiliary bracket, spaced away from the tilting bracket, and having a first end combined to the display part and a second end combined to the tilting shaft. The display apparatus has a decreased packing volume by folding parallel with the base part, more stably supports a display part by having a reinforcing member, and conveniently swivels the display part relative to the base part.

Abstract: A display apparatus in which a monitor is firmly supported by a stand mounted with a hinge and is tilted at a predetermined angle. The display apparatus includes a monitor displaying a picture thereon, and a stand supporting the monitor. The stand includes a stand base, a hinge bracket placed on the stand base and formed with an opened hinge accommodating part at a side thereof, a hinge including a first part accommodated in and connected to the hinge accommodating part of the hinge bracket, a second part connected to a back of the monitor, and a tilt restrictor to restrict a tilt of the monitor; and a hinge bracket cover detachably coupled to the hinge accommodating part formed in the hinge bracket. The present invention provides a display apparatus improved in assembling efficiency and design.

Abstract: A display apparatus and a manufacturing method thereof which allow a component to be replaced and repaired simply, rapidly, and stably are provided. The display apparatus comprises a main body which accommodates a light source part, and comprises a display element which displays an image using light emitted from the light source part; an element panel which accommodates the display element; a front cover which is coupled to the main body and provided with a panel mounting part to which the element panel is detachably coupled; and an element driving board which is coupled to the front cover, is opposite to the main body, interposes the front cover between the element driving board and the main body, and is electrically connected with the display element.

Abstract: A display device having a uniform brightness and control method thereof are provided, which includes a circuit board having a light emitting diode mounting area, a light source unit comprising a plurality of light emitting diodes mounted to the light emitting diode mounting area so that light emitting characteristics can be symmetrical around the center of the light emitting diode mounting area, a light uniformizing unit for creating a uniform light from the light emitting diodes, a micro display unit located in front of the light uniformizing unit, a projection lens unit located in front of the micro display unit, and a screen located in front of the projection lens unit. Thus, the display device provides uniform brightness and color.

Abstract: An optical projection system is disclosed. The optical projection system includes a base, a lamp provided in the base, a DMD assembly provided at one side of the lamp to generate image light from light irradiated by the lamp, and a projection unit for projecting the image light formed through the DMD assembly. The DMD assembly includes a DMD, a main circuit board provided with the DMD at one side, and a side circuit board which may be detached from or fixed to the main circuit board independently from the DMD assembly. The side circuit board may be provided at one side of the main circuit board at a right angle.

Abstract: The present invention relates to a projector having a light source and a display device generating an image by using light emitted from the light source. A projection lens projects an image generated from the display device. A scatter blocking member is disposed between the display device and the projection lens to guide the image from the display device to the projection lens and has a surface-processed cylindrical shape. Thus, the projector provides relatively definite pictures by blocking reflected and scattered light.

Abstract: A display apparatus includes a display body having a display part, a supporting bracket attached to a wall and a angle control part connected to the supporting bracket to adjust a tilting angle of the display body. The display apparatus also includes a driving part to drive the angle control part to adjust the tilting angle of the display body, an input part for a user to adjust the tilting angle, an OSD generating part to generate an OSD signal to control the tilting angle, and a controller to control the driving part so that a tilting angle adjusting menu is displayed based on the OSD signal generated by the OSD generating part according to the input part, so that the tilting angle of the display body is adjusted according to a selection based on the tilting angle adjusting menu. Thus, the display apparatus may control the tilting angle of the display body minutely and easily by the OSD.

Abstract: The present invention relates to an image projecting apparatus having a main body frame, a light generating part supported by the main body frame, and an image device forming images by using light irradiated by the light generating part. The image projecting apparatus includes a first heat absorbing part that absorbs heat generated by the image device. A second heat absorbing part absorbs heat generated by the light source. A heat dissipating part transfers heat to one of the first heat absorbing part and the second heat absorbing part. A combining part separably combines the first heat absorbing part and the second heat absorbing part to transfer heat between the first heat absorbing part and the second heat absorbing part. Thus, the present invention provides an image projecting apparatus having a modularized cooling apparatus to improve work efficiency in manufacturing and repairing the image forming apparatus.

Abstract: Provided is a projector that includes a light source, an illumination optical system, an image reproduction unit, an aperture member and a projection unit. The illumination optical system illuminates beams illuminated from the light source. The image reproduction unit modulates the beams illuminated from the illumination optical system into modulated beams used for projecting an image. The aperture member is coupled to the image reproduction unit and has an opening substantially at the center thereof and a light shielding part surrounding the opening. The projection unit projects an image using the modulated beams from the image reproduction unit. The aperture member has one or more connectors the edges of the light shielding part that are insertable into the image reproduction unit. In addition, the aperture member is formed from stainless steal (SUS) or copper (Cu) and is subjected to a black frosting treatment.

Abstract: A digital micro-mirror assembly for an optical projection system includes a DMD module with a control board. The control board is provided with a first fixing member, and a DMD is mounted on one side of the control board. A DMD holder resiliently supports a perimeter of the DMD, and an optical holder is provided with a second fixing member to support the DMD module. A fastening member is engaged with the first and the second fixing members to integrally connect the DMD module and the optical holder.