Abstract: The embodiments of the present disclosure disclose an optical module, comprising a housing, an adaptor and an optical sub-module being provided inside the housing, the adaptor being fixed with the optical sub-module, wherein an optical port component is also provided inside the housing, the optical port component is located at one side of the adaptor far away from the optical sub-module, and an opening is formed at one end of the optical port component far away from the adaptor; a through hole for the optical port component is formed on an end surface of the optical port component close to the adaptor, the adaptor can pass through the through hole for the optical port component to be fixed with the optical port component, and an optical fiber can be inserted into the adaptor from the opening.

Abstract: The present disclosure provides a picture display method and apparatus that relate to the field of image processing and are increase flexibility of picture display and reducing a memory occupation rate of a terminal on the premise of not modifying an attribute of an original picture. The method and apparatus include receiving an instruction for displaying a picture; obtaining, according to an identifier of a to-be-displayed picture included in the instruction, an original bitmap of the to-be-displayed picture and searching, a database of a current device for a pre-stored first rotation angle corresponding to the to-be-displayed picture; adjusting, according to a resolution of a current screen and/or a current window size, a display size of the original bitmap of the to-be-displayed picture, so as to obtain a compressed bitmap of the original bitmap; and displaying, according to the first rotation angle, a compressed bitmap of the original bitmap.

Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.

Abstract: The present disclosure provides a picture display method and apparatus that relate to the field of image processing and are increase flexibility of picture display and reducing a memory occupation rate of a terminal on the premise of not modifying an attribute of an original picture. The method and apparatus include receiving an instruction for displaying a picture; obtaining, according to an identifier of a to-be-displayed picture included in the instruction, an original bitmap of the to-be-displayed picture and searching, a database of a current device for a pre-stored first rotation angle corresponding to the to-be-displayed picture; adjusting, according to a resolution of a current screen and/or a current window size, a display size of the original bitmap of the to-be-displayed picture, so as to obtain a compressed bitmap of the original bitmap; and displaying, according to the first rotation angle, a compressed bitmap of the original bitmap.

Abstract: A coupler and a waveguide chip including the coupler are provided. The coupler connects a first optical waveguide to a second optical waveguide and includes an entity region and a first waveguide grating. A first end of the entity region is coupled to the first optical waveguide. A second end of the entity region is coupled to a second end of the first waveguide grating. A first end of the first waveguide grating is coupled to the second optical waveguide. Size of the first end of the entity region matches size of an end plane of the first optical waveguide, size of an end plane of the second end of the entity region matches size of an end plane of the second end of the first waveguide grating, and size of the first end of the first waveguide grating matches size of an end plane of the second waveguide.

Abstract: An optical device and an optic transceiver device are provided. The optical device includes a light splitting surface. The optical device further includes a first surface and a second surface disposed opposite to each other and parallel to each other. The light splitting surface separately intersects the first surface and the second surface. An angle between the light splitting surface and the first surface is not equal to 90 degrees. A medium between the light splitting surface and the first surface and a medium between the light splitting surface and the second surface are the same. The medium is formed by a light transmissive material.

Abstract: The disclosure provides an optical module. In the optical module, emitters of a first PNP type triode and a second PNP type triode connected with a power source are high-level always, when a bias pin of a laser transmitter driver chip is high-level, bases of the two PNP type triodes are both high-level and in an OFF state, no current flows to the bias pin and a laser transmitter, and the laser transmitter does not emit light; when the bias pin of the laser transmitter driver chip is low-level, the bases of the two PNP type triodes are both low-level and in an ON state, the current flows to the bias pin and flows from a positive terminal of the laser transmitter, and the laser transmitter emits light.

Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.

Abstract: A coupler and a waveguide chip including the coupler are provided. The coupler connects a first optical waveguide to a second optical waveguide and includes an entity region and a first waveguide grating. A first end of the entity region is coupled to the first optical waveguide. A second end of the entity region is coupled to a second end of the first waveguide grating. A first end of the first waveguide grating is coupled to the second optical waveguide. Size of the first end of the entity region matches size of an end plane of the first optical waveguide, size of an end plane of the second end of the entity region matches size of an end plane of the second end of the first waveguide grating, and size of the first end of the first waveguide grating matches size of an end plane of the second waveguide.

Abstract: The present disclosure relates to TV devices that implement methods for switching an accompanying sound of a TV program. According to the method, the TV device may display a current TV program under a first operation state of a plurality operation state associated with the current TV program; when receiving a first controlling signal, display a target menu on the screen, wherein the target menu includes a target menu option of operation which is a default option and is associated with the plurality of operation states of the current TV program; and when receiving a second controlling signal, directly switch the TV device to a second operation state along a sequence of the plurality of operation states.

