Abstract: An imaging apparatus includes a lens actuator which displaces a lens so as to slidingly move along a guide member, and a control circuit which controls the lens actuator. The control circuit supplies a driving signal for vibrating the lens in a second direction opposite to a first direction to the lens actuator before the lens is displaced in the first direction along the guide member.

Abstract: An extended depth of field (EDOF) imaging system that has a corresponding extended depth of focus (EDOF?). The imaging system has an optical system consisting of a single lens element and an objectwise aperture stop arrange substantially at a zero-coma axial position. The single lens element is configured so that the optical system has a select amount of spherical aberration (SA) in the range 0.2??SA?2?, where ? is an imaging wavelength. The single lens element generates an amount of axial chromatic aberration that increases the EDOF while decreasing the average MTF of the optical system relative to the optical system having no chromatic aberration. The imaging system has an image sensor for forming a digitized raw image of an object.

Abstract: The present invention provides an imaging lens composed of three lenses that can be made compact (downsized, thinned), allows a reduction in cost and can be made compatible with a high pixel imaging element having a megapixel or more incorporated in a small mobile product such as a mobile phone. The imaging lens 6 includes, in order from the object side to the image surface side: an aperture stop 4; a first lens 1 having positive refractive power whose lens surface facing the image surface side is provided with a diffractive optical element; a second lens 2 composed of a meniscus lens having positive refractive power whose lens surface facing the image surface side is convex; a third lens 3 having negative refractive power.

Abstract: Disclosed are an auto-focusing apparatus and a camera employing the same. The auto-focusing apparatus includes a pupil division unit including a plurality of holes of different sizes. The pencil of light ray entering through the photographing lens of the camera are divided into a plurality of pencils of light ray by being passed through the plurality of holes. The pupil division unit is arranged to focus the plurality of pencils of light ray onto an image capturing unit of the camera. The auto-focusing apparatus further includes a calculation unit that determines the focusing state of the camera based on combined images of the plurality of pencils of light ray captured by the image capturing unit.

Abstract: A camera device (1) comprises an AF value calculating unit (14), a focus position determining unit (15), and an LED control unit (16). The AF value calculating unit (14) calculates an AF value from a camera image captured by an image imaging element (2). The focus position determining unit (15) determines a correct focus position based on the AF value. The LED control unit (16) controls light emission of an LED (13) provided in a main body (4) and indicates the correct focus position to a user. This allows to assist the user in focus adjustment by means of a light emitter provided in the main body. Thus, the camera device which allows the user by himself to adjust focus with ease without the help of others is provided.

Abstract: An apparatus for detecting a focus state has an optical image-forming system that forms an object image, a plurality of line sensors that is arranged on a projected area of the optical image-forming system; a plurality of monitor sensors that is arranged on the projected area along the direction of a line-sensor array, each monitor sensor being adjacent to a corresponding line sensor and monitoring an amount of light incident on the corresponding line sensor; and a signal processor that outputs image-pixel signals corresponding to the object image on the basis of electric charges accumulated in the plurality of line sensors. At least an endmost monitor sensor corresponding to an endmost line sensor is arranged on the center-facing side of the endmost line sensor.

Abstract: An optical unit includes: a first lens group; and a second lens group, which are arranged in order from an object side toward an image surface side, wherein the first lens group includes a first lens element, a first transparent body, and a second lens element, which are arranged in order from the object side toward the image surface side, and the second lens group includes a third lens element, a second transparent body and a fourth lens element, which are arranged in order from the object side toward the image surface side.

Abstract: Provided is a method of luminance compensation for a camera lens by performing a multiline interpolation algorithm. Preferably, a plurality of directional lines are radially arranged on a curved surface of the lens. Sampling dots are then designated along the directional lines in equal or variant distances. Steps including a step of determining the location of a target for luminance compensation, a step of obtaining adjacent directional lines by referring to a slope at the target, a step of calculating the correction values and the weights for interpolation are further introduced. The interpolation algorithm is used to restore a correction plane of a whole image. A polynomial equation is preferably used to obtain two correction values of two directional lines with the same radius. Alternatively, a lookup table is introduced to find the two correction values. It's featured that a symmetric or asymmetric compensation for the camera lens is achieved.

