A backlight assembly includes a light guide plate (LGP) having a stepped portion formed at a corner of the LGP, an optical sheet disposed over the LGP and a receiving container receiving the LGP and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first LGP fixing portion. The second sidewall is adjacent to the first sidewall. The third sidewall faces the first sidewall. The fourth sidewall faces the second sidewall. The first through fourth sidewalls are extended upwardly from edge portions of the bottom plate. The first LGP fixing portion is formed at the first sidewall such that the LGP fixing portion corresponds to the stepped portion of the LGP. Therefore, a display device is easily assembled. Furthermore, a defilement that may occur during an assembling process may be reduced to enhance productivity.

Backlight assembly and display device having the same

A wagering gaming device having a three-dimensional display device which includes a plurality display screens. The display screens display three dimensional images having an height, actual width and depth.

Gaming device having a three dimensional display device

A system for personalizing and synchronizing smartcard data within a distributed transaction system includes smartcard access points (102) which initiate transactions with smartcards (120), one or more enterprise data collection units (112), a secure support client server, a card object database update system (106), one or more enterprise data synchronization interfaces (108), and an update logic system (110). Personalization of multifunction smartcards is accomplished using a security server configured to generate and/or retrieve cryptographic key information from multiple enterprise key systems during the final phase of the smartcard issuance process.

Methods and apparatus for dynamic smartcard synchronization and personalization

The present invention provides a mounting structure for mounting a liquid crystal module to a cover of a mobile terminal. The mounting structure comprises: at least a pair of first and second engagement parts, wherein the first engagement part is provided on a side portion of the liquid crystal module, whilst the second engagement part is provided on a side portion of a structural member of the cover, so that the paired first and second engagement parts are engaged with each other only by fitting the liquid crystal module into the structural member of the cover.

Liquid crystal module mounting structure and mobile terminal mounted with the same

A display device in accordance with the present invention includes: a gate driver for carrying out display scanning on pixels sequentially in a first direction of a TFT liquid crystal panel so as to set pixels to display states thereof according to information to be displayed by the pixels in the TFT liquid crystal panel, the pixels being arranged in two dimensions and being individually controllable in terms of the display state through illumination; and a backlight unit for illuminating the individual pixels with intensity of light which increases and subsequently decreases in synchronism with the display scanning carried out by the gate driver, but only after the display scanning. The arrangement enables the backlight flashing period to be determined independently from a TFT panel scanning period or response time of liquid crystal, ensures an extended operating time of a TFT panel, effects a display period equal to, or longer than, the black blanking type, and achieves higher contrast than the black blanking type.

Display device and light source

As regards a surface light source device for use with back-light or the like of a transmissive display panel, the efficiency of the cooling structure for the device will be improved and dust and dirt will be prevented from adhering.The surface light source device has a housing, a diffuser panel, a reflective plate, lamps, and an electric circuit portion. The housing has a window portion located ahead, a base portion located behind and side portions forming a flat space by connecting the two. The diffuser panel is mounted to the window portion of the housing. The reflective plate is supported by the side portions and partitions the flat space into a closed space ahead and an open space behind to be interposed therebetween. The lamps are housed in the closed space, and are positioned right above the reflective plate and right under the diffuser panel to radiate light toward the diffuser panel. The electric circuit portion is housed in the open space, and is electrically connected to the lamps to light them up. On the side portions of the housing, there are formed openings, through which cooling air supplied from outside is introduced into the open space to diffuse heat accumulated within the housing.

Surface light source with air cooled housing

As regards a surface light source device for use with back-light or the like of a transmissive display panel, the efficiency of the cooling structure for the device will be improved and dust and dirt will be prevented from adhering. The surface light source device has a housing, a diffuser panel, a reflective plate, lamps, and an electric circuit portion. The housing has a window portion located ahead, a base portion located behind and side portions forming a flat space by connecting the two. The diffuser panel is mounted to the window portion of the housing. The reflective plate is supported by the side portions and partitions the flat space into a closed space ahead and an open space behind to be interposed therebetween. The lamps are housed in the closed space, and are positioned right above the reflective plate and right under the diffuser panel to radiate light toward the diffuser panel. The electric circuit portion is housed in the open space, and is electrically connected to the lamps to light them up. On the side portions of the housing, there are formed openings, through which cooling air supplied from outside is introduced into the open space to diffuse heat accumulated within the housing.

Surface light source device

Disclosed is a flat display allowed to facilitate a maintenance work for a back light unit contained in the flat display. The flat display includes a frame, display unit, back light unit, and chassis. The frame is positioned on the front side and has a window portion. The display unit, which is of a transmission type and is formed in a flat shape, is assembled from the rear side to the frame in such a manner as to be matched with the window portion to form an image screen. The chassis is positioned on the rear side and is engaged with the frame while putting the display unit therebetween to form a flat containing space on the back surface side of the display unit. The back light unit 3 is a surface light source which is pre-assembled using a flat case, and is removably insertable in the containing space. The back light unit functions to illuminate the transmission type display unit from the back surface side.

Back light assembly for flat panel display

PROBLEM TO BE SOLVED: To surely mount an object by providing a jig to fix the object to a wall surface side by inserting an attachment member provided on the object, and providing a guide groove having a bent part to fix the object by inserting the attachment member on the jig. SOLUTION: When a TV set 12 is mounted on the fixed to a wall surface W using a jig 16, a plate-like member 18 is fixed to the wall surface W by screws 18B. A large diameter head part of a attachment member 14 which is previously-fitted to a back side 12B of the TV set 12 is inserted from an upper part of the jig 16 while the TV set 12 is supported by a worker, and a shaft part of the attachment member 14 is placed on an upper edge part of the dissimilar guide groove formed on a support plate part of the jig 16. The TV set 12 slides in the horizontal direction in this condition, and the shaft part of the attachment member 14 is inserted in a perpendicular groove through a horizontal groove and a bent part of the guide groove. In is sensually recognized through such an installation process that the TV set 12 is supported at appropriate position. COPYRIGHT: (C)1999,JPO

Fixing device of object

PROBLEM TO BE SOLVED: To provide a back light device suppressing the generation of luminance irregularity and having little luminance irregularity, by alternately arranging high voltage sides and low voltage sides of plural fluorescent tubes SOLUTION: First to a fourth fluorescent tubes 2a-2d are mounted so that the high voltage sides and the low voltage sides are alternately arranged When the first to the fourth fluorescent tubes 2a-2d are turned on, on the left side of a back light device 1, high luminance on the high voltage side of the first and the third fluorescent tubes 2a, 2c and low luminance on the low voltage side of the second and the fourth fluorescent tubes 2b, 2d are mutually canceled and, on the right side of the back light device 1, low luminance on the low voltage side of the first and the third fluorescent tubes 2a, 2c and high luminance on the high voltage side of the second and the fourth fluorescent tubes 2b, 2d are mutually canceled Consequently, luminance on both left and right side parts are averaged and the back light device 1 having almost uniform brightness over a whole surface of a diffuser plate 4 is obtained

Takayoshi Omori

Papers

Surface light source with air cooled housing

Surface light source device

Back light assembly for flat panel display

Fixing device of object

Back light device