JP2007256840A - Liquid crystal display panel and liquid crystal display apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid crystal display panel and a liquid crystal display apparatus which can inexpensively perform various direction displays. <P>SOLUTION: The liquid crystal display panel including a pair of opposed substrates and a liquid crystal layer held between both the substrates is provided with an image display area and an illumination display area having pixels with a format different from that of the image display area. The liquid crystal display apparatus is provided with the liquid crystal display panel and a backlight arranged on the rear of the liquid crystal display panel. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a liquid crystal display panel and a liquid crystal display device. More specifically, the present invention relates to a liquid crystal display panel and a liquid crystal display device suitable for display devices for gaming machines.

In recent years, display devices of various shapes and forms have been developed with the development of display technology. For example, in pachinko machines, revolving game machines (slot machines), etc., a display device provided at the center or the periphery of the board has become widespread. The game mode is displayed as an image to the player. In a gaming machine equipped with such a display device, various effects can be performed by the display device in conjunction with the game, enhancing the player's interest and excitement, and improving the function as a gaming machine. become.

In addition, in pachinko machines, light emitting elements such as lamps and light emitting diodes (hereinafter also referred to as “LEDs”) are usually arranged on the board in addition to the display device, and the light emitting elements are special reach, jackpots, etc. Flashing in time with the event increases the player's excitement and willingness to play. However, since there are usually a large number of light-emitting elements for production (hereinafter also referred to as “electric decorations”), there is room for improvement in that the cost of gaming machines increases.

Generally, as a display device used in a pachinko game machine or the like, a thin liquid crystal display device (hereinafter also referred to as “LCD”) having high image quality is used. LCDs used in gaming machines, like LCDs used in televisions, personal computer displays, etc., are usually equipped with a light source such as a backlight in addition to a liquid crystal display panel having a light shutter function. Enables image display. However, in a gaming machine equipped with an LCD, since wiring for electrical connection is required in addition to wiring for LCD connection, there is room for improvement in that the structure of the gaming machine is complicated.

Here, a configuration of a general LCD will be described with reference to FIGS. FIG. 12 is a schematic cross-sectional view showing a cross section of an LCD provided with a conventional edge light type backlight. As shown in FIG. 12, the LCD 208 includes a liquid crystal display panel 108 and a backlight 308 including a light guide plate 3, a light source 28, a reflection plate 48, an optical sheet 68, and a bezel 38. As a result, the light emitted from the light source 28 and traveling through the light guide plate 3 is reflected to the display screen side by the back surface of the light guide plate 3, thereby supplying planar light to the liquid crystal display panel 108. it can. In an LCD provided with such an edge light type backlight, the display device can be thinned.

FIG. 13 is a schematic cross-sectional view showing a cross section of an LCD provided with a conventional direct type backlight. As shown in FIG. 13, the LCD 209 includes a liquid crystal display panel 109 and a backlight 309 including a diffusion sheet 79, a light control film 89, a light source 29, a reflection sheet 99, and a bezel 39. Thereby, the light emitted from the light source 29 and traveling through the light control film 89 and the diffusion sheet 79 can be directly supplied to the liquid crystal display panel 109 as light on the surface. An LCD having such a direct type backlight has high light utilization efficiency.

In the technology related to LCD, a technology for improving the brightness of a display screen by directly irradiating a liquid crystal display panel with a part of light emitted from a linear light source is disclosed (for example, see Patent Document 1). . However, this technique is mainly intended to be used for an in-vehicle warning display, and is not a technique related to a gaming machine. Moreover, in patent document 1, the detail of the form of the liquid crystal display panel was not disclosed at all.
JP-A-11-288614

The present invention has been made in view of the above-described present situation, and an object of the present invention is to provide a liquid crystal display panel and a liquid crystal display device capable of performing various presentation expressions at low cost.

The inventors of the present invention have made various studies on a liquid crystal display panel and a liquid crystal display device that can express various effects at low cost, and have focused on the form of the liquid crystal display panel. The liquid crystal display panel includes an image display region and an electric display region having pixels having a form different from the image display region. The liquid crystal display device includes such a liquid crystal display panel and a backlight. It is found that a liquid crystal display panel that can be used not only for image display but also for applications such as electric decoration, and a liquid crystal display device that has an image display function and functions as electric decoration can be realized. The inventors have conceived that the above problems can be solved brilliantly and have reached the present invention.

That is, the present invention is a liquid crystal display panel having a pair of opposing substrates and a liquid crystal layer sandwiched between the substrates, wherein the liquid crystal display panel includes an image display area and the image display area. It is a liquid crystal display panel (henceforth "the panel of this invention") provided with the illumination display area which has a pixel of a different form.

The present invention is also a liquid crystal display device (hereinafter also referred to as “LCD of the present invention”) including the panel of the present invention and a backlight disposed behind the liquid crystal display panel.
The panel of this invention is explained in full detail below.

The liquid crystal display panel includes a pair of opposed substrates and a liquid crystal layer sandwiched between the substrates. Thus, the panel of the present invention has the same configuration as a general liquid crystal display panel. The display format of the panel of the present invention, such as the liquid crystal mode and the liquid crystal driving method, is not particularly limited, and examples of the liquid crystal mode include TN type, STN type, and IPS type. In addition, examples of the liquid crystal driving method include a simple matrix driving method and an active matrix driving method, and the active matrix driving method is preferable from the viewpoint of displaying a high-definition image. That is, the panel of the present invention is preferably an active matrix liquid crystal display panel.

When the panel of the present invention is an active matrix liquid crystal display panel, it is preferable that one of the substrates has a switching element and a pixel electrode arranged in a matrix, and the other substrate has a common electrode and a color filter. It is preferable to have. Examples of the switching element include a three-terminal element (transistor), a two-terminal element (diode), and a thin film transistor (hereinafter also referred to as “TFT”) is preferable. When the liquid crystal mode is an IPS type or the like, the other substrate does not need to have a common electrode.

On the other hand, when the panel of the present invention is a simple matrix type liquid crystal display panel, the opposing substrate is usually one substrate provided with stripe-shaped signal electrodes (column electrodes) and orthogonal to the signal electrodes. In this way, it is a combination with the other substrate provided with stripe-shaped scanning electrodes (row electrodes).