Abstract: A movable-mechanical-section controlling device includes a pan/tilt driving controlling unit configured to perform driving control on a movable mechanical section having a structure that moves so that an image pickup direction of an image pickup section that obtains an image-pickup image by performing an image pickup operation changes in a pan direction and a tilt direction. In the controlling device, unit pan operations that are performed in an angular range in the pan direction are performed for the respective two or more different tilt positions with decreasing angle of elevation at the tilt positions.

Abstract: A camera module and a method of manufacturing the camera module are provided. The camera module includes a substrate having an opening through which light passes, a circuit pattern for transmitting an electrical signal, and first and second terminals connected to the circuit pattern; an image sensor combined with the substrate so as to receive the light through the opening, and electrically connected to the first terminals; a lead frame disposed around the image sensor and electrically connected to the second terminals of the substrate; a housing combined on a surface of the substrate opposite to another surface on which the image sensor and the lead frame are combined; and a lens disposed in the housing.

Abstract: A camera module includes a substrate with a cavity therein. A processor is located in the cavity, and wire bonding is for connecting the processor to the substrate. An imaging module is adapted to overlay the processor in the cavity and rest on at least part of the edge of the cavity. Wire bonding is for connecting the imaging module to the substrate and the processor. The cavity includes a longitudinal cutout section adapted to accommodate at least some wire bonding for connecting the processor to the substrate or associated surface mount components.

Abstract: The invention relates to a method for outputting a first digital video stream (BTS?). The method comprises: i) receiving a first transport stream (TS1) comprising a first plurality of time-multiplexed video channels (SRV1, SRV2, SRV3, SRV4); ii) buffering the first transport stream (TS1) to obtain a first buffered transport stream (BTS1); iii) selecting a first specific one from the first plurality of time-multiplexed video channels to obtain a first selected video channel (SRV1); iv) searching the first buffered transport stream (BTS1) for a first start (GOPS1) of a first group of pictures of the first selected video channel (SRV1), and v) outputting the first buffered transport stream (BTS1) starting from the first start (GOPS1) of the first group of pictures to obtain the first digital video stream (BTS?). The invention further relates to a system for carrying out such method.

Abstract: In accordance with an example embodiment of the present invention, there is provided an apparatus configured to instruct a redundancy encoder to increase a level of redundancy of a media stream, an error rate determination to determine an error rate of a communication path conveying the media stream with increased redundancy, a comparator configured to compare a bandwidth used to convey the encoded media stream at the increased redundancy level with a bandwidth for conveying the encoded media stream at a second quality level greater than the first quality level, the apparatus being further configured to provide a switching signal to a media encoder to start encoding the media stream at the second quality level responsive to the used bandwidth being sufficient for conveying the media stream encoded at the second quality level and the determined error rate being less than a predetermined threshold value.

Abstract: According to one embodiment, to detect a still subtitle part included as a part of an image in a video signal, the still subtitle detection apparatus detects in pixel units a subtitle part from a video frame formed of pixels. The apparatus includes a subtitle part determination module and a still subtitle detection module. The subtitle part determination module determines, as the subtitle part, a pixel or pixel group on the high-luminance region side (white peak) that neighbors the detection position of an image edge where a luminance level changes or on the low-luminance region side (black bottom) that neighbors the detection position of the image edge where the luminance level changes. When it is detected that the subtitle part remains unchanged by comparing two continuous video frames along the time axis, the still subtitle detection module detects the subtitle part as a still subtitle.

Abstract: A video display apparatus is provided wherein even for ones, such as 32 pulldown and 22 pulldown, in which since the motion range of an original material is wide, there is a high probability of degradation of the precision of detected vectors, the processing time is effectively used to enhance the precision of detected vectors, thereby generating interpolated pictures having higher qualities. A liquid crystal display apparatus has a means (14) for converting the frame rate by interpolating a picture, which has been corrected based on an interframe motion vector, between frames of input video signals. When interpolating signals representative of two or three consecutive identical pictures generated in telecine or the like, the liquid crystal display apparatus recalculates, based on motion vectors (Va) used in generating the first interpolated picture, motion vectors for use in the next interpolated picture generation, thereby detecting motion vectors having higher precision and less errors.

Abstract: Television audio signal encoders include a matrix that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The matrix also subtracts one of the left and right audio signals from the other to produce a difference signal. The encoders also include a configurable infinite impulse response digital filter that selectively uses one or more sets of filter coefficients to filter the difference signal and/or the sum signals. Each selectable set of filter coefficients is associated with a unique filtering application to prepare the difference signal for transmission. Decoders with the matrix are also disclosed.

