Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, and a control circuit configured to generate a source signal voltage supplied to each pixel. The liquid crystal display panel includes an active matrix substrate including a pixel electrode applied with a source signal voltage and a common electrode applied with a common voltage. The common voltage and the source signal voltage corresponding to each gradation are set such that a source-common center difference at least one of lowest and highest gradation levels is greater than the source-common center difference at least some of the other gradation levels. A degree of symmetry of a gradation level voltage is equal to or lower than 95% at least at one of gradation levels equal to or lower than a 127/255-th gradation level except for the lowest gradation level.

Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, and a control circuit configured to generate a source signal voltage supplied to each pixel. The liquid crystal display panel includes an active matrix substrate including a pixel electrode applied with a source signal voltage and a common electrode applied with a common voltage. The common voltage and the source signal voltage corresponding to each gradation are set such that a source-common center difference at least one of lowest and highest gradation levels is greater than the source-common center difference at least some of the other gradation levels. A degree of symmetry of a gradation level voltage is equal to or lower than 95% at least at one of gradation levels equal to or lower than a 127/255-th gradation level except for the lowest gradation level.

Abstract: A display device includes a color filter substrate, an array substrate, a liquid crystal layer, a protection layer, and a plurality of main spacers. The color filter substrate includes a display region, a hole frame region, and a hole region. Further, in a thickness direction of the hole region of the color filter, an organic flattening film is present on a surface of the array substrate on the color filter substrate side at parts corresponding to positions of the main spacers.

Abstract: The present invention provides a liquid crystal display device which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters a camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). The liquid crystal panel (10A) is configured so that the first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) allowing the light to enter the camera 3 to pass therethrough, has a retardation R1 represented by the following formula: R1=m? (where (i) m is a positive integer and (ii) ? is a wavelength of the light passing through the liquid crystal layer).

Abstract: A display device includes a color filter substrate, an array substrate, a liquid crystal layer, a protection layer, and a plurality of main spacers. The color filter substrate includes a display region, a hole frame region, and a hole region. Further, in a thickness direction of the hole region of the color filter, an organic flattening film is present on a surface of the array substrate on the color filter substrate side at parts corresponding to positions of the main spacers.

Abstract: A liquid crystal display device includes: a first substrate; a second substrate; and a liquid crystal layer that contains liquid crystal molecules. The first substrate includes, in the following order toward the liquid crystal layer, a bus line extending in a first direction, a first electrode, an insulating layer, and a second electrode. The second electrode is provided with a longitudinal portion extending in a second direction in a pixel region. The initial alignment direction of the liquid crystal molecules and the second direction satisfy the following relation (A) or (B): (A) the initial alignment direction of the liquid crystal molecules is at an angle of 0° to +5° and the second direction is at a negative angle; and (B) the initial alignment direction of the liquid crystal molecules is at an angle of ?5° to 0° and the second direction is at a positive angle.

Abstract: A display device includes a display panel and imaging means. The display panel includes a first substrate, a second substrate, and an electrooptical substance layer between the first and second substrates. The display panel has a first substrate side as an external light entering side and is partitioned into a display area and a non-display area. The non-display area includes a light-transmitting area through which the external light entering the display panel is transmitted toward a second substrate side of the display panel. The imaging means is disposed on the second substrate side so as to receive the external light transmitting through the light-transmitting area, and a short-wavelength-light absorption layer capable of absorbing light having a wavelength shorter than visible light is disposed on the external light entering side with respect to the electrooptical substance layer and the short-wavelength-light absorption layer extends over an entire area of the light-transmitting area.

Abstract: A display device includes a display panel and imaging means. The display panel includes a first substrate, a second substrate, and an electrooptical substance layer between the first and second substrates. The display panel has a first substrate side as an external light entering side and is partitioned into a display area and a non display area. The non-display area includes a light-transmitting area through which the external light entering the display panel is transmitted toward a second substrate side of the display panel. The imaging means is disposed on the second substrate side so as to receive the external light transmitting through the light-transmitting area, and a short-wavelength-light absorption layer capable of absorbing light having a wavelength shorter than visible light is disposed on the external light entering side with respect to the electrooptical substance layer and the short-wavelength-light absorption layer extends over an entire area of the light-transmitting area.

Abstract: The present invention provides a liquid crystal display device which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters a camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). The liquid crystal panel (10A) is configured so that the first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) allowing the light to enter the camera 3 to pass therethrough, has a retardation R1 represented by the following formula: R1=m? (where (i) m is a positive integer and (ii) ? is a wavelength of the light passing through the liquid crystal layer).

Abstract: The present invention provides a liquid crystal display device and a method of production thereof, each of which can prevent a camera image from being adversely affected by the birefringence of external polarized light which enters the camera through the liquid crystal layer. In a liquid crystal display device (1A), light to enter a camera (3) passes through a part of a liquid crystal panel (10A). Then, the liquid crystal panel (10A) is configured so that (i) a first part of the liquid crystal layer (14), which first part is located in the camera light transmissive region (S1) (through which the light to enter the camera (3) passes), has an isotropic refractive index and (ii) the second part of the liquid crystal layer (14), which part is located in the non-camera light transmissive region (S2) (which excludes the camera light transmissive region (S1)), has an anisotropic refractive index.

Abstract: A method for fabricating a liquid crystal display device includes providing an LCD panel that includes a photopolymerizable compound in its liquid crystal layer; and forming alignment sustaining layers by polymerizing the photopolymerizable compound in the liquid crystal layer of the LCD panel with the liquid crystal layer irradiated with light and supplied with a voltage simultaneously. The forming the alignment sustaining layers includes the steps of: i) applying a predetermined voltage between a pixel electrode and a counter electrode while a switching element is in ON state; and ii) changing the voltage at a storage capacitor counter electrode into a voltage, of which the polarity is opposite to a voltage at the storage capacitor counter electrode in the step i), after the switching element in ON state has been turned OFF.

