JP2006227580A - Evaluation apparatus of liquid crystal display device, its method, and its program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an animation image evaluation set of a liquid crystal module capable of easily evaluating the images of a main module and a sub-module. <P>SOLUTION: A loop back mechanism 63 is rotationally movably mounted via hinges on an installation surface of a housing box. The liquid crystal module 2 provided with the main module on the front surface and the sub-module 11 on the rear surface is mounted on the loop back mechanism 63. When the liquid crystal module 2 is looped back by the loop back mechanism 63, the animation images displayed on the main module 3 and sub-module 11 of the liquid crystal module 2 can be viewed. The sharpness evaluation of respective images of the main module 3 and the sub-module 11 can be easily performed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an evaluation apparatus for a liquid crystal display device having a first liquid crystal display unit and a second liquid crystal display unit, a method thereof, and a program thereof.

  Conventionally, a moving image evaluation set of a liquid crystal module which is an evaluation device of this type of liquid crystal display device is for evaluating a moving image of a mobile phone or the like equipped with a liquid crystal module provided with a liquid crystal display portion only on one side surface, A notebook personal computer (PC) is provided as an electronic device. The notebook personal computer is provided with a liquid crystal display as a display unit. Further, the notebook personal computer is provided with a first interface unit for file system data signal input / output and a second interface unit for card bus signal output.

  In addition, information such as an FDD (Flexible Disk Drive), a CD-ROM (Compact Disc Read-Only Memory), a DVD (Digital Video Disk), or an LS120 (120M super disk) is included in the first interface unit of the notebook personal computer. An expansion unit on which a storage device, an additional battery, an AC (Alternating Current) adapter, a USB (Universal Serial Bus) connector, and the like are mounted is attached. Further, a printing device such as a PC card, a communication device or a printer, an information reading device such as a scanner, and the like are attached to the second interface unit of the notebook type personal computer.

And after attaching an expansion unit to the 1st interface part of this notebook personal computer, a cellular phone is connected to this expansion unit. In this state, a file-type data signal is input / output from the notebook computer to the mobile phone via the expansion unit, and a moving image is displayed on the liquid crystal display portion of the liquid crystal module of the mobile phone. There is known a configuration in which moving image data displayed on the display unit is displayed on a liquid crystal display of a notebook personal computer (see, for example, Patent Document 1).
JP 2001-92564 A (page 7-11, FIG. 1 and FIG. 2)

  However, in the above-described moving image evaluation set of the liquid crystal module, a moving image displayed on the liquid crystal display portion of the liquid crystal module can be evaluated only if the mobile phone having the liquid crystal module provided with the liquid crystal display portion only on one side surface is attached. . Therefore, a mobile phone or the like to which a liquid crystal module having a liquid crystal display unit on each side surface is attached has a problem that a moving image displayed on each liquid crystal display unit of the liquid crystal module must be evaluated separately. is doing.

  The present invention has been made in view of these points, and an object of the present invention is to provide a liquid crystal display device evaluation apparatus, a method thereof, and a program thereof that can easily evaluate each of images displayed on a plurality of liquid crystal display units. And

  The present invention provides a substantially flat liquid crystal having a first liquid crystal display unit provided on one main surface and a second liquid crystal display unit provided on the other main surface opposite to the one main surface. An evaluation apparatus for a liquid crystal display device for evaluating images displayed on the first liquid crystal display unit and the second liquid crystal display unit of the display device, wherein the liquid crystal display device is installed; A connection provided in the installation section so that the liquid crystal display device can be pivotably connected to the installation section, and the first liquid crystal display section and the second liquid crystal display section of the liquid crystal display device can be visually recognized by the rotation. Part.

  Then, the first liquid crystal display unit of the liquid crystal display device and the first liquid crystal display unit of the liquid crystal display device are rotated by connecting one end portion of the liquid crystal display device to the connection unit provided in the installation unit. Each of the second liquid crystal display units is visible. Therefore, each of the images displayed on the first liquid crystal display unit and the second liquid crystal display unit can be easily evaluated.