The liquid crystal display panel includes an image display area and an electric decoration display area having pixels in a form different from the image display area. Having different types of pixels means that the image display area and the illumination display area have different configurations related to display such as the size of each pixel (pixel size) and the presence / absence of a color filter. That is, the panel of the present invention integrally includes pixels having different forms. Therefore, since the image display area can be in a form suitable for image display and the electrical display area can be in a form suitable for electrical display, a liquid crystal display panel capable of performing various presentation expressions at low cost is realized. be able to. The image display area is an area for displaying images such as characters, pictures, symbols, and the like, and various game information such as a game state, a game mode, and an effect screen can be displayed to the player. The illumination display area is an area for performing decorative display such as blinking illumination, and can provide a player with an effect. However, in the panel of the present invention, since the image display area and the illumination display area only need to have different pixel forms, the illumination display area displays images and the like in addition to the decorative display. Also good.

The size of the image display area is not particularly limited, but is preferably large enough to display an image. Specifically, it is preferably 3 inches or more in view of what is on the market. Further, the size of the electrical display area is not particularly limited, but is preferably large enough to obtain an effect as electrical decoration. More specifically, the electrical display area can be visually confirmed, and an image is displayed. It is desirable that the luminance is higher than that of the display area.

There is no particular limitation on the arrangement form of the illumination display area. (1) A form arranged in the peripheral area of the image display area, (2) A form arranged so as to divide the image display area, (3) Image display Examples of the form arranged in the area include the form arranged in the side of at least one side of the image display area when the image display area is a square. As a form of (2), when the image display area is a quadrangle, the image display area is arranged so as to be divided into two vertically and horizontally, and the image display area is divided into four quadrants. In the form (3), one electrical display area is disposed in the image display area, and a plurality of electrical display areas are disposed in the image display area. Form, etc. Form is located on a side of the at least one side of an image display region are preferred. Thereby, the panel of the present invention can effectively achieve both image display and electrical display.

The display formats such as the liquid crystal mode and the liquid crystal driving method in the image display area and the illumination display area are not particularly limited, but each area preferably has the same display format, and in particular, the image display area and the illumination display area are It is more preferable to have the same liquid crystal mode and liquid crystal driving method. Thereby, the panel of this invention can be produced easily. In addition, since the image display area displays an image, each pixel in the image display area preferably has the same form. On the other hand, the electrical display area only needs to be able to perform decorative display such as blinking electrical decoration, so each pixel in the electrical display area may have the same form or not. May be.

The configuration of the panel of the present invention is not particularly limited as long as such components are formed as essential elements, and may or may not include other components. Examples of other components include an optical member such as a polarizing plate and a retardation plate, a spacer, a sealing material, a black matrix, an alignment film, and the like, and these are preferably arranged as necessary.
The preferable form in the panel of this invention is demonstrated in detail below.

The liquid crystal display panel preferably includes a color filter on at least one substrate, and the color filter is preferably disposed in the image display area and not disposed in the illumination display area. Thereby, color display can be performed in the image display area. Moreover, since the brightness | luminance of the light to permeate | transmit can be enlarged in an electrical decoration display area | region, the function as an electrical decoration of an electrical decoration display area | region can be improved.

The color, the number of colors, and the like of the color filter are not particularly limited, but the color filter preferably includes red, green, and blue filters from the viewpoint of appropriately performing color display in the image display region. Further, from the viewpoint of simplifying the manufacturing process of the liquid crystal display panel, the liquid crystal display panel preferably has a color filter on one substrate.

Although the pixel size of the image display area is not particularly limited, it is preferably in the order of μm from the viewpoint of performing high-definition image display. Specifically, the pixel pitch is preferably 1 mm or less, and the pixel pitch is More preferably, it is 500 μm or less. Further, the pixel size of the electric display area is not particularly limited, but from the viewpoint of effectively suppressing the occurrence of defects during the formation of the electric display area, in the panel of the present invention, the electric display area is more than the image display area. In particular, the pixel size is preferably large, and specifically, the pixel pitch of the illumination display area is preferably twice or more the pixel pitch of the image display area. Further, from the viewpoint of facilitating the design of the panel of the present invention, the pixel pitch of the illumination display area is more preferably N times or more (N is an integer of 1 or more) the pixel pitch of the image display area. Since the pixels in the illumination display area only need to have the minimum pixel size necessary to function as illumination, the pixel size in the illumination display area is a high-definition pixel suitable for image display. Can be larger than size.

Note that in this specification, the pixel size is defined by a region where a pixel electrode controlled by one switching element is arranged in an active matrix liquid crystal display panel. Further, in a simple matrix type liquid crystal display panel, it is defined by a region (overlapping region) where a stripe-shaped signal electrode and a scanning electrode intersect. The pixel pitch is defined by the distance connecting the center points of adjacent pixels. Further, in the region where the color filter is formed, the pixel means a region including a filter of one color, a so-called sub-pixel.
The LCD of the present invention is described in detail below.

The LCD of the present invention includes the panel of the present invention and a backlight arranged behind the panel of the present invention. Thus, since the LCD of the present invention has the image display area and the illumination display area, it is possible to realize an LCD capable of performing various presentation expressions at low cost. Therefore, the LCD of the present invention is suitable for display devices for gaming machines. Note that the rear means the display screen side, that is, the side opposite to the side visually recognized by the player. The backlight means a device that irradiates a liquid crystal display panel, and is composed of components such as a light source and an optical sheet.

The configuration of the LCD of the present invention is not particularly limited as long as such a component is formed as an essential component, and may or may not include other components. Examples of other components include a circuit board having various drivers, a power supply circuit, and the like, a bezel, and the like, and these are preferably designed and arranged as necessary.
A preferred embodiment of the LCD of the present invention will be described in detail below.

In the LCD of the present invention, it is preferable that the maximum brightness of the electrical display area is larger than the maximum brightness of the image display area. Specifically, the maximum brightness of the electrical display area is equal to the maximum brightness of the image display area. It is preferably 10 times or more, and more preferably 20 times or more. Thereby, since a player's attention can be drawn to an electrical decoration display area | region, the function as an electrical decoration of LCD of this invention can be improved.
In this specification, the maximum luminance means the maximum luminance on the liquid crystal display panel surface and in the normal direction of the liquid crystal display panel surface, and can be measured in a dark room using a commercially available luminance meter.

In the LCD of the present invention, the backlight system is not particularly limited, but from the viewpoint of versatility, a direct backlight or an edge light (side light) backlight is preferable.