Abstract: An image generating device and a method thereof are disclosed in the present invention. The image generating device and method may find out true motion for static text strings. The image generating device and method detect static text angles from consecutive frames and use a 3D-static text filter to recover correct motion vector fields. After our Static Text Detector fixing, the static text strings like subtitles can get more accurate motion vector and improve video quality.

Abstract: The present invention discloses a video system provided with a display device for displaying a video image including a first video image and a second video image and an eyeglass device for assisting a viewer in viewing the video image, wherein the display device includes: a display for displaying the first and second video images; a first generator for generating a synchronizing signal in synchronization with the first video image; and a transmitter for transmitting the synchronizing signal to the eyeglass device, and the eyeglass device includes: a receiver for receiving the synchronizing signal; a second generator for generating an internal signal in synchronization with the second video image, based on the synchronizing signal; an optical filter portion for adjusting amounts of incident light to left and right eyes, respectively; and a controller for controlling the optical filter portion based on the internal signal.

Abstract: A portable media encoder is disclosed. The portable media encoder comprises a video input port configured to receive a video input from a video source, an audio input port configured to receive an audio input from an audio source, and a digital output port for providing a digitized output stream corresponding to the received video input and audio input. The encoder has an encoding processor that converts the video input and the audio input into a streamable digital output format for transmitting through the digital output port, a set of control buttons communicatively coupled to the encoding processor and operable to provide encoding parameters to thereto, and a housing enclosing the encoding processor and providing at least one access panel providing user access to the video input port, the audio input port, the digital output port, and the set of control buttons. The housing having a size and configuration that allows the encoder to be hand carried by a single individual.

Abstract: Brightness expression without solid white pattern is enabled, and video expression with an improved black level is achieved. A distortion module (5) reduces the luminance of a backlight source according to the histogram of the video signal so that the contrast may be a predetermined target one. A configuration design unit (13) sets the gain according to the luminance level (BLreduced) of the backlight source selected by the distortion module (5). When setting the gain, the luminance level (BLref) for reference of the backlight source preset according to the video feature value is referenced. If the video feature value meets a predetermined condition, the input video signal is always amplified with the gain. If not, depending on the relation between the BLreduced and the BLref, the input video signal is amplified or not.

Abstract: According to one aspect, a mixed-signal tuner for analog and digital TV reception incorporates a demodulator for analog TV, employing various features for resolving limitations of the analog circuitry and for achieving compatibility with various global TV standards. Such features, which may be present in one or more embodiments, include the use of a variable sample rate in all digital clocks for frequency planning, and use of a microcontroller (MCU) to control various circuitry of the tuner.

Abstract: In one embodiment the present invention includes a display system for displaying video. The display system includes a backlight layer and an LCD layer. The display system controls the backlight layer and the LCD layer to emulate a cathode ray tube response. This emulation may be accomplished by applying a gamma function to a gamma corrected input signal. In this manner, the effects resulting from the “crushed blacks” phenomenon may be reduced.

Abstract: Various exemplary embodiments relate to a method and related motion estimation unit for performing motion estimation on video data comprising a plurality of frames. The method may begin by reading a current frame of the plurality of frames from a memory of a motion estimation unit. The method may then select a motion vector for each respective block of pixels in a current row of the current frame. The step of selecting the motion vector may include, for each respective block, selecting, by the motion estimation unit, a candidate vector for at least one block directly surrounding the respective block based on a determination of whether the directly surrounding block has been processed for the current frame, calculating, for each candidate vector, a difference value, and selecting, as the motion vector, the candidate vector with the lowest difference value.

Abstract: This invention relates to a method of reusing data in memory for motion estimation. Only additional data is required to prepare reference block so as to reduce the data transfer to the memory. The additional data will be arranged with the existing data in the memory to provide the reference block. Then the data in the memory is read in a specific way to retrieve the reference block. Using this invention, the bandwidth requirement and internal memory can be greatly reduced without any additional logic operation.