  An evaluation apparatus for a liquid crystal display device having a first liquid crystal display unit and a second liquid crystal display unit, wherein a signal source for outputting an interface signal and an interface signal output from the signal source are converted into the first signal A display circuit that converts the liquid crystal display unit and the second liquid crystal display unit to correspond to each other and displays an image on each of the first liquid crystal display unit and the second liquid crystal display unit, and The signal source includes selection means for displaying an image on either the first liquid crystal display unit or the second liquid crystal display unit by selection.

  Then, the signal is selected by a signal source selection unit, and an image is displayed on the first liquid crystal display unit of the liquid crystal display device, and the image displayed on the first liquid crystal display unit is evaluated. Next, the signal is selected by a signal source selection unit, and an image is displayed on the second liquid crystal display unit of the liquid crystal display device, and the image displayed on the second liquid crystal display unit is evaluated. As a result, the image displayed on each of the first liquid crystal display unit and the second liquid crystal display unit of the liquid crystal display device can be evaluated only by changing the selection by the selection means. Each of the images displayed on the two liquid crystal display units can be easily evaluated.

  Further, it is an evaluation method of a liquid crystal display device having a first liquid crystal display unit and a second liquid crystal display unit, and the setting data is input to the signal source in advance and is input to the signal source of the setting file. The setting data is displayed on the display unit of the signal source, a signal for displaying an image on the first liquid crystal display unit and the second liquid crystal display unit is set, and the image is displayed on the first liquid crystal display unit. By inputting a signal to be displayed, an image to be displayed on the first liquid crystal display unit and data of the image are displayed on the display unit, and the image is displayed on the first liquid crystal display unit. In response to an input of a signal for displaying an image on the liquid crystal display unit, an image to be displayed on the second liquid crystal display unit and data of the image are displayed on the display unit, and the image is displayed on the second liquid crystal display unit. It is intended to be displayed on the crystal display unit.

  The setting data is displayed on the display unit of the signal source, and the first liquid crystal display unit and the second liquid crystal display unit are displayed by inputting the setting file set in advance by inputting the setting data to the signal source to the signal source. A signal for displaying an image on the display unit is set. In this state, by inputting a signal for displaying an image on the first liquid crystal display unit, the image displayed on the first liquid crystal display unit and the data of the image are displayed on the display unit, and the image is displayed on the first liquid crystal display unit. 1 is displayed on the liquid crystal display unit 1. In addition, by inputting a signal for displaying an image on the second liquid crystal display unit, the image displayed on the second liquid crystal display unit and the data of the image are displayed on the display unit, and the image is displayed on the second liquid crystal display unit. Display on the LCD. Therefore, the first liquid crystal display unit or the second liquid crystal display unit is displayed by inputting a signal for displaying an image on the first liquid crystal display unit or an input signal for displaying an image on the second liquid crystal display unit. Since the image can be evaluated, each of the images displayed on the first liquid crystal display unit and the second liquid crystal display unit can be easily evaluated.

  According to the present invention, the first liquid crystal display unit and the first liquid crystal display unit of the liquid crystal display device are rotated by connecting the one end portion of the liquid crystal display device to the connection unit. Since each of the two liquid crystal display units can be visually recognized, it is possible to easily evaluate each of the images displayed on the first liquid crystal display unit and the second liquid crystal display unit.

  Further, the first liquid crystal display unit or the second liquid crystal display unit is selected by the signal source selection unit to display an image on the first liquid crystal display unit or the second liquid crystal display unit of the liquid crystal display device. The image displayed on each of the first liquid crystal display unit and the second liquid crystal display unit can be evaluated simply by evaluating the image displayed on the first liquid crystal display unit. Therefore, the first liquid crystal display unit and the second liquid crystal display unit can be evaluated. Each image displayed on the screen can be easily evaluated.

  Further, by inputting a signal for displaying an image on the first liquid crystal display unit or the second liquid crystal display unit, an image displayed on the first liquid crystal display unit or the second liquid crystal display unit and data of the image are displayed. Each is displayed on the display unit, and this image is displayed on the first liquid crystal display unit or the second liquid crystal display unit. Therefore, the image displayed on the first liquid crystal display unit or the second liquid crystal display unit can be evaluated by inputting a signal for displaying the image on the first liquid crystal display unit or the second liquid crystal display unit. Each of the images displayed on the first liquid crystal display unit and the second liquid crystal display unit can be easily evaluated.

