Abstract: A spacer structure includes a first substrate, an overcoat layer, first spacers, second spacers, and a second substrate. The first spacers are disposed in a first region, and the overcoat layer has a first thickness in the first region. The second spacers are disposed in a second region, and the overcoat layer has a second thickness in the second region. The first spacers and the second spacers have the same height, and the first thickness is greater than the second thickness. Accordingly, no gap exists between each of the first spacers and the second substrate; however, a gap exists between each or the second spacers and the second substrate.

Abstract: A liquid crystal display device 1 has subpixels 10 having a light-transmissive region 10a and a light-reflective region 10b. A color filter layer 50 corresponding to an identification pattern 70 that it is desired to be displayed when the liquid crystal display device 1's power is off is formed at the light-reflective regions 10b, so that even when the liquid crystal display device 1 is in the non-driven state, incident external light emerges as outgoing light having the colors of the color layers corresponding to the identification pattern, and hence the identification pattern can be displayed. Thus, any desired pattern can be displayed in the liquid crystal display device's non-driven state, so that a liquid crystal display device with extensive expression and superior display characteristics is provided.

Abstract: A method of fabricating a substrate for a liquid crystal display device includes: disposing a transparent substrate on a stage of a laser apparatus; irradiating a laser beam having a predetermined power onto the transparent substrate to form a light shielding region in the transparent substrate surrounding first to third light transmitting regions; and forming a color filter layer including red, green and blue sub-color filters respectively in the first to third light transmitting regions, wherein boundaries of the red, green and blue sub-color filters correspond to the light shielding region.

Abstract: An electro-optical device includes a plurality of subpixel regions forming a display field and a color filter including a plurality of color layers of which at least one is of an additive primary color. The color layers have different color hues and at least two of the color layers are arranged in at least one of the subpixel regions so as not to overlap with each other in plan view. A method for manufacturing the electro-optical device includes forming the color layers such that at least two of the color layers are arranged in at least one of the subpixel regions so as not to overlap with each other in plan view. An electronic apparatus includes the electro-optical device.

Abstract: A transflective liquid crystal display device includes first and second substrates facing each other, a gate line and a data line on the first substrate, the gate and data lines intersecting each other and defining a pixel region having a transmissive region and a reflective region, a thin film transistor at an intersection between the gate line and the data line, a pixel electrode in the pixel region connected to the thin film transistor, an organic insulating layer on the second substrate, the organic insulating layer including a through-hole in the transmissive region, a reflective electrode on the organic insulating layer in the reflective region, a black matrix on the second substrate, a color filter layer on the second substrate in the pixel region, and a liquid crystal layer between the first and second substrates.

Abstract: The present invention provides an organic electroluminescent panel, a production method thereof, and an organic electroluminescent display device, in which color mixing between adjacent pixels, caused by overflow or pull-in of a liquid material is suppressed and discontinuity (physical and electrical separation by the step) of an upper electrode is reduced when an organic film such as a luminescent layer is formed by an application method such as an ink jet printing method. The organic electroluminescent panel of the present invention is an organic electroluminescent panel comprising a lower electrode, a bank, an organic film, and an upper electrode on a substrate, wherein the organic electroluminescent panel has: two or more bank regions having different film thicknesses; and an organic film region surrounded by the two or more bank regions, the organic film region having a planar shape of a quadrangle or a substantial quadrangle with a rounded vertex or side.

Abstract: The present invention provides a transflective display device capable of extending a color reproduction range and reducing a difference in white balance between transmissive display and reflective display. The display device of the present invention is a transflective display device including four or more filters having different colors in a pixel, each of the four or more filters having different colors including: a transmissive region for displaying an image by transmitting light from a backlight; and a reflective region for displaying an image by reflecting surrounding light, wherein at least two of the four or more filters having different colors are different in a proportion of an area of the reflective region, and the proportion of the area is represented by the following formula (1): Proportion of area of reflective region=Area of reflective region/Effective area of filter??(1).