When the LCD of the present invention includes an edge ride type backlight, the backlight is disposed in a peripheral region of the light source other than the light guide plate, the light source disposed on the side of the light guide plate, and between the light guide plate and the light source. And a reflective plate having a translucent portion on the liquid crystal display panel side, the image display area is disposed in a front area of the light guide plate, and the electrical display area is disposed in a front area of the light source. The form (hereinafter also referred to as “first form”) is preferable. That is, the backlight preferably has the same form as a general edge light type backlight. However, in the first embodiment, the reflector disposed so as to surround the light source with the light guide plate and itself has a light transmitting portion on the liquid crystal display panel side. Accordingly, the image display area can be irradiated with the planar light that has passed through the light guide plate, and the image display area can be irradiated with the light that is directly emitted from the light transmitting portion of the reflecting plate. In addition, the light emitted from the light-transmitting part of the reflecting plate does not pass through the light guide plate, so that it can have higher luminance, and as a result, the function as the electric decoration of the electric display area can be improved. Can do. The front area means an area on the display screen side of the light guide plate or the light source, that is, an area on the side viewed by the player.

The form of the translucent part is not particularly limited. The reflector has an opening on the liquid crystal display panel side, the reflector has a transparent region on the liquid crystal display panel side, and the reflector is formed on the liquid crystal display panel side. The form etc. which are not performed are mentioned. In addition, as the light source placement location, when the planar shape of the light guide plate is a square, the light source plate is disposed on one side of the light guide plate, and the light guide plate is disposed on the two opposite sides. The form arrange | positioned to the side of two adjacent sides of a light-guide plate, the form arrange | positioned to the side of three sides of a light-guide plate, the form arrange | positioned to the side of all the sides of a light-guide plate, etc. are mentioned. The planar shape means a shape of a surface substantially parallel to the light emitting surface of the backlight.

In the first embodiment, the light source may emit white light. In this case, a color filter is arranged in the illumination display area, and various colors can be generated in the illumination display area. In the first embodiment, when the light source emits white light and no color filter is arranged in the illumination display area, the color filter has a low transmittance, so that high-luminance emission is possible in the illumination display area. It becomes. The light source that emits white light is not particularly limited, but a white cold cathode fluorescent lamp (hereinafter also referred to as “CCFT”) and a white LED are preferable.

In the first embodiment, the light source preferably includes a red light emitting diode, a green light emitting diode, and a blue light emitting diode, and is suitable for an LCD in which a color filter is not disposed in the illumination display area. As described above, when the color filter is not arranged in the illumination display area and the light source includes the red light emitting diode, the green light emitting diode, and the blue light emitting diode, color light emission in the illumination display area becomes possible. Improve the effect. Moreover, since a high brightness | luminance is obtained in an electrical display area by not arrange | positioning a color filter in an electrical display area, the function as an electrical decoration of LCD of this invention can be improved. Since red, green, and blue are the three primary colors of light, the planar light that passes through the light guide plate is white, which is a mixed color of the three primary colors, and the image display area is irradiated with normal white light. Will be. The arrangement form of the red, green and blue LEDs is not particularly limited, but the red, green and blue LEDs are arranged in order from the viewpoint of mixing the light of each color and making the planar light passing through the light guide plate sufficiently white. It is preferred that In addition, from the same viewpoint, it is preferable to appropriately set the interval between each color LED and the interval between each color LED and the light guide plate.

When the LCD of the present invention includes a direct type backlight, the backlight has an optical sheet and a light source in this order from the liquid crystal display panel side, and the illumination display area is arranged in a front area facing the light source. The optical sheet preferably has a form in which the light transmittance behind the illumination display area is larger than the light transmittance behind the image display area (hereinafter also referred to as “second form”). . That is, the backlight preferably has the same form as a general direct type backlight. However, in the said 2nd form, the light transmittance of the optical sheet (henceforth a "2nd optical sheet") arrange | positioned at the back area | region of an electrical display area | region is arrange | positioned at the back area | region of an image display area. It is larger than the light transmittance of the optical sheet (hereinafter also referred to as “first optical sheet”). Specifically, the light transmittance of the second optical sheet is 10 times or more the light transmittance of the first optical sheet. It is preferable that it is 20 times or more. As described above, the image display area is irradiated with the light transmitted through the first optical sheet having a low transmittance, and the illumination display area is irradiated with the light transmitted through the second optical sheet having a high transmittance. Light having suitable optical characteristics such as directivity and uniformity can be supplied to the image display area, and high-luminance light can be supplied to the illumination display area. As a result, the LCD of the present invention can improve the function as the electric decoration of the electric display area. In addition, a back area means the area | region on the opposite side to the display screen side of an image display area or an electrical decoration display area, ie, the opposite side to the side which a player visually recognizes. In addition, “the illumination display area is arranged in the front area facing the light source” means that the illumination display area is arranged in the front area of the light source and is displayed in the illumination screen when viewed from the display screen side. This means that the area and the light source overlap.

The optical sheet is not particularly limited as long as it changes the optical characteristics of light, and examples thereof include a light control sheet, a diffusion sheet, a prism sheet, and a lens sheet, and may be a laminate of these. The light transmittance can be calculated based on the measurement method of JIS K 7105.

The light transmittance of the first and second optical sheets is not particularly limited as long as the light transmittance of the second optical sheet is larger than the light transmittance of the first optical sheet.

In the second embodiment, the light source may emit white light. In this case, a color filter is arranged in the illumination display area, and various colors can be generated in the illumination display area. Further, in the second embodiment, when the light source emits white light and no color filter is arranged in the illumination display area, the color filter has low transmittance, so that the illumination display area can emit light with high luminance. It becomes. Although it does not specifically limit as a light source which performs white light emission, White CCFT and white LED are suitable.

In the second embodiment, the light source disposed in the rear region facing the illumination display area preferably emits light other than white, and is suitable for an LCD in which no color filter is disposed in the illumination display area. It is. Thereby, even when the color filter is not arranged in the illumination display area, it is possible to emit light in various colors in the illumination display area, and the effect can be further improved, and by not arranging the color filter, Since high brightness is obtained in the illumination display area, the function as the illumination of the panel of the present invention can be further improved. The light source that emits light other than white is not particularly limited, and examples thereof include light sources of various colors such as red light emitting diodes, green light emitting diodes, and blue light emitting diodes. Among them, red light emitting diodes, green light emitting diodes, and blue light emitting diodes. It is preferable that a red light emitting diode, a green light emitting diode, and a blue light emitting diode are arranged in this order. Thereby, the coloring in an image display area can be suppressed. Moreover, in a 2nd form, when a light source is comprised including a point light source, it is preferable that an electrical decoration display area | region is arrange | positioned in the front area | region facing a point light source.

Further, when the LCD of the present invention includes a direct type backlight, the backlight includes an optical sheet and a light source in this order from the liquid crystal display panel side, and the illumination display area is a front facing the light source. A form (hereinafter, also referred to as “third form”) in which the optical sheet is arranged in the area and is not arranged behind the electric display area is also suitable. That is, the backlight preferably has the same form as a general direct type backlight. However, in the said 3rd form, an optical sheet is not arrange | positioned in the area | region facing an electrical decoration display area, but is arrange | positioned in an image display area. In this way, by irradiating the image display area with the light transmitted through the optical sheet and directly illuminating the illumination display area with the light emitted from the light source, optical characteristics such as directivity and uniformity suitable for image display. Can be supplied to the image display area, and high-luminance light can be supplied to the illumination display area.

