Abstract: An optical photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The third lens element has two surfaces being both aspheric. The fourth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein two surfaces thereof are aspheric. The fifth lens element has an image-side surface being convex in a paraxial region thereof, wherein two surfaces thereof are aspheric.

Abstract: In a method of manufacturing an attenuated phase shift mask, a photo resist pattern is formed over a mask blank. The mask blank includes a transparent substrate, an etch stop layer on the transparent substrate, a phase shift material layer on the etch stop layer, a hard mask layer on the phase shift material layer and an intermediate layer on the hard mask layer. The intermediate layer is patterned by using the photo resist pattern as an etching mask, the hard mask layer is patterned by using the patterned intermediate layer as an etching mask, and the phase shift material layer is patterned by using the patterned hard mask layer as an etching mask. The intermediate layer includes at least one of a transition metal, a transition metal alloy, or a silicon containing material, and the hard mask layer is made of a different material than the intermediate layer.

Abstract: A display device includes a screen, a screen stand and a fixing module. The screen stand is pivotally connected to the screen. The fixing module is connected to the screen stand and configured to clamp a first surface and a second surface of a board and includes a connecting element, a first abutting element and a second abutting element. The first abutting element is fixed to the connecting element and configured to abut against the first surface of the board. The second abutting element is pivotally connected to the connecting element and includes an abutting end configured to abut against the second surface of the board.

Abstract: A magnetic template with adjustable magnetic force is provided. The magnetic template is applied to a display device. The display device can be fixed on a plane by the magnetic template, wherein the magnetic template includes an assembly shell and an adjustment element. A magnetic element is arranged inside the assembly shell. The adjustment element is arranged in the assembly shell and is configured to adjust the magnetic force of the magnetic element relative to the plane or adjust the magnetic force of the magnetic element.

Abstract: A display device includes a screen, a screen support and a fixing module. The screen support is pivotally connected to the screen, and the screen support includes a first end and a second end. The fixing module is detachably connected to the screen support and includes a first sub-component and a second sub-component. The first sub-component has a first surface and a second surface, and the first sub-component is selectively connected to one of the first end and the second end. The second sub-component has a third surface and a fourth surface, and the second sub-component is configured for clamping a board. One of the first surface and the second surface of the first sub-component and one of the third surface and the fourth surface of the second sub-component are detachably connected.

Abstract: A fixing module suitable for fixing to one of a first end and a second end of a screen bracket is provided. The fixing module includes a first part and a second part. The second part is slidably connected to the first part. The fixing module is configured to be fixed to the first end of the screen bracket by the first part or fixed to the second end of the screen bracket by the second part.

Abstract: A magnetic template with adjustable magnetic force is provided. The magnetic template is applied to a display device. The display device can be fixed on a plane by the magnetic template, wherein the magnetic template includes an assembly shell and an adjustment element. A magnetic element is arranged inside the assembly shell. The adjustment element is arranged in the assembly shell and is configured to adjust the magnetic force of the magnetic element relative to the plane or adjust the magnetic force of the magnetic element.

Abstract: A display device includes a screen, a screen stand and a fixing module. The screen stand is pivotally connected to the screen. The fixing module is connected to the screen stand and configured to clamp a first surface and a second surface of a board and includes a connecting element, a first abutting element and a second abutting element. The first abutting element is fixed to the connecting element and configured to abut against the first surface of the board. The second abutting element is pivotally connected to the connecting element and includes an abutting end configured to abut against the second surface of the board.

Abstract: A display device includes a screen, a screen support and a fixing module. The screen support is pivotally connected to the screen, and the screen support includes a first end and a second end. The fixing module is detachably connected to the screen support and includes a first sub-component and a second sub-component. The first sub-component has a first surface and a second surface, and the first sub-component is selectively connected to one of the first end and the second end. The second sub-component has a third surface and a fourth surface, and the second sub-component is configured for clamping a board. One of the first surface and the second surface of the first sub-component and one of the third surface and the fourth surface of the second sub-component are detachably connected.

Abstract: An ultrasonic transducer array combination includes a casing and first, second, and third linear ultrasonic transducer arrays. The casing includes a first-layer housing, a second-layer housing, and a third-layer housing. The first-layer housing, the second-layer housing, and the third-layer housing are connected to each other in a stacked manner and have first, second, and third mounting surfaces in a z-shaped arrangement, respectively. The first linear ultrasonic transducer array is disposed corresponding to the first mounting surface in the first-layer housing. The second linear ultrasonic transducer array is disposed corresponding to the second mounting surface in the second-layer housing. The third linear ultrasonic transducer array is disposed corresponding to the third mounting surface in the third-layer housing, to make the first, second, and third linear ultrasonic transducer arrays spaced away from each other in the z-shaped arrangement.