Abstract: A color filtering member for improving the brightness of a display device is presented. The color filtering member includes colored regions (e.g., regions with RBG color filters) and black-and-white regions for transmitting white light. The black-and-white regions may be colorless gaps between adjacent colored regions. Multiple planarizing layers may be deposited on the colored regions and the black-and-white regions to form a surface that is sufficiently even. The color filtering member may include an intercepting region that extends between neighboring colored regions. The position of the intercepting region is not centered between the two colored regions that it separates. Rather, the intercepting region is shifted in the direction of rubbing (in the direction of liquid crystal alignment) to more effectively cover the regions where light leakage occurs. This color filtering member may be combined with an array member and a liquid crystal layer to form a display device.

Abstract: A reflective liquid crystal display (LCD) is provided for efficiently preventing white coordinates from being yellowish. The LCD includes a substrate having red color filters, green color filters, and blue color filters. The blue color filters have an overall area smaller than that of the red color filters and the green color filters while blocking green light better than the red color filters and blocking red light better than the green color filters.

Abstract: This invention provides a liquid crystal display device capable of allowing the color saturation of light reflected from a transflective type or a reflective type liquid crystal display device to be constant. In addition, According to the invention, the color filter is adjusted according to the distribution of the colors included in the light source such that the color saturation of images displayed in the reflective mode is constant. As a result, the images are clearly exhibited in the liquid crystal display device, and resolution of the color increases.

Abstract: Color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate, a second substrate and a gap interposed therebetween. A patterned enclosed structure is interposed between the first substrate and the second substrate dividing a plurality of color sub-pixel channels. A plurality of color cholesteric liquid crystals are respectively filled in each of the color sub-pixel channel, wherein an adhesion layer is tightly adhered between the second substrate and the patterned enclosed structure so as to prevent mixing of the color cholesteric liquid crystals between adjacent color sub-pixel channels.

Abstract: A display device in which an image with a wide color reproduction range and bright red can be displayed is provided. The display device is a display device such as, for example, a liquid crystal display device, a cathode ray tube, an organic electroluminescent display device, a plasma display panel, and a field emission display. The display device includes a display surface including a pixel having red, green, blue, and yellow sub-pixels, wherein the red sub-pixel preferably has the largest aperture area.

Abstract: An apparatus, system, and method for subpixels of a light valve pixel having characteristics adapted to complement light within certain wavelength ranges are disclosed herein.

Abstract: Panels for a display device, a liquid crystal display, and methods to manufacture the same are disclosed. A light blocking member on a first panel advantageously overlaps a transistor and an opaque element on a second panel for advantageously reducing or eliminating light leakage, thereby allowing for sharp viewing contrast.

Abstract: An optical compensated bend (OCB) mode liquid crystal display (LCD) includes a pixel electrode, a color filter, a common electrode and a liquid crystal layer. The pixel electrode is formed on the first substrate of the OCB mode LCD. The color filter is formed on the second substrate of the OCB mode LCD. The common electrode is formed on the color filter. The liquid crystal layer is sandwiched between the first substrate and the second substrate. A step structure is formed on the second structure, so that the liquid crystal molecules in the liquid crystal layer are twisted into the bend state from the splay state uniformly and quickly.

Abstract: The present invention relates to a liquid crystal display panel that is adaptive for preventing rubbing defects and the fabricating method thereof. A liquid crystal display panel according to an embodiment of the present invention includes a black matrix on a substrate; and color filters formed at pixel areas which are defined by the black matrix, wherein a distance between the adjacent color filters is between about 0.1 ?m and about 5 ?m.

Abstract: A color filter substrate is provided, including a substrate, a color filter layer formed on the substrate and including color filters where at least one of the color filters has an opening that partially exposes a portion of the substrate, a planarization layer reducing a step difference between the color filter layer and the portion of the substrate exposed by the opening, and a transparent electrode formed on the planarization layer.

Abstract: A liquid crystal display device includes; a first substrate, a second substrate facing the first substrate and having a common electrode, and a liquid crystal layer, the first substrate including; a plurality of pixels, a thin film transistor, a pixel electrode, a color filter including a first sub color filter, a second sub color filter and a third sub color filter, each sub color filter including a different color, and a shield electrode receiving a common voltage and disposed substantially parallel to the data line along a boundary between adjacent pixels on the color filter, wherein the color filter disposed below the shield electrode comprises a convex region which protrudes toward the second substrate, the plurality of pixels comprise a first pixel having the first sub color filter, a second pixel having the second sub color filter and a third pixel having the third sub color filter, and the third sub color filter forms the convex region.