In the third embodiment, the light source may emit white light. In this case, a color filter is arranged in the illumination display area, and various colors can be generated in the illumination display area. In the third embodiment, when the light source emits white light and no color filter is arranged in the illumination display area, the color filter has a low transmittance, so that the illumination display area can emit light with high luminance. It becomes. Although it does not specifically limit as a light source which performs white light emission, White CCFT and white LED are suitable.

In the third embodiment, the light source disposed in the rear region facing the illumination display area preferably emits light other than white, and is suitable for an LCD in which no color filter is disposed in the illumination display area. It is. As a result, as in the case of the second embodiment, even when no color filter is arranged in the illumination display area, it is possible to emit light in various colors in the illumination display area, and the effect can be further improved. By not arranging the color filter, high brightness can be obtained in the illumination display area, so that the function as the illumination of the panel of the present invention can be further improved. The light source that emits light other than white is not particularly limited, and examples thereof include light sources of various colors such as red light emitting diodes, green light emitting diodes, and blue light emitting diodes. Among them, red light emitting diodes, green light emitting diodes, and blue light emitting diodes. It is preferable that a red light emitting diode, a green light emitting diode, and a blue light emitting diode are arranged in this order. Thereby, the coloring in an image display area can be suppressed. Moreover, in a 3rd form, when a light source is comprised including a point light source, it is preferable that an electrical decoration display area | region is arrange | positioned in the front area | region facing a point light source.

According to the liquid crystal display panel and the liquid crystal display device of the present invention, a liquid crystal display panel that can be used not only for image display but also for applications such as electric decoration, and an image display function as well as an electric decoration function are provided integrally. Since a liquid crystal display device can be realized, various presentation expressions can be performed at low cost.

Embodiments will be described below, and the present invention will be described in more detail with reference to the drawings. However, the present invention is not limited only to these embodiments.

(Embodiment 1)
A liquid crystal display panel according to Embodiment 1 of the present invention will be described with reference to FIGS.
FIG. 1 is a top schematic view showing the liquid crystal display panel of the present embodiment. In FIG. 1, a broken line indicates a boundary line of each pixel in the illumination display area B1, and a number in the image display area A1 indicates a design. As shown in FIG. 1, the liquid crystal display panel 101 of the present embodiment includes an image display area A1 used for image display and an electric display area B2 used for electric decoration in the same liquid crystal display panel. Have. The liquid crystal display panel 101 displays an image of a gaming state and a gaming mode such as jackpot and reach in the image display area A1, while displaying an electrical decoration in the electrical display area B1.

The liquid crystal display panel 101 is a TN mode active matrix liquid crystal display panel, and the image display area A1 includes image display pixels arranged in a matrix. On the other hand, the illumination display area B1 includes the illumination pixels 11b arranged in a line. Each of the image display pixels and the illumination pixels 11b includes a substrate having a TFT, which is a switching element, a pixel electrode, a capacitor electrode, a counter substrate having a color filter, a common electrode, a black matrix, and the like, and a narrow substrate. And a held liquid crystal layer. Thus, each pixel in the liquid crystal display panel 101 has a configuration similar to that of a normal liquid crystal display panel for image display. However, the form of the image display pixel in the image display area A1 is different from the form of the illumination pixel 11b in the electrical display area B1. Specifically, no color filter is arranged in the illumination pixel 11b, and the pixel size of the illumination pixel 11b is larger than the pixel size of the image display pixel. Thus, since the display in the electrical decoration display area B1 can be increased in brightness by eliminating the color filter, the function as the electrical decoration in the electrical decoration display area B1 can be improved. In addition, by increasing the pixel size, it is possible to effectively suppress the occurrence of defects when forming the illumination display area B1.

The switching element is not particularly limited, and an MIM (Metal-Insulator-Metal) type diode or the like may be used in addition to the TFT. Examples of the material of the pixel electrode and the transparent electrode include ITO (Indium Tin Oxide). Examples of the color filter include a stripe arrangement using three-color filters including a red filter, a green filter, and a blue filter. The liquid crystal layer only needs to contain liquid crystal molecules, and examples of the liquid crystal molecules include nematic liquid crystal having a positive anisotropic dielectric constant. Further, a polarizing plate (not shown) may be disposed outside each of the substrates, and a retardation plate (not shown) may be disposed between at least one of the substrates and the polarizing plate.

Here, pixel forms in the liquid crystal display panel of the present embodiment and the conventional liquid crystal display panel will be described in more detail.
FIG. 2A is a conceptual diagram showing the arrangement of pixels in the image display area of the conventional liquid crystal display panel, and FIG. 2B is a circuit diagram in the image display area of the conventional liquid crystal display panel. FIG. 3A is a conceptual diagram showing an arrangement of pixels in the image display area and the illumination display area of the liquid crystal display panel of the present embodiment, and FIG. 3B is an image display area of the liquid crystal display panel of the present embodiment. It is a circuit diagram in the electric display area. In FIGS. 2 and 3, the area surrounded by the broken line indicates the image display area A1, and the area surrounded by the two-dot chain line indicates the electrical display area B1.

First, an arrangement form of pixels in a conventional liquid crystal display panel will be described.
As shown in FIG. 2A, the conventional liquid crystal display panel 100 has n (n: any integer greater than or equal to 1) in the row direction (horizontal direction in FIG. 2) and column direction in the image display area A1. In the vertical direction in FIG. 2, m (m: any integer greater than or equal to 1) image display pixels 11a are arranged in a matrix, and all of these image display pixels 11a are for image display. Used for

Next, an arrangement form of TFTs in a conventional liquid crystal display panel will be described.
As shown in FIG. 2B, corresponding to each of the n × m image display pixels 11a in the image display area A1, source wirings S1, S2,..., Sn and gate wirings G1, G2,. ..Gm are arranged in a lattice pattern. A TFT 1 is disposed in the vicinity of the intersection of each source line and gate line, and is connected to each source line and gate line. Each TFT 1 is connected with a liquid crystal capacitor C _LC composed of a pixel electrode, a liquid crystal layer and a common electrode, and a storage capacitor C _CS composed of a capacitor electrode. In this manner, the TFT 1 is individually provided for each image display pixel 11a, thereby enabling active matrix driving of the liquid crystal display panel.