Abstract: A method and apparatus is disclosed that is capable of transmitting video signals and/or audio signals using the HDMI interface standard or the DisplayPort interface standard. A dual mode transmitter is disclosed that is configurable to transmit to a first sink device, configured in accordance with a HDMI display interface, in a HDMI mode of operation and/or a second sink device, configured in accordance with a DisplayPort display interface, in a DisplayPort mode of operation. The dual mode transmitter is configured to receive a biasing current from the first sink device in the HDMI mode of operation or to internally provide the biasing current in DisplayPort mode of operation by selecting impedances from selectable impedance networks. The dual mode transmitter is configured to transmit the video signals and/or audio signals by biasing one or more transistors using the biasing current.

Abstract: A universal transmitter and a universal receiver for respectively transmitting and receiving orthogonal frequency-division multiplexing (OFDM) signals using the international television bands respectively use fixed subcarrier spacing; fixed Fast Fourier Transform (FFT)/Inverse Fast Fourier Transform (IFFT) period values; a fixed symbol duration for each cyclic prefix option; and fixed WRAN frame parameters, but a selectable channel bandwidth for transmission and reception.

Abstract: A low-noise amplifier includes a first resistor that receives a first signal of a differential input signal, and a second resistor that receives a second signal of the differential input signal. The amplifier includes a first transconductance device coupled to the first resistor that provides a first signal of a differential output signal, and a second transconductance device coupled to the second resistor, that provides a second signal of the differential output signal. The receiver also includes a first capacitor coupled between the first resistor input and a control electrode on the second transconductance device, and a second capacitor coupled between the second resistor input and a control electrode on the first transconductance device. The low-noise amplifier can include additional gain stages.

Abstract: A conductive member is provided, surrounding a terminal, on a substrate so that a portion of the conductive member is positioned between wiring and the terminal. The conductive member includes, at an inner edge thereof, multiple portions whose distances from the terminal are different. The multiple portions include a portion whose distance from the terminal is shorter than that of a portion among the plurality of portions that is closest to the wiring.

Abstract: According to one aspect, a mixed-signal tuner for analog and digital TV reception incorporates a demodulator for analog TV, employing various features for resolving limitations of the analog circuitry and for achieving compatibility with various global TV standards. Such features, which may be present in one or more embodiments, include the use of a variable sample rate in all digital clocks for frequency planning, and use of a microcontroller (MCU) to control various circuitry of the tuner.

Abstract: A receiver system and method of receiving a plurality of channels to provide a content output are provided, the system including at least one antenna configured to receive a plurality of channels, each channel of the plurality of channels being at a different frequency. The receiver further includes a tuner in communication with the at least one antenna, wherein the tuner is configured to receive a first channel of the plurality of channels at a first frequency during a first period of time, at least a second channel of the plurality of channels at a second frequency during a second period of time, and provide a content output based upon only the first channel substantially without interruption during both first and second periods of time.

Abstract: In one embodiment, a set of tracking filters to be coupled between an amplifier and a mixer is provided. The tracking filters may be differently configured depending on band of operation. For example, a first set of the filters can be configured to maintain a substantially constant Q value across their operating bandwidth while a second set of the filters can be configured to maintain a substantially constant bandwidth across their operating bandwidth.

Abstract: Various embodiments provide a smart remote-control device. In one embodiment, a smart remote-control device includes a keypad and a display. The smart-remote-control device is configured to obtain information about other media devices, and to display that information upon the display. The smart remote-control device is further configured to establish master-slave relationships between itself and other media devices, including set-top boxes, presentation devices, and other remote-control devices. This abstract is provided to comply with rules requiring an abstract, and it is submitted with the intention that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: A universal remote control device effects a same function on a plurality of different remotely controlled devices. The device has a housing, an actuator within the housing, a database of encoded signals for effecting the same function on the plurality of different remotely controlled devices; and a signal emitter configured to emit the encoded signals so as to effect the same function for each of the plurality of different devices in response to actuation of the actuator with no more than ½ second between each encoded signal.

Abstract: A projection electronic apparatus is presented. A movable keyboard component is disposed on a host of the electronic apparatus, and a projection component is disposed on the host. When the keyboard component is moved out from the host, a projection ray from the projection component is projected on a screen board outside the host, so as to display a projected screen picture. In addition, the screen board may also be pivoted to the host. When the screen board is opened from the host, the keyboard component is moved out from the host, and the projection ray from the projection component is projected on the screen board, so as to display a screen picture having a maximum scope.