Abstract: To prevent occurrence of display roughness in a PSA-type liquid crystal display device, a liquid crystal display device of the present invention includes: a first substrate 10 which includes a signal line 15 for supplying a display signal to thin film transistors, an insulating layer 18 provided on the signal line 15, and pixel electrodes 12 provided in a matrix arrangement; a second substrate 20 which includes a counter electrode 22; a liquid crystal layer 30 interposed between the first substrate 10 and the second substrate 20; a vertical alignment film 33 provided between the first substrate 10 and the liquid crystal layer 30; and an alignment sustaining layer 32 provided between the vertical alignment film 33 and the liquid crystal layer 30 for regulating an orientation of liquid crystal molecules 31 included in the liquid crystal layer 30.

Abstract: A liquid crystal display device includes an active matrix substrate, a counter substrate, a liquid crystal layer arranged between the active matrix substrate and the counter substrate and a capacitive touch panel. The counter substrate is thinner than the active matrix substrate and the capacitive touch panel is arranged on the surface of the active matrix substrate opposite the liquid crystal layer.

Abstract: One embodiment of the present invention provides a liquid crystal display device in which auxiliary capacitance lines are driven, thereby allowing the range of drive voltage to be kept narrow while increasing the difference between the maximum and minimum absolute values of voltage to be applied to liquid crystal, and in the present liquid crystal display device, the voltage ranges for an auxiliary capacitance line drive signal, a video signal, and a common potential are equally maintained as low as from 0V to 4V, while inverting the common potential every scanning period and causing the potential of the auxiliary capacitance line drive signal to rise in the same direction as the common potential at the time of the fall of the scanning signal such that the potential is maintained until the next frame.

Abstract: A liquid crystal display device includes: first and second substrates placed so as to face each other; a frame-shaped sealing member provided between the first and second substrates, and configured to bond the first and second substrate together; and a liquid crystal layer formed by enclosing a liquid crystal material inside the sealing member. A display region configured to display an image is defined inside the sealing member, and a non-display region is defined outside the display region. The non-display region is also provided in an inner periphery of the sealing member. The first substrate is provided with a plurality of wall-shaped portions formed in the non-display region in the inner periphery of the sealing member so as to extend along the sealing member and to be separated from each other.

Abstract: To prevent occurrence of display roughness in a liquid crystal display device, a liquid crystal display device of the present invention, which has a plurality of pixels arranged along a first direction and a second direction, includes: a TFT substrate which includes a signal line extending in the first direction for supplying a display signal to TFTs and a scanning line extending in the second direction for supplying a gate signal to the TFTs; a counter substrate which includes a counter electrode; a liquid crystal layer interposed between the substrates; and an alignment film, wherein at least one of the signal line and the scanning line includes two linear portions linearly extending in the first direction or the second direction at a boundary of two adjacent pixels and a circuitous portion which is interposed between the two linear portions and which is deviated from an imaginary extension of the two linear portions.

Abstract: The present invention provides a liquid crystal display device, which can minimize display non-uniformity even when driven by capacitive coupling, and also provides a method for fabricating such a device. A method for fabricating a liquid crystal display device according to the present invention includes the steps of: providing an LCD panel that includes a photopolymerizable compound in its liquid crystal layer; and forming alignment sustaining layers by polymerizing the photopolymerizable compound in the liquid crystal layer of the LCD panel with the liquid crystal layer irradiated with light and supplied with a voltage simultaneously.

Abstract: To prevent occurrence of display roughness in a PSA-type liquid crystal display device, a liquid crystal display device of the present invention includes: a first substrate 10 which includes a signal line 15 for supplying a display signal to thin film transistors, an insulating layer 18 provided on the signal line 15, and pixel electrodes 12 provided in a matrix arrangement; a second substrate 20 which includes a counter electrode 22; a liquid crystal layer 30 interposed between the first substrate 10 and the second substrate 20; a vertical alignment film 33 provided between the first substrate 10 and the liquid crystal layer 30; and an alignment sustaining layer 32 provided between the vertical alignment film 33 and the liquid crystal layer 30 for regulating an orientation of liquid crystal molecules 31 included in the liquid crystal layer 30.

Abstract: A display device according to the present invention contains a transparent display unit (18) and a reflective display unit (19) in one pixel. The reflective display unit (19) is provided with an insulating layer (8) constituting a multi-gap layer, and a pixel electrode (16) and a common electrode (17) set closer to a display surface than a reflective film (7) at least through the insulating layer. The reflective film (7) is provided on the same plane as the insulating layer (8) in the lower substrate (10) and covered with the insulating layer (8), or provided in a lower layer than the insulating layer (8) in the lower substrate (10) and overlapped with the insulating layer (8).

Abstract: A liquid crystal display device includes: pixel electrodes arranged in columns and rows, each including a reflective electrode region; scanning lines; and signal lines. The device sequentially supplies a scanning signal voltage to one of the scanning lines after another to select one group of pixel electrodes, connected to the same one of the scanning lines, after another, and then supplies display signal voltages to the selected group of pixel electrodes by way of the signal lines, thereby displaying an image thereon. The pixel electrodes are arranged such that the polarity of a voltage to be applied to a liquid crystal layer is inverted for every predetermined number of pixel electrodes in each of the rows and in each of the columns. The display signal voltage to be supplied to each pixel electrode is updated at a frequency of 45 Hz or less.