Abstract: A liquid crystal display includes a first substrate, a second substrate disposed in a position opposite to the first substrate, a liquid crystal interposed between the first and second substrates, a plurality of color element regions provided on the second substrate, and a light shield formed so as to surround the color element regions. A width of the light shield varying depending on the color element region.

Abstract: A plurality of rectangle semiconductor substrates are attached to a single mother glass substrate. A pixel structure is determined so that even if a gap or a an overlapping portion is generated in a boundary between a plurality of semiconductor substrates, a single-crystal semiconductor layer does not overlap with the gap or the overlapping portion. Two TFTs are located in a first unit cell including the first light emitting element, four TFTs are located in a second unit cell including the second light emitting element, and no TFT is located in a third unit cell including the third light emitting element. A boundary line is between the third unit cell and a fourth unit cell.

Abstract: The present invention provides a thin film transistor (“TFT”) array panel including a substrate, first and second transmissive electrodes formed on the substrate, first and second reflective electrodes connected to the first and second transmissive electrodes, respectively, and third and fourth reflective electrodes separated from the first and second transmissive electrodes and the first and second reflective electrodes. A first area ratio of the first and third reflective electrodes is different from a second area ratio of the second and fourth reflective electrodes. A liquid crystal display (“LCD”) includes the TFT array panel, and a method is provided for coinciding voltage-reflection curves of adjacent pixels in the LCD.

Abstract: A liquid crystal display device includes a black matrix between first and second substrates, the black matrix having openings defined therein, color filters between the first and second substrates and aligned with the openings defined in the black matrix, the color filters including first filters having a first color, second filters having a second color, and third filters having a third color; and spacers configured to maintain a predetermined cell gap. The second filters have a recess, such that the second filters have an area that is less than an area of the first filters, the spacers are aligned with regions of the black matrix adjacent to the recesses in the second filters, and alignment layers are on the first and second substrates.

Abstract: An electronic device includes a main body, a touch panel positioned on the main body, a shielding member movably connected to the main body adjacent to the touch panel, and a locking module assembled in the main body. The shielding member is configured to move from a first position on top of the touch panel to a second position at a side of the touch panel automatically. The locking module is configured to lock the shielding member in the first position.

Abstract: The present invention provides a display panel of a flat panel display device of a four-color structure in which color mixture may not occur in a white sub-pixel and a method for fabricating the same. The display device includes first, second, third, and fourth sub-pixels, and each sub-pixel includes a thin film transistor. A color filter is formed adjacent to the thin film transistor of each of the first, second, and third sub-pixels, a planarization layer is formed on the color filters, and a pixel electrode is connected to each thin film transistor.

Abstract: A liquid crystal display includes an insulating substrate, a semiconductor, a gate insulating layer, a gate line, an interlayer insulating layer, a data line, a drain electrode, a passivation layer, and a pixel electrode. The semiconductor is formed on the insulating substrate and includes source, drain, and channel regions. The gate line is formed on the gate insulating layer over the semiconductor, and overlaps the channel region thereof. The data line is formed on the interlayer insulating layer and has a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region. The passivation layer is formed on the data line and drain electrode. The pixel electrode is formed on the passivation layer, and electrically connected to the drain electrode. The data line overlaps the drain region.

Abstract: The present invention is intended to control the color temperature of white exhibited by a liquid crystal display device. White is produced when light waves emitted through pixels associated with three colors of red, green, and blue have maximum intensities. The amounts of light emitted through the respective pixels are controlled by differentiating the shapes of the pixel electrodes disposed at the respective pixels from one another. Thus, the color temperature of white is controlled. Otherwise, the shapes of interceptive films disposed at the respective pixels are differentiated from one another in order to control light waves emitted through the respective pixels. Thus, the color temperature of white is controlled. The interceptive film may be shaped like the pixel electrode. Otherwise, the interceptive film may be realized with an interceptive pattern other than that of the pixel electrode or one of openings bored in a black matrix.