Abstract: A projection system based on self emitting display panels is described, in which the projection technology involves organic/inorganic electroluminescent display panels with spatially separated color segments. The color pictures are shown in three spatially separate segments. A color combination mechanism, such as dichroic mirrors, are used to merge the three color pictures to a color picture. One of the advantages of the present invention is that only the on state pixel is driven to a bright state that uses energy. The off state pixel need not be driven to a bright state and therefore the energy consumption is virtually nothing. Another advantage is that the system does not require a separate light source and display panel. Therefore the projection system can be made very compact, which is extremely useful for portable projection systems.

Abstract: To provide a display apparatus which can use a general purpose projector, has a simple structure, and can be manufactured at low cost. The invention is a display apparatus including a hemispherical rear projection screen 1, a projector 2 for projecting an image to be displayed on the rear projection screen 1, and a computer system 3 for creating an image projected from the projector 2 and characterized in that the computer system 3 includes a recording medium for storing image data of a plane image, creation means for correcting the image data stored in the recording medium and creating image data of a curved image, and transmission means for transmitting the image data of the curved image created by the creation means to the projector 2.

Abstract: Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and address or realize a reduction in price, and a control method for the projection-type display apparatus, as well as a control program for the projection-type display apparatus. The projection-type display apparatus includes a solid-state light source that emits light, a mirror device that controls an emitting direction of the incident light to thereby subject the incident light to temporal modulation, and a projecting device that projects the modulated light.

Abstract: An electrooptical apparatus includes a plurality of first electrooptical panels which enable a color image to be displayed by combining output lights from the plurality of first electrooptical panels, a polarization axis correction unit through which the output lights from each of the plurality of first electrooptical panels are transmitted and which makes polarization axes of the transmitted output lights aligned, and a polarization axis switching section which switches a polarization axis of the output light from the polarization axis correction unit to a direction intersecting with the direction of the polarization axis at a predetermined timing.

Abstract: A light source device includes: a first light source configured to emit a first source light in a first wavelength range; a source light generator configured to generate, from the first light, a color-varying source light having time varying color; a second light source configured to emit a second source light in a second wavelength range that is different from the first wavelength range; and a light source controller configured to control driving timing for turning on and off each of the first light source and the second light source so as to cyclically select one of the color-varying source light and the second source light to be output as an output source light.

Abstract: A lighting device 12 of the present invention includes a plurality of linear light sources 17 arranged parallel to one another, and a diffuser plate 31 arranged on the light emitting side of the linear light sources 17. The linear light sources 17 are arranged so that a narrow-interval area 17a where the arrangement interval thereof is relatively narrow and a wide-interval area 17b where the arrangement interval is relatively wide are provided. A dot pattern as an array of a plurality of dots 40 is provided on the diffuser plate 31. The dots 40 have a light reflectivity that differs from the light reflectivity of the diffuser plate 31. The light reflectivity provided by a combination of the diffuser plate 31 and the dot pattern is set to decrease continuously and gradually from the area corresponding to the narrow-interval area 17a toward the area corresponding to the wide-interval area 17b.

Abstract: An illumination device 12 according to the present invention includes a light source 17, a chassis 14 that houses the light source 17, and a stand 40 that holds the chassis 14 in an upright position. The stand 40 includes support portions 44 and 45 that directly support the chassis 14. Vertical rails 51 and 52 are mounted on a surface of the chassis 14 on an opposite side from the light source 17 with longitudinal directions thereof aligned with a vertical direction of the chassis 14 and connected to the support portions 44 and 45. Diagonal rails 61 and 62 are mounted on the surface of the chassis 14 with longitudinal directions thereof aligned with directions that intersect with the vertical direction of the chassis and connected to the support portions 44 and 45 to which the vertical rails 51 and 52 are connected.

Abstract: A lighting device 12 of the present invention includes a light output portion 15z from which light is output, a light source 17, and an optical member 15b provided on the light output portion 15z side with respect to the light source 17. The optical member 15b is held by a pair of holding members. The holding members include a first holding member 15a that holds the optical member 15b from the light source 17 side and a second holding member 16 that holds the optical member 15b from an opposite side from the light source 17 side. A buffer 70 is provided in at least one of a space between the optical member 15b and the first holding member 15a and a space between the optical member 15b and the second holding member 16. The buffer 70 has at least one rough surface on a side that abuts the optical member 15b.