Abstract: A display system and a control method are provided. The display system includes a display device, an illumination device and a control circuit. The display device includes a display panel. The display panel is configured to display an image frame. The illumination device is movably disposed on the display device. The illumination device selectively projects light in a first direction or in a second direction different from the first direction. When the illumination device projects the light in the first direction, the control circuit generates a first control signal so as to control the illumination device to perform a first illumination mode. When the illumination device projects the light in the second direction, the control circuit generates a second control signal so as to control the illumination device to perform a second illumination mode different from the first illumination mode.

Abstract: An image displaying device includes a planar display panel and a light penetrating unit. The planar display panel displays a plane image. The planar display panel at least includes a first pixel group, a second pixel group and a third pixel group. The second pixel group is located between the first pixel group and the third pixel group. When vision passes through the light penetrating unit toward the planar display panel, the vision acquires a second distance of a second imaging position within the plane image relevant to the second pixel group relative to the planar display panel being greater than a first distance of a first imaging position within the plane image relevant to the first pixel group relative to the planar display panel and a third distance of a third imaging position within the plane image relevant to the third pixel group relative to the planar display panel.

Abstract: A display system and a control method are provided. The display system includes a display device, an illumination device and a control circuit. The display device includes a display panel. The display panel is configured to display an image frame. The illumination device is movably disposed on the display device. The illumination device selectively projects light in a first direction or in a second direction different from the first direction. When the illumination device projects the light in the first direction, the control circuit generates a first control signal so as to control the illumination device to perform a first illumination mode. When the illumination device projects the light in the second direction, the control circuit generates a second control signal so as to control the illumination device to perform a second illumination mode different from the first illumination mode.

Abstract: Data transmission method includes a first mobile device linking a first wireless network with a first linking quality and a second wireless network with a second linking quality. The first mobile device acquires a sum of first bandwidth requirements and a sum of second bandwidth requirements of application programs currently running. The first mobile device acquires a bandwidth allocation result according to the first linking quality, the second linking quality, the sum of first bandwidth requirements, and the sum of second bandwidth requirements. The first mobile device performs data link to the first wireless network and/or the second wireless network according to the bandwidth allocation result, and then performs data transmission of the application programs. The sum of second bandwidth requirements is greater than the sum of first bandwidth requirements. The bandwidth allocation result corresponds to a bandwidth usage value for all application programs.

Abstract: Data transmission method includes a first mobile device linking a first wireless network with a first linking quality and a second wireless network with a second linking quality. The first mobile device acquires a sum of first bandwidth requirements and a sum of second bandwidth requirements of application programs currently running. The first mobile device acquires a bandwidth allocation result according to the first linking quality, the second linking quality, the sum of first bandwidth requirements, and the sum of second bandwidth requirements. The first mobile device performs data link to the first wireless network and/or the second wireless network according to the bandwidth allocation result, and then performs data transmission of the application programs. The sum of second bandwidth requirements is greater than the sum of first bandwidth requirements. The bandwidth allocation result corresponds to a bandwidth usage value for all application programs.

Abstract: A method for message compression comprises receiving a first text message, acquiring at least one frequent character combination in the first text message, calculating frequencies for the frequent character combination and characters occurring in the first text message, generating multiple representative codes respectively for the frequent character combination and characters, and encoding the first text message to a second text message.

Abstract: A display apparatus includes a panel, a first light source, a second light source, a first light guide plate, a second light guide plate, and a processor. The panel includes a first area for displaying a first data and a second area for displaying a second data. The first light guide plate corresponding to the first area reflects the light provided by the first light source to the first area. The second light guide plate corresponding to the second area reflects the light provided by the second light source to the second area. The processor determines the states of the first light source and the second light source. The first or second light source is not operated all the time so as to conserve the power.

Abstract: A method for message compression comprises receiving a first text message, acquiring at least one frequent character combination in the first text message, calculating frequencies for the frequent character combination and characters occurring in the first text message, generating multiple representative codes respectively for the frequent character combination and characters, and encoding the first text message to a second text message.

Abstract: A peripheral connecting device of an electronic device. The peripheral connecting device includes a control device, a host connecting device and a plurality of peripheral connectors, including a display connector connected between a display device and the control device and a input device connector connected between a input device and the control device. The peripheral connecting device connects the input device and the display device with the electronic device to transmit information. The peripheral connecting device further performs network connection. With the peripheral connecting device, users can access a network. The peripheral connecting device is connected to a host through the network. The host performs the authentication of the electronic device.

Abstract: An external optical disk drive. The optical disk drive includes a body, a carrier, and an extendable member. The carrier is mounted to the body to receive the optical disk. The extendable member slideably connects to the body. The extendable member and the body define an inner space to contain the optical disk.