  Hereinafter, the configuration of the first embodiment of the evaluation apparatus for a liquid crystal display device of the present invention will be described with reference to FIGS.

  1 and 2, reference numeral 1 denotes a moving image evaluation set as an evaluation apparatus for a liquid crystal display device. The moving picture evaluation set 1 is an apparatus for evaluating a moving picture displayed on a liquid crystal display module 2 of a rectangular flat plate which is a liquid crystal display (LCD) module as a liquid crystal display device for a mobile phone to be evaluated. . As shown in FIG. 3, a main module 3, which is a main LCD serving as a first liquid crystal display unit, is attached to a surface that is one main surface of the liquid crystal module 2. Further, as shown in FIG. 4, a sub-module 11 that is a sub-LCD serving as a second liquid crystal display unit is attached to the back surface that is the other main surface of the liquid crystal module 2. That is, the liquid crystal module 2 is an LCD module integrated with the main module 3 and the sub module 11. The moving image evaluation set 1 is a device that can evaluate moving images displayed on the main module 3 and the sub module 11 of the liquid crystal module 2.

  The main module 3 includes a rectangular flat liquid crystal panel 4 as a flat display panel. On the surface which is one main surface of the liquid crystal panel 4, a plurality of signal lines and a plurality of scanning lines (not shown) are wired in a grid pattern. Further, a thin film transistor (not shown) which is a pixel TFT (Thin Film Transistor) as a switching element connected to each of the signal lines and the scanning lines is provided in the region formed by the plurality of signal lines and the scanning lines. It has been. Therefore, the thin film transistors are formed in a matrix on the liquid crystal panel 4. Therefore, the liquid crystal panel 4 employs a method of sequentially selecting a plurality of signal lines and applying a video signal within one horizontal scanning time.

  Further, as shown in FIGS. 2 and 3, the main module 3 is provided with a source driver 5 and a gate driver 6 which are drivers for driving each thin film transistor of the liquid crystal panel 4 of the main module 3. The source driver 5 and the gate driver 6 are integrated circuits (ICs) and are attached to the lower peripheral edge of the surface of the liquid crystal panel 4. Further, a power supply IC (not shown) can be attached to the lower peripheral edge of the surface of the liquid crystal panel 4.

  The lower edge of the surface of the liquid crystal panel 4 has one side edge of a rectangular flat driver circuit 7 that is a flexible circuit board that displays a moving image on the liquid crystal panel 4 via the source driver 5 and the gate driver 6. Is connected. The driver circuit 7 is arranged to face the back surface of the liquid crystal panel 4 by curving one side edge that is the side connected to the liquid crystal panel 4.

  Furthermore, a rectangular flat plate-like backlight 8 serving as a planar light source is disposed on the back surface of the liquid crystal panel 4 so as to be opposed thereto. The backlight 8 includes a light emitting diode (LED) for a light source (not shown) as a light source.

  The submodule 11 is smaller than the main module 3 and is mounted on the backlight 8 of the main module 3 which is the back surface of the liquid crystal panel 4 on the side opposite to the side where the main module 3 is provided. . The submodule 11 is arranged on the back side of the main module 3 and constitutes the liquid crystal module 2 together with the main module 3. The sub-module 11 includes a rectangular flat liquid crystal panel 12 having a size of 0.9 to 1.2 diagonal as a flat display panel. The liquid crystal panel 12 is smaller than the liquid crystal panel 4 of the main module 3, but is configured in the same manner as the liquid crystal panel 4.

  On the other hand, the moving image evaluation set 1 includes a signal source 21 such as a notebook personal computer (PC). The signal source 21 outputs power for turning on the light emitting diodes built in the backlights 8 of the main module and the sub module of the liquid crystal module 2. At the same time, the signal source 21 drives the liquid crystal module 2 to output a digital interface signal for displaying a moving image or an image. Further, the signal source 21 is provided with a monitor unit 22 as a liquid crystal display unit capable of displaying various images.

  Further, a PC card 26 using a card bus is connected to the signal source 21. Here, the PC card 26 is a unified standard for an expansion card for a notebook personal computer jointly established by PCMCIA (Personal Computer Memory Card International Association) and JEIDA (Japan Electronics Industry Promotion Association). The card bus is a standard for a bus (data transmission path) used in the PC card 26.