Next, an arrangement form of pixels and an arrangement form of TFTs in the liquid crystal display panel of this embodiment will be described.
As shown in FIG. 3A, in the liquid crystal display panel 101 of the present embodiment, in the image display area A1, n × m image display pixels 11a are arranged in a matrix like the conventional liquid crystal display panel. Has been placed. On the other hand, in the illumination display area B1, one illumination pixel 11b is arranged in one row corresponding to the three image display pixels 11a in the image display area A1. That is, n / 3 pixels in the row direction and one pixel in the column direction are arranged in a straight line.

As for the arrangement form of the TFTs, as shown in FIG. 3B, in the image display area A1, the source lines S1, S2,..., Sn, and the gate line G1 are the same as in the conventional liquid crystal display panel. , G2,..., Gm and TFT1 are arranged. On the other hand, in the illumination display area B1, the gate line Gp is added next to the gate line Gm, and the source lines S1, S4,..., Sn-2 are further extended to the illumination display area B1, and the gate line Gp. TFT1 is arranged in the vicinity where it intersects. That is, one of the source wirings S1, S2,..., Sn is extended to the illumination display area B1 and connected to the TFT1. In this way, by connecting a part of the source wiring in the image display area A1 to the TFT1 in the illumination display area B1, the image display pixel 11a in the image display area A1 and the illumination pixel 11b in the illumination display area B1. Can be formed integrally.

Next, the operation principle of the pixels in the liquid crystal display panel of this embodiment and the conventional liquid crystal display panel will be described.
First, the operation principle of a pixel in a conventional liquid crystal display panel will be described with reference to FIG. FIG. 4 shows voltage waveforms of a video signal applied to the source lines S1, S2,..., Sn and a synchronization signal applied to the gate lines G1, G2,. It is a schematic diagram of the timing chart which shows a time-dependent change. 4, S1, S2,..., Sn and G1, G2,..., Gm are the source wirings S1, S2,..., Sn and the gate wiring G1 shown in FIG. , G2,..., Gm are video signals and synchronization signals.

As shown in FIG. 4, in the conventional liquid crystal display panel, a synchronization signal having a constant voltage value sufficiently larger than the threshold voltage of the TFT is sequentially applied to the gate lines G1 to Gm. Then, video signals PS / G1, PS having arbitrary voltage values at the source lines S1, S2,..., Sn in accordance with the synchronization signals applied to the gate lines G1, G2,. / G2,..., PS / Gm is applied. 4, 5, and 7, PS / G 1, PS / G 2,..., PS / Gm are images for controlling the pixels connected to the gate wirings G 1, G 2,. Means signal. Thus, in a conventional liquid crystal display panel, each pixel is normally controlled by line sequential scanning.

Next, the operation principle of the pixels in the liquid crystal display panel of this embodiment will be described.
5 shows video signals applied to the source lines S1, S2,..., Sn and gate lines G1, G2,..., Gm, Gp in the liquid crystal display panel of the present embodiment shown in FIG. It is a schematic diagram of the timing chart which shows a time-dependent change of the voltage waveform with the synchronizing signal applied. 5, S1, S2,..., Sn and G1, G2,..., Gm, Gp are the source wirings S1, S2,..., Sn and gate shown in FIG. These are video signals and synchronization signals corresponding to the wirings G1, G2,..., Gm, Gp.

As shown in FIG. 5, in the liquid crystal display panel of this embodiment, each pixel can be controlled by line-sequential scanning as in the conventional liquid crystal display panel. That is, following the gate line Gm, a synchronization signal is applied to the gate line Gp in the illumination display area, and the pixels in the illumination display area are controlled to the source lines S1, S2,. By applying the video signal PS / Gp for this purpose, it is possible to integrally control each pixel of the image display area A1 and the illumination display area B1. Note that the video signal PS / Gp may be applied only to the source lines S1, S4,..., Sn-2 extended to the illumination display area B1.

According to the liquid crystal display panel of the present embodiment, since the image display area and the illumination display area capable of high-luminance display are integrally provided, various presentation expressions can be performed at low cost.

In the liquid crystal display panel 101 of the present embodiment, one illumination pixel 11b is arranged for three image display pixels 11a. However, the size of the illumination pixel 11b can be appropriately designed in accordance with a desired liquid crystal display panel layout. For example, the illumination display region B1 may include only one illumination pixel 11b. . Moreover, the size of each of the illumination pixels 11b may be different in the illumination display area B1. Furthermore, the illumination display area B1 may be disposed above, that is, on the gate line G1 side. In this case, the gate line Gp of the illumination pixel 11b may be disposed in front of the gate line G1.

In addition, the liquid crystal display panel of this embodiment can be easily manufactured by using a conventional method for manufacturing a liquid crystal display panel. That is, it is only necessary to appropriately change the patterning mask pattern of each component in the manufacturing process of the conventional liquid crystal display panel according to the form of the pixel in the liquid crystal display panel of this embodiment.

(Embodiment 2)
A liquid crystal display panel according to Embodiment 2 of the present invention will be described with reference to FIG. The liquid crystal display panel according to the second embodiment is different from the first embodiment only in the form of the pixels in the illumination display area, and therefore, the description overlapping with those in the first and second embodiments is omitted. FIG. 6A is a conceptual diagram showing an arrangement of pixels in the image display area and the illumination display area of the liquid crystal display panel of the present embodiment, and FIG. 6B is an image display area of the liquid crystal display panel of the present embodiment. It is a circuit diagram in the electric display area. In FIG. 6, the area surrounded by a broken line indicates the image display area A1, and the area surrounded by a two-dot chain line indicates the electrical decoration display area B2.

As shown in FIG. 6A, the liquid crystal display panel 102 of the present embodiment includes an image display area A1 similar to that of the first embodiment, and an electric decoration display area B2 disposed on the side of the image display area A1. Have. In the liquid crystal display panel 102, one electric decoration pixel 12b is arranged in one row corresponding to the two image display pixels 11a in the image display area A1 in the electric decoration display area B2. That is, m / 2 pixels in the column direction and one pixel in the row direction are arranged in a straight line. As described above, the liquid crystal display panel 102 according to the present embodiment and the liquid crystal display panel 101 according to the first embodiment are different in pixel arrangement location and pixel size in the electric display area.

As for the arrangement form of the TFT, as shown in FIG. 6B, the source line Sp is added next to the source line Sn in the illumination display region B2, and the gate lines G1, G3,. 1 is extended to the illumination display area B2, and the TFT 1 is disposed in the vicinity of intersecting the source wiring Sp. That is, one of the gate wirings G1, G2,..., Gm is extended to the electrical display region B2 and connected to the TFT1. In this way, by connecting a part of the source wiring in the image display area A1 to the TFT1 in the illumination display area B2, the image display pixel 11a in the image display area A1 and the illumination pixel 12b in the illumination display area B2. Can be formed integrally.