Abstract: The present disclosure relates to TV devices that implement methods for switching an accompanying sound of a TV program. According to the method, the TV device may display a current TV program under a first operation state of a plurality operation state associated with the current TV program; when receiving a first controlling signal, display a target menu on the screen, wherein the target menu includes a target menu option of operation which is a default option and is associated with the plurality of operation states of the current TV program; and when receiving a second controlling signal, directly switch the TV device to a second operation state along a sequence of the plurality of operation states.

Abstract: The present disclosure relates to arranging the orientation of a display on device based on motion of the device. In one embodiment, a method includes detecting motion data for the device. The motion data includes data associated with rotational movement of the device. The method includes analyzing, by a controller, the data associated with rotational movement of the device to determine an orientation for presenting a display of the device. The method may also include controlling the device to rotate the display to the determined orientation.

Abstract: The present disclosure relates to systems, methods, electronic devices and applications for presentation and control of content. In one embodiment, a method for presentation of a user interface associated with content presented by a display device includes running an application by a device, wherein the application is configured to present a user interface based on content displayed by a display device, and receiving data from the display device, wherein the data is associated with content displayed by the display device. The method also includes presenting a user interface on the device by the application based on data received from the display device, wherein graphical elements and functions of the user interface are presented based on content displayed by the display device, and wherein graphical elements of the user interface are selectable to generate commands for the display device.

Abstract: A light detection module includes: a TO base and a TO cap; wherein the TO base is fixedly provided thereon with a first optical sensor, a support frame and a support base; the support frame is fixedly provided thereon with a beam splitter, and the beam splitter and the first optical sensor are at an angle of 45 degrees; an upper surface of the support base is fixedly provided thereon with an optical resonator and a second optical sensor, the optical resonator is located between the beam splitter and the second optical sensor, and the optical resonator, the second optical sensor and the beam splitter are on a straight line parallel to a surface of the TO base; and the TO cap is provided thereon with an opening, and the opening, the first optical sensor and the beam splitter are on a straight line perpendicular to the surface of the TO base.

Abstract: The disclosure provides an optical module. In the optical module, emitters of a first PNP type triode and a second PNP type triode connected with a power source are high-level always, when a bias pin of a laser transmitter driver chip is high-level, bases of the two PNP type triodes are both high-level and in an OFF state, no current flows to the bias pin and a laser transmitter, and the laser transmitter does not emit light; when the bias pin of the laser transmitter driver chip is low-level, the bases of the two PNP type triodes are both low-level and in an ON state, the current flows to the bias pin and flows from a positive terminal of the laser transmitter, and the laser transmitter emits light.

Abstract: An optical component includes: a first substrate, a second substrate, and a transfer board. A first electrically conductive path is disposed on a top surface of the first substrate. A second electrically conductive path is disposed on a bottom surface of the first substrate. A third electrically conductive path is disposed on a top surface of the second substrate. A microstrip line structure is disposed on the transfer board. The microstrip line structure includes a transfer line disposed on a top surface of the transfer board. The top surface of the second substrate is opposite to the bottom surface of the first substrate, where the second electrically conductive path fits the third electrically conductive path. The transfer board is disposed on the top of the top surface of the second substrate. One end of the transfer line is electrically connected to the first electrically conductive path by a wire bonding.

Abstract: An optical module includes a laser transmitter driver chip, a Distributed Bragg reflection (DBR) raster, a laser transmitter, a first resistor, a first capacitor, a second resistor, a second capacitor and a power source. The first resistor is connected between a power source and a differential signal output positive terminal of the laser transmitter; the first capacitor is connected between the differential signal output positive terminal and the a positive terminal of the laser transmitter; the second resistor is connected between the power source and a differential signal output negative terminal of the laser transmitter driver chip; the second capacitor is connected between the differential signal output negative terminal and a negative terminal of the laser transmitter; and the negative terminal of the laser transmitter and a negative terminal of the DBR raster are grounded.

Abstract: The present disclosure provides an optical module. The optical module of the present disclosure may include: a base, the base being provided with a fixing part configured to place a lens; the lens located in the fixing part; and a laser, located on the base, the laser being configured to transmit an optical signal to the lens, where fixing adhesive is filled symmetrically in gaps between two symmetric sides of the lens and the fixing part.

Abstract: The present disclosure relates to arranging the orientation of a display on device based on motion of the device. In one embodiment, a method includes detecting movement of the device, and detecting motion data for the device. The motion data includes data associated with rotational movement of the device. The method includes analyzing, by a controller, the data associated with rotational movement of the device to determine an orientation for presenting a display of the device. The method may also include controlling the device to rotate the display to the determined orientation.

Abstract: The present disclosure relates to detection and handling of focus elements associated with an application. In an embodiment, a device presents at least one graphical entry space for entry of focus elements and detects an input. The device categorizes the input, including determining a focus element type for the input and assigning a focus element type to the input. The device creates a focus element, based on the input and the focus element type. The device displays a graphical representation of the focus element, including a graphical symbol identifying the focus element type. The graphical representation of the focus element is presented in a list of one or more focus elements.