Abstract: As means for providing wide viewing angle of a liquid crystal display device by changing the angle made by the alignment direction and the strip-shaped portions, a phase difference applied in the liquid crystal layer can be matched for every sub pixel area displaying each color. According to the aspect of the invention, by changing the angle made by the alignment direction of the alignment layer and the strip-shaped electrodes for every sub pixel area, the phase difference applied in the liquid crystal layer can be matched for wavelength region of displayed color in sub pixel area. Accordingly, the voltage applied between the pixel electrode and the common electrode when luminance becomes the maximum in each sub pixel area becomes equal and white display in which color is reduced can be performed.

Abstract: To provide a liquid crystal display device to suitably perform color balance adjustment. For this, the liquid crystal display device includes pixel regions each including a light reflection portion and a light transmission portion on a liquid-crystal-side surface of one substrate out of respective substrates arranged to face each other in an opposed manner while sandwiching liquid crystal therebetween, wherein color filters are formed in pixel regions on a liquid-crystal-side surface of the other substrate out of the respective substrates, and each color filter is provided with an opening or notch at a part of a portion facing the light reflection portion in an opposed manner, material layers having a layer thickness substantially equal to a height of step generated by the color filters in regions facing the opening or notch of each color filter in an opposed manner on the liquid-crystal-side surface of one substrate.

Abstract: In the liquid crystal display device, a transparent area is formed in a part of the color filter layer which opposes the reflective electrode. A part of the transparent area opposes a part of the structure formed to make liquid crystal molecules incline. The structure and the transparent area are configured to keep a ratio constant, the ratio being a ratio between a size of the transparent area's part opposing the structure's part and a size of the rest of the transparent area.

Abstract: Chromaticity difference is decreased, which is caused by the difference of transmissivity when a light passes through a transparent conductive film to constitute pixels. Optical film thickness of each of transparent conductive films PXR, PXG, and PXB to constitute pixels (a product “nd” of refractive index “n” and film thickness “d”) is varied for each of color filters RF, GF, and BF for each pixel. The transparent conductive film is prepared by coating an ink (produced by dispersing fine particles of a transparent conductive film material such as ITO in a binder) via nozzle of an ink jet device, and then, by baking. Film thickness is controlled by the coating amount of the ink, and refractive index is controlled by volume ratio of the fine particles of conductive material to the binder contained in the transparent conductive film in consideration of those refractive indices.

Abstract: The present invention is intended to control the color temperature of white exhibited by a liquid crystal display device. White is produced when light waves emitted through pixels associated with three colors of red; green, and blue have maximum intensities. The amounts of light emitted through the respective pixels are controlled by differentiating the shapes of the pixel electrodes disposed at the respective pixels from one another. Thus, the color temperature of white is controlled. Otherwise, the shapes of interceptive films disposed at the respective pixels are differentiated from one another in order to control light waves emitted through the respective pixels. Thus, the color temperature of white is controlled. The interceptive film may be shaped like the pixel electrode. Otherwise, the interceptive film may be realized with an interceptive pattern other than that of the pixel electrode or one of openings bored in a black matrix.

Abstract: An in-plane switching (IPS) mode liquid crystal display (LCD) device having a color filter on TFT (COT) structure therein and a method for manufacturing the same is disclosed to improve picture quality by decreasing the reflection of external light above the data line, to obtain the economic efficiency, simplify the manufacturing process by forming a light-shielding layer of a metal material, and to solve the problem of decreasing aperture ratio after bonding lower and upper substrates to each other.

Abstract: A color filtering member for improving the brightness of a display device is presented. The color filtering member includes colored regions (e.g., regions with RBG color filters) and black-and-white regions for transmitting white light. The black-and-white regions may be colorless gaps between adjacent colored regions. Multiple planarizing layers may be deposited on the colored regions and the black-and-white regions to form a surface that is sufficiently even. The color filtering member may include an intercepting region that extends between neighboring colored regions. The position of the intercepting region is not centered between the two colored regions that it separates. Rather, the intercepting region is shifted in the direction of rubbing (in the direction of liquid crystal alignment) to more effectively cover the regions where light leakage occurs. This color filtering member may be combined with an array member and a liquid crystal layer to form a display device.

Abstract: A color filter substrate includes a substrate and color layers of different colors which are disposed on the substrate. The color layers are provided in unit pixels. The unit pixels each include subpixels. The subpixels each include a reflection region where light entering the pixels is reflected and a transmission region where light entering the pixels is transmitted. The reflection and transmission regions include a different combination of two color layers selected from the color layers for each of the subpixels. The two color layers are adjacent to each other in a plane in the reflection region and are stacked on top of each other in the transmission region. The transmission region of at least one of the subpixels has an unstacked area where one of the two color layers is formed.