Next, the operation principle of the pixels in the liquid crystal display panel of this embodiment will be described.
7 shows the video signals applied to the source lines S1, S2,..., Sn, Sp and the gate lines G1, G2,... Gm in the liquid crystal display panel of the present embodiment shown in FIG. It is a schematic diagram of the timing chart which shows a time-dependent change of the voltage waveform with the synchronizing signal applied. 7, S1, S2,..., Sn, Sp and G1, G2,..., Gm are the source wirings S1, S2,..., Sn, Sp and gate wiring shown in FIG. These are video signals and synchronization signals corresponding to G1, G2,..., Gm.

As shown in FIG. 7, in the liquid crystal display panel of the present embodiment, each pixel can be controlled by line-sequential scanning as in the conventional liquid crystal display panel. That is, by applying the video signal PS / Gp for controlling the pixels in the illumination display area in accordance with the synchronization signal applied to each of the gate wirings G1, G2,. Each pixel of A1 and electrical display area B2 can be controlled integrally. Note that the video signal PS / Gp may be applied only when a synchronization signal is applied to the gate wirings G1, G3,..., Gm−1 extended to the illumination display area B2.

According to the liquid crystal display panel of the present embodiment, the image display area and the electrical display area arranged in the column direction can be integrally provided.
In the liquid crystal display panel 102 of the present embodiment, the illumination display region B2 may be disposed on the source line S1 side. In this case, the TFT 1 is disposed in front of the source line S1 as in FIG. That's fine.

As described above in Embodiments 1 and 2, according to the present invention, a liquid crystal display panel having an image display area and an illumination display area can be realized, and the layout of the image display area and the illumination display area can be freely set. Can be designed.
In addition, when forming an electrical decoration display area in the image display area, as shown in FIGS. 8A and 8B, the number of TFTs 1 in the electrical display area B is set to the number of TFTs 1 in the image display area A. The number may be less than the number of arrangement. However, in this case, the gate wirings G2, G4,..., Gm that are not connected to the illumination pixel 10b cross the illumination pixel 10b so as to bypass the display area. It is preferable to arrange | position. In the present invention, the number of illumination display areas is not limited to one, and two or more illumination display areas may be provided. For example, (1) two illumination display areas are arranged outside both sides of the image display area facing each other. (2) Two illumination display areas are arranged outside two adjacent sides of the image display area. (3) Four illumination display areas are arranged outside all the sides of the image display area. Or a form in which two illumination display areas are arranged on the outer side of either side of the image display area and in the image display area.

(Embodiment 3)
A liquid crystal display panel according to Embodiment 3 of the present invention will be described. Since the liquid crystal display panel of the third embodiment is different from the first embodiment only in the form of the pixels in the illumination display area, the description overlapping with those in the first and second embodiments is omitted.
The liquid crystal display panel of the present embodiment is similar to the liquid crystal display panel of the first embodiment in that the pixel size in the electrical display area is larger than the pixel size in the image display area. A color filter is also arranged in FIG. Thereby, the liquid crystal display panel of the present embodiment can perform color display in the electrical display area regardless of the color of the light source. Note that the color type and the number of colors of the color filter in the pixel region may be set as appropriate.

(Embodiment 4)
A liquid crystal display panel according to Embodiment 4 of the present invention will be described. Since the liquid crystal display panel of the fourth embodiment is different from the first embodiment only in the form of the pixels in the illumination display area, the description overlapping with those in the first and fourth embodiments is omitted.
Similar to the liquid crystal display panel of the first embodiment, the liquid crystal display panel of the present embodiment has no color filter disposed on the pixels in the illumination display area, but the pixel size in the image display area and the pixel size in the illumination display area. Are the same. Thereby, the liquid crystal display panel of this embodiment can diversify the display pattern of an electrical decoration display area more compared with the liquid crystal display panel of Embodiment 1. FIG.

(Embodiment 5)
The LCD according to the fifth embodiment of the present invention will be described below with reference to FIG.
FIG. 9A is a schematic cross-sectional view showing the cross section of the LCD of the present embodiment taken along the line XY in FIG. 9B, and FIG. 9B shows the light from the light source in all the illumination display areas. FIG. 2C is a schematic top view showing the LCD of the present embodiment in a state where light is transmitted, and FIG. 4C shows the LCD of the present embodiment in a state where light from the light source is not transmitted (shielded) in all the illumination display areas. It is an upper surface schematic diagram, (d) is an upper surface schematic diagram which shows LCD of this embodiment in the state which permeate | transmitted the light from a light source in a part of illumination display area | region. In addition, the broken line in FIG.9 (b) shows the boundary line of each pixel in electrical decoration display area B5, and the number in image display area A5 shows a design in FIG.9 (b)-(d).

As shown in FIG. 9A, the LCD 205 of this embodiment includes a liquid crystal display panel 105 and a backlight 305 disposed behind the liquid crystal display panel 105. The liquid crystal display panel 105 includes the panel receiving mechanism 2. Has been installed. The backlight 305 is an edge light type backlight, and is disposed in the peripheral region of the light source 25 except for the light guide plate 3, the light source 25 disposed on the side of the light guide plate 3, and between the light guide plate 3 and the light source 25. In addition, the liquid crystal display panel 105 includes a reflection plate 45 having the light transmitting portion 5, an optical sheet 65 disposed on the light guide plate 3 on the liquid crystal display panel 105 side, and a bezel 35 that holds these components. Thereby, the backlight 305 can supply the normal planar light emitted from the light guide plate 3 and the high-luminance light emitted from the light transmitting portion 5 to the liquid crystal display panel 101.

As shown in FIG. 9B, the liquid crystal display panel 105 has the same form as the liquid crystal display panel 101 of the first embodiment, and has an image display area A5 and an electrical decoration display area B5. The illumination pixel 15b in the illumination display area B5 is color filter-less and is larger than the size of the illumination pixel 15a in the image display area A5. Further, the electrical decoration display area B <b> 5 is provided in the front area of the light source 25. Thereby, since the illumination display area B5 is directly irradiated with light from the light source 25 through the translucent portion 5, the illumination display area B5 can be displayed with high luminance. On the other hand, the image display area A5 is disposed in the front area of the light guide plate 3, and receives normal planar light from the light guide plate 3 to perform image display.

As shown in FIG. 9B, the light source 25 includes a red LED 25R, a green LED 25G, and a blue LED 25B, and each color LED is arranged in order. Thereby, planar white light which is a color mixture of each color can be supplied to image display area A5, improving the production effect in electrical decoration display area B5.