Abstract: At least either a first substrate or a second substrate has regions corresponding to subpixels (15a, 15b, 15c) and provided with ribs (100a) for controlling how a liquid crystal material is aligned. Scanning signal lines (32) and picture element electrodes (60) are overlapped with each other via an insulating material as seen in plan view. The ribs (100a) and the scanning signal lines (32) are at least partially overlapped with each other as seen in plan view.

Abstract: An image displaying period of a 1st subframe of an Nth frame is partially overlapped with an image displaying period of a 2nd subframe of the Nth frame and an image displaying period of a 2nd subframe of an (N?1)th frame. For each of the subframes, a period of writing a pixel voltage into all horizontal lines in a display screen equals an image signal input period for inputting a single frame of the image signal. A delay period from (i) inputting of the Nth frame of the image signal for the horizontal lines to (ii) writing of the pixel voltage into the horizontal lines in the 1st subframe of the Nth frame is made as short as possible.

Abstract: Provided are an illumination optical system allowing light beams to be condensed and enter an illumination area at different angles from each other, color separating elements that separate colors of the light beams from the illumination optical systems, liquid crystal light valves that modulate the color lights to form image light for the right and the left eyes, a color combining element that combines the color light beams, a wavelength-selective polarization rotating element that rotates the polarization direction of a predetermined color light so as to align the polarization direction with that of a light beam of another color, and a projection lens that magnifies and projects images. The liquid crystal light valves are provided with an incident side microlens array that causes the light beams for the right and the left eyes to pass respectively through the right and the left eye image pixels, and an exit side microlens array that condenses the light that has passed through the pixels.

Abstract: Projection systems and methods for providing stereoscopic images viewed through passive polarizing eyewear. The systems relate to projectors that create left and right eye images simultaneously and often as side-by-side images on the image modulator. The systems act to superimpose the spatially separated images on a projection screen with alternate polarization states. The embodiments are best suited to liquid crystal polarization based projection systems and use advanced polarization control.

Abstract: A liquid crystal display panel includes a plurality of scan lines and a plurality of pixels. Each scan line has a signal-input end, and each pixel includes a gate electrode, a drain electrode, an extending electrode and a coupling capacitor. The extending electrode is an extending part of the drain electrode, and does not overlap the gate electrode. Each coupling capacitor is coupled between each extending electrode and the corresponding scan line. In each scan line, capacitances of the coupling capacitors between the extending electrodes and the corresponding scan line increase as distances between the extending electrodes and the corresponding signal-input end increase.

Abstract: A pixel set including two scan lines parallel to each other, a data line intersected with the scan lines, and two pixels located between the scan lines is provided. The pixels are at two sides of the data line, respectively. Each pixel includes an active device disposed adjacent to the data line, a pixel electrode, a storage capacitance electrode partially overlapped with the pixel electrode, and a drain compensating pattern including a branch. The branch is located at a side of the pixel electrode away from the data line, and has a concavity located at a side of the branch adjacent to the data line. The drain compensating pattern is connected to a drain of the active device. A portion of the drain compensating pattern is located inside the concavity. The branch is not overlapped with the drain compensating pattern at a side of the concavity away from the gate.

Abstract: A liquid crystal display includes a first substrate including pixels, each having a transmissive area and a reflective area, a second substrate, and a liquid crystal layer disposed between the first and second substrates. Each of the pixels includes first and second thin film transistors which output a data signal in response to a first gate signal, a transmissive pixel electrode disposed in the transmissive area and electrically connected to the first thin film transistor to charge a first pixel voltage based on the data signal, a reflective pixel electrode disposed in the reflective area and electrically connected to the second thin film transistor to charge a second pixel voltage based on the data signal, and a voltage controller which controls the first pixel voltage and the second pixel voltage in response to a second gate signal, which is generated after the first gate signal.

Abstract: An object is to provide a liquid crystal display device using a liquid crystal material exhibiting a blue phase, in order to enable a higher contrast. In a liquid crystal display device which includes a liquid crystal layer exhibiting a blue phase, a first structure body and a second structure body are provided over a first electrode layer (a pixel electrode layer) and a second electrode layer (a common electrode layer), respectively. The first structure body and the second structure body are insulators each having a higher dielectric constant than a liquid crystal material used for the liquid crystal layer, and are provided to project into the liquid crystal layer.