Abstract: A transflective Liquid Crystal Display device has a liquid crystalline (LC) cell with reflective portions (101 R) and transmissive portions (101 T). The LCD device has a dual cell-gap design, the cell gap (dT) for the transmissive portions differs from the cell gap (dR) for the reflective portions. According to the invention, this cell gap difference is effected by means of an optical retarder (120) inside the LC cell. A thickness of said optical retarder (120) is such as to compensate the difference in cell gaps. Preferably, the optical retarder is a patterned retarder extending essentially only over the reflective portions (101 R) of the cell, and having quarter wave retardance.

Abstract: An electro-optical device includes three sub-pixels each having a transmitting region and a reflecting region in which a coloring layer having one color among three colors is respectively included and corresponding to the three respective colors and at least one sub-pixel in which a coloring layer having one color other than the three colors is disposed in the transmitting region. In the transmitting region, transmission display is performed and in the reflection region, reflection display is performed. A color display is performed by the reflection display or the transmission display, and one pixel is formed as a display unit by using the transmitting regions of the three sub-pixels corresponding to the three colors and at least one sub-pixel and the reflecting regions of the three sub-pixels corresponding to the three colors.

Abstract: An electro-optical device includes a plurality of sub-pixels each having a light transmission region and a light reflection region, wherein coloration layers of a same color are disposed on each of the light transmission region and light reflection region of each sub-pixel, the coloration layers being constituting a plurality of colors, and color display is implemented for either transmission display or reflection display, the transmission display being implemented by the light transmission region and the reflection display being implemented by the light reflection region, and wherein the number of colors of the coloration layers disposed in the light transmission regions is more than that of the coloration layers in the light reflection regions, whereby a reproducible color range in the transmission display is set to be wider than the reproducible color range in the reflection display, with respect to the xy chromaticity diagram.

Abstract: It is possible to eliminate the blue tone in the black color display in the OCB liquid crystal display device. A liquid crystal display cell (110) includes an opposing substrate (130) having an opposing electrode (Ecom), an array substrate (120) having pixel electrodes of the respective colors (dpixR, dpixG, dpixB), a liquid crystal layer (140) arranged in a bend-arrangement and sandwiched between the opposing substrate (130) and the array substrate (120), and red, green, and blue filter layers (CF(R), CF(G), CF(B)) arranged on one of the substrates. The maximum voltage is applied when performing black color display on the display screen. At least the maximum voltage of the pixel electrode for blue color dpixB applied to the opposing electrode (Ecom) is made different from the maximum voltage of the pixel electrodes of the other colors applied to the opposing electrode (Ecom).

Abstract: A transreflective liquid crystal display comprises a plurality of pixels. Each pixel includes at least four subpixels including a white subpixel, a red subpixel, a green subpixel and a blue subpixel. Each subpixel comprises a transmissive area and a reflective area. The reflective area of the white subpixel is smaller than that of each of the R, G, and B subpixels so that the percentages of effective output light of the white subpixel and the other colored subpixels are consistent in both reflective and transmissive modes.

Abstract: A liquid crystal display (LCD) is disclosed including a first cholesteric liquid crystal (LC) layer between a first and second substrate containing a plurality of adjacent alternately arranged pixels of a first and second primary color. A second cholesteric LC layer between the second substrate and a third substrate contains a plurality of adjacent alternately arranged pixels of the first and a third primary color. The first primary color pixels in the first and second LC layer, and the second primary color pixels in the first LC layer and the primary color pixels of the third primary color in the second LC layer, are arranged behind one another. Two first primary color pixels in the first and second LC layer interact with an adjacent second primary color pixel in the first LC layer and an adjacent third primary color pixel in the second LC layer for representing a display pixel.

Abstract: A display device includes a plurality of pixels in a matrix. Each pixel comprises a first, second, third and fourth primary color subpixel disposed in multiple columns. The first and second primary color subpixels are disposed in a same column, and the third and fourth primary color subpixels are disposed in different columns.