The light guide plate 3 reflects the light incident from the light source 25 on the back surface of the light guide plate 3 and disperses the light on the liquid crystal display panel 105 side to emit the light. Examples of the material of the light guide plate 3 include acrylic resin and polycarbonate. Examples of the cross-sectional shape of the light guide plate 3 include a rectangular shape in addition to a wedge shape as shown in FIG. In order to improve the light reflection efficiency, the light guide plate 3 may have a reflective sheet attached to the back surface, or may have reflective dots or steps formed on the back surface.

The reflecting plate 45 reflects the light emitted from the light source 25 in the direction of the light guide plate, and the material thereof is not particularly limited, such as aluminum, a sheet in which a reflecting sheet is bonded to the surface facing the light source of aluminum, or the like. Can be mentioned. Further, the cross-sectional shape of the reflecting plate 45 may be a substantially C-shape as well as a substantially U-shape as shown in FIG.

The light transmitting portion 5 is a region that transmits light, and an opening is formed. In addition, as a form of the translucent part 5, the form which arrange | positions transparent resin other than opening, the form which does not form the reflecting plate 4 by the side of the liquid crystal display panel 105, etc. may be sufficient.

The optical sheet 65 is for changing the optical characteristics of the light emitted from the light guide plate 3, and more specifically includes a light diffusion sheet, a prism sheet, a lens sheet, and the like. In addition, the optical sheet 65 may be arrange | positioned also behind the electrical decoration display area B5.

Here, the display mode of the LCD of this embodiment will be described.
First, as shown in FIG. 9B, when all the illumination pixels 15b in the illumination display area B5 are made to transmit light from the light source, the red LED 25R, the green LED 25G, and the blue LED 25B that are the light sources 25 are formed. All will be visible to the player. At this time, the light passing through the electrical decoration display area B5 reaches the player without passing through the optical member such as the light guide plate 3, so that each LED can be seen very brightly. On the other hand, in the image display area A5, normal image display is performed by planar light that passes through the light guide plate 3 and the optical sheet 6.

Further, as shown in FIGS. 9C and 9D, a state in which light from the light source of each of the illumination pixels 15b in the illumination display area B5 is transmitted and a state in which the light from the light source is not transmitted (light shielding). By appropriately changing the above, it is possible to make the player blink and visually recognize each color LED while turning on each color LED, so that it is possible to improve the production effect. As described above, according to the LCD 205 of the present embodiment, various effects can be expressed in the liquid crystal display device including the edge light type backlight. Further, since the light source 25 is used as a light source for image display and electrical decoration, the number of electrical decorations installed in the gaming machine can be reduced, and the cost of the gaming machine can be reduced.

(Embodiment 6)
The LCD according to the sixth embodiment of the present invention will be described below with reference to FIG. FIG. 10 is a schematic cross-sectional view of the LCD of this embodiment. Since the LCD of the present embodiment is different from the LCD of the fifth embodiment only in the form of the backlight, the description of the contents overlapping between the sixth embodiment and the fifth embodiment is omitted.

As shown in FIG. 10, the backlight 306 in the present embodiment is a direct type backlight, and is an optical sheet composed of a diffusion sheet 76 and a light control film 86 from the liquid crystal display panel 106 side having the same form as in the fifth embodiment. 66, a light source 26, and a bezel 36 holding these components in this order. However, the light control sheet 86 is not arrange | positioned behind the electrical decoration display area B6. Thereby, since the light transmittance of the optical sheet 66 in the electrical display area B6 can be made larger than the light transmittance of the optical sheet 66 in the image display area A6, the electrical decoration is similar to the LCD of the fifth embodiment. Light with high luminance can be supplied to the display area B6. A reflection sheet 96 is attached to the inner surface of the bezel 36 on the light source side.

The light source 26 is provided with a white LED 26W in order to supply white light to the image display area A6. However, since the light source in the rear area facing the electrical decoration display area B6 only has to have a function as electrical decoration, the LEDs 56 other than white are arranged. Thereby, the presentation effect in electrical decoration display area B6 can be improved. Moreover, as LED56 other than white, red LED (not shown), green LED (not shown), and blue LED (not shown) are arrange | positioned. Thereby, generation | occurrence | production of coloring in the image display area A can be suppressed.

The optical sheet 66 may include a prism sheet in addition to the diffusion sheet 76 and the light control film 86. Moreover, it is good also as a form which does not arrange | position the optical sheet 66 at the back of electrical decoration display area | region B6. Thereby, since illumination display area | region B6 can be irradiated with higher-intensity light, the liquid crystal display of this embodiment The function as the electrical decoration of the panel can be further improved.

Further, the display form of the LCD 206 of the present embodiment can be displayed in the same manner as the LCD 205 of the fifth embodiment shown in FIG. As described above, the LCD 206 according to this embodiment including the direct type backlight can also perform various presentation expressions at low cost. In the LCD 206 of the present embodiment, as shown in FIG. 11, the illumination display area may be arranged at the center of the liquid crystal display panel 107 so that the illumination display area B7 divides the image display area A7. In this case, the liquid crystal display panel 107 may be a liquid crystal display panel as shown in FIG.

As described above, by using the liquid crystal display panel or the LCD according to the first to sixth embodiments, various presentation expressions can be performed at low cost. As described above, the panel and the LCD of the present invention have a function of simultaneously performing normal image display and light emission that can attract the viewer's attention. It can be suitably used as a display device for various electronic devices such as navigation systems, portable game machines, and mobile phones.

3 is a schematic top view showing the liquid crystal display panel of Embodiment 1. FIG. In FIG. 1, a broken line indicates a boundary line of each pixel in the illumination display area B1, and a number in the image display area A1 indicates a design. (A) is a conceptual diagram which shows the arrangement | sequence of the pixel in the image display area | region of the conventional liquid crystal display panel, (b) is a circuit diagram in the image display area | region of the conventional liquid crystal display panel. In FIG. 2, an area surrounded by a broken line indicates an image display area A1. (A) is a conceptual diagram which shows the arrangement | sequence of the pixel in the image display area of the liquid crystal display panel of Embodiment 1, and an electrical decoration display area, (b) is the image display area of the liquid crystal display panel of Embodiment 1, and an electric display. It is a circuit diagram in a decoration display area. In FIG. 3, an area surrounded by a broken line indicates an image display area A1, and an area surrounded by a two-dot chain line indicates an electrical decoration display area B1. Changes in voltage waveforms of the video signals applied to the source lines S1, S2,..., Sn and the synchronization signals applied to the gate lines G1, G2,. It is a schematic diagram of the timing chart shown. 4, S1, S2,..., Sn and G1, G2,..., Gm are the source wirings S1, S2,..., Sn and the gate wiring G1 shown in FIG. , G2,..., Gm are video signals and synchronization signals. Voltage waveforms of a video signal applied to the source lines S1, S2,..., Sn and a synchronization signal applied to the gate lines G1, G2,..., Gm, Gp in the liquid crystal display panel of the first embodiment. It is a schematic diagram of the timing chart which shows a time-dependent change. 5, S1, S2,..., Sn and G1, G2,..., Gm, Gp are the source wirings S1, S2,..., Sn and gate shown in FIG. These are video signals and synchronization signals corresponding to the wirings G1, G2,..., Gm, Gp. (A) is a conceptual diagram which shows the arrangement | sequence of the pixel in the image display area of the liquid crystal display panel of Embodiment 2, and an electrical decoration display area, (b) is an image display area of the liquid crystal display panel of Embodiment 2, and an electric display. It is a circuit diagram in a decoration display area. In FIG. 6, the area surrounded by a broken line indicates the image display area A1, and the area surrounded by a two-dot chain line indicates the electrical decoration display area B2. Voltage waveforms of a video signal applied to the source lines S1, S2,..., Sn, Sp and a synchronization signal applied to the gate lines G1, G2,..., Gm in the liquid crystal display panel of the second embodiment. It is a schematic diagram of the timing chart which shows a time-dependent change. 7, S1, S2,..., Sn, Sp and G1, G2,..., Gm are the source wirings S1, S2,..., Sn, Sp and gate wiring shown in FIG. These are video signals and synchronization signals corresponding to G1, G2,..., Gm. (A) is a conceptual diagram which shows the arrangement | sequence of the pixel in the image display area and electrical decoration display area of the liquid crystal display panel of the modification 1 which concerns on this invention, (b) is an image of the liquid crystal display panel of the modification 1. It is a circuit diagram in a display area and an electrical decoration display area. In FIG. 8, an area surrounded by a broken line indicates an image display area A, and an area surrounded by a two-dot chain line indicates an electrical decoration display area B. (A) is a cross-sectional schematic diagram which shows the cross section of LCD of Embodiment 5 in the XY line in FIG.9 (b), (b) permeate | transmits the light from a light source in all the illumination display areas. FIG. 10C is a schematic top view showing the LCD of the fifth embodiment in a state where the light is transmitted, and FIG. 8C is a schematic top view showing the LCD of the fifth embodiment in a state where light from the light source is not transmitted (shielded) in all the illumination display areas. It is a figure and (d) is an upper surface schematic diagram which shows LCD of Embodiment 5 in the state which permeate | transmitted the light from a light source in the one part illumination display area | region. In addition, the broken line in FIG.9 (b) shows the boundary line of each pixel in electrical decoration display area B5, and the number in image display area A5 shows a design in FIG.9 (b)-(d). 10 is a schematic cross-sectional view showing a cross section of an LCD according to Embodiment 6. FIG. It is a cross-sectional schematic diagram which shows the cross section of LCD of the deformation | transformation 2 which concerns on this invention. It is a cross-sectional schematic diagram which shows the cross section of LCD provided with the conventional edge light type backlight. It is a cross-sectional schematic diagram which shows the cross section of LCD provided with the conventional direct type | mold backlight.

Explanation of symbols

1: TFT
2: Panel receiving mechanism 3: Light guide plate 5: Translucent portion 10a, 11a: Image display pixels 10b, 11b, 12b: Illumination pixels 25, 26, 28, 29: Light source 25R: Red LED
25G: Green LED
25B: Blue LED
26W: White LED
35, 36, 38, 39: Bezel 45, 48: Reflector 56: LED other than white
60, 65, 66, 68: Optical sheet 76, 79: Diffusion sheet 80, 86, 89: Light control film 96, 99: Reflective sheet 100, 101, 102, 105, 106, 107, 108, 109: Liquid crystal display panel 205, 206, 208, 209: LCD
305, 306, 308, 309: Backlight A, A1, A3, A4, A5, A6, A7: Image display areas B, B1, B2, B3, B4, B5, B6, B7: Illumination display areas S1, S2 ,..., Sn, Sp: source wirings G1, G2,..., Gm, Gp: gate wiring _CLC : liquid crystal capacitor _CCS : storage capacitor

Claims (14)

A liquid crystal display panel having a pair of opposing substrates and a liquid crystal layer sandwiched between the substrates,
The liquid crystal display panel includes an image display area and an electric decoration display area having pixels having a form different from the image display area. The liquid crystal display panel has a color filter on at least one substrate,
The liquid crystal display panel according to claim 1, wherein the color filter is disposed in the image display area and is not disposed in the illumination display area. The liquid crystal display panel according to claim 1, wherein the electric display area has a pixel size larger than that of the image display area. A liquid crystal display device comprising: the liquid crystal display panel according to claim 1; and a backlight disposed behind the liquid crystal display panel. 5. The liquid crystal display device according to claim 4, wherein the liquid crystal display device has a maximum luminance of the electric display area larger than a maximum luminance of the image display area. The backlight includes a light guide plate, a light source disposed on a side of the light guide plate, a reflector disposed in a peripheral region of the light source other than between the light guide plate and the light source, and having a light transmitting portion on the liquid crystal display panel side. Have
The image display area is disposed in a front area of the light guide plate,
The liquid crystal display device according to claim 4, wherein the illumination display area is disposed in a front area of the light source. The liquid crystal display device according to claim 6, wherein the light source emits white light. The liquid crystal display device according to claim 6, wherein the light source includes a red light emitting diode, a green light emitting diode, and a blue light emitting diode. The backlight has an optical sheet and a light source in this order from the liquid crystal display panel side,
The illumination display area is arranged in a front area facing the light source,
5. The liquid crystal display device according to claim 4, wherein the optical sheet has a light transmittance behind the illumination display area larger than a light transmittance behind the image display area. The liquid crystal display device according to claim 9, wherein the light source emits white light. The liquid crystal display device according to claim 9, wherein the light source disposed in a rear region facing the electric decoration display region emits light other than white light. The backlight has an optical sheet and a light source in this order from the liquid crystal display panel side,
The illumination display area is arranged in a front area facing the light source,
The liquid crystal display device according to claim 4, wherein the optical sheet is not disposed behind the illumination display area. The liquid crystal display device according to claim 12, wherein the light source emits white light. The liquid crystal display device according to claim 12, wherein a light source disposed in a rear region facing the electric decoration display region emits light other than white light.

Images