Abstract: An LCD panel is provided for improving reflection efficiency. The LCD panel includes a first substrate defining a plurality of unit pixels, each unit pixel comprising a red sub-pixel area, a green sub-pixel area, a blue sub-pixel area, and a white sub-pixel area; a second substrate defining a plurality of unit pixels, each unit pixel comprising a red sub-pixel area, a green sub-pixel area, a blue sub-pixel area, and a white sub-pixel area; a thin film transistor formed on the first substrate; a pixel electrode connected to the thin film transistor; a reflection electrode connected to the pixel electrode; red, green, and blue color filters formed in the red, green, and blue sub-pixel areas, respectively, of the second substrate; and a light hole formed in the first substrate exposing the white sub-pixel area of the second substrate and exposing at least a portion of a red sub-pixel area, a green sub-pixel area, or a blue sub-pixel area of the second substrate.

Abstract: A liquid crystal display device has been disclosed. The liquid crystal display device provides a display with a high reflectance (high transmittance) and a high color purity while maintaining white balance and adjusts the white balance by changing the occupied area instead of the transmission characteristics of a CF in order to prevent yellowing of the display due to a low-temperature light source.

Abstract: The pixel in a transflective color LCD panel of the present invention has an additional sub-pixel area. According to the present invention, a pixel is selectively divided into at least three color sub-pixels in R, G, B and a fourth sub-pixel M. Each of the color sub-pixels R, G and B is selectively divided into a transmission area and a reflection area. The fourth sub-pixel M can be entirely reflective or partially reflective. The color filter for use in the pixel comprises R, G, B color filter segments corresponding to the R, G, B color sub-pixels and a filter segment for the fourth sub-pixel. The filter segment for the fourth sub-pixel can be entirely colorless or partially colorless. Furthermore, one or more of the R, G, B color filer segments associated with the reflection area may have a colorless sub-segment.

Abstract: The present invention provides a transflective display device capable of extending a color reproduction range and reducing a difference in white balance between transmissive display and reflective display. The display device of the present invention is a transflective display device including four or more filters having different colors in a pixel, each of the four or more filters having different colors including: a transmissive region for displaying an image by transmitting light from a backlight; and a reflective region for displaying an image by reflecting surrounding light, wherein at least two of the four or more filters having different colors are different in a proportion of an area of the reflective region, and the proportion of the area is represented by the following formula (1): Proportion of area of reflective region=Area of reflective region/Effective area of filter??(1).

Abstract: A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mechanism for providing at least two different director configurations simultaneously on different arbitrary regions used for display in the liquid crystal layer; and a reflection film provided to at least one of the different arbitrary regions showing different director configurations; wherein the different arbitrary regions showing different director configurations are used for a reflection display section for showing reflection display and a transmission display section for showing transmission display, respectively.

Abstract: Thin film transistors are formed on a lower substrate, and red, green, blue and transparent color filters are formed thereon. An organic insulating layer is formed on the color filters, and pixel electrodes are formed thereon. A black matrix and a common electrode are formed on an upper substrate facing the lower substrate.

Abstract: A color filter substrate for a liquid crystal display device includes: a substrate having a pixel region; a black matrix on the substrate, the black matrix including a resin and having a curved top surface; and a color filter layer on the black matrix.

Abstract: The present invention provides a color transflective liquid crystal display that is capable of display with good coloring and high visibility in both a reflective mode and a transmissive mode while suppressing deterioration in color reproduction caused by unevenness of the spectral properties of the illumination light, if any. The liquid crystal display can include a liquid crystal display panel including pixels formed of a plurality of sub-pixels each corresponding to different colors, and an illumination device, wherein the liquid crystal display panel includes a transflective layer and a color filter of color corresponding to each of the sub-pixels.

Abstract: A liquid crystal device includes a reflective layer provided on one side of a color filter substrate facing a liquid crystal layer and dividing each of a plurality of pixels into a reflecting portion and an opening. The reflecting portion reflects incident light from a counter substrate side toward the counter substrate, and the opening transmits incident light from the color filter substrate side toward the counter substrate. A region where the pixels are provided is divided into a plurality of sub-regions, and the area of the opening is different for each sub-region. In a first sub-region in which the area of the opening is small, the amount of light reflected by the reflecting portion is large as compared to another sub-region in which the area of the opening is greater than that of the first sub-region.