  Then, a digital interface signal is extracted from the signal source 21 using the PC card bus output output via the PC card 26. Further, the PC card 26 includes a rectangular flat plate data conversion circuit board 27 as a display circuit. On this data conversion circuit board 27, an FPGA (Field Programmable Gate Array) 28 and a power supply circuit 29 each having a built-in oscillation circuit (not shown) are mounted and installed. Here, only the FPGA 28 is changed in the data conversion circuit board 27. Further, the FPGA 28 receives a digital interface signal output from the signal source 21 using the PC card bus output.

  The FPGA 28 has a circuit function for converting a digital interface signal input from the signal source 21 into a CPU (Central Processing Unit) interface signal necessary for the liquid crystal module 2. Further, the oscillation circuit built in the FPGA 28 generates a clock signal for synchronizing the internal circuit of the FPGA 28. Further, the power output circuit 29 of the data conversion circuit board 27 receives the power output from the signal source 21 using the PC card bus output, and converts the voltage of this power from 3V to 5V, for example.

  Furthermore, a connector 31 electrically connected to each of the FPGA 28 and the power supply circuit 29 is mounted and attached to the data conversion circuit board 27. The connector 31 is connected to a connector 34 which is a SCSI connector on the input side attached on a rectangular flat pitch conversion circuit board 33 via a small computer system interface (SCSI) cable 32. Here, the CPU interface signal converted by the FPGA 28 of the data conversion circuit board 27 is sent to the pitch conversion circuit board 33 via the skazy cable 32 and inputted.

  An output-side connector 35 is attached on the pitch conversion circuit board 33. The connector 35 is connected to a first FFC (Flexible flat cable) 36 having a pitch of 0.5 mm. The pitch conversion circuit board 33 converts the pitch of the squeegee cable 32 to the pitch of the first FFC 36, that is, a pitch of 0.5 mm.

  The first FFC 36 is connected to an input-side connector 42 provided on a rectangular flat LCD product-specific circuit board 41 which is a device-specific circuit board. A CPU interface signal is sent to the LCD product-specific circuit board 41 via the first FFC 36 and inputted. An output-side connector 43 is provided on the circuit board 41 for each LCD product, and a second FFC 44 connected to the liquid crystal module 2 is connected to the connector 43.

  Therefore, the LCD product-specific circuit board 41 converts the CPU interface signal input from the pitch conversion circuit board 33 through the first FFC 36 in accordance with the formats of the main module 3 and the submodule 11 of the liquid crystal module 2. After that, the image is input to the main module 3 and the sub module 11 via the connector 43 and the second FFC 44, and an image, that is, a moving image is displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11, respectively. Supply the signal to be displayed. At the same time, the circuit board 41 for each LCD product receives input power, which is a part of the power whose voltage has been changed by the power supply circuit 29 of the data conversion circuit board 27, from the squeegee cable 32, the pitch conversion circuit board 33, and the first circuit. The liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 are driven by inputting the signals to the main module 3 and the sub module 11 of the liquid crystal module 2 through the FFC 36 and the second FFC 44, respectively.

  Furthermore, a connector 45 for connecting an LCD is provided on the circuit board 41 for each LCD product, and this connector 45 is connected to each of the connector 42 on the input side and the connector 43 for connecting the LED lighting circuit board. Has been. Further, a third FFC 46 is connected to the connector 45. The third FFC 46 is connected to a connector 52 provided on a rectangular flat LED lighting circuit board 51 as a light source lighting circuit board. An LED lighting circuit 53 is mounted and disposed on the LED lighting circuit board 51. In the LED lighting circuit 53, the power converted in voltage by the power supply circuit 29 of the data conversion circuit board 27 is passed through the squeegee cable 32, the pitch conversion circuit board 33, the first FFC 36 and the third FFC 46, respectively. Is input.

  The LED lighting circuit 53 is a power source for LED lighting, and the power input to the LED lighting circuit 53 is used to light each of the light emitting diodes of the main module 3 and the sub module 11 of the liquid crystal module 2. It converts into the LED lighting voltage which lights each of the backlight 8 comprised by the light emitting diode. Further, the LED lighting circuit 53 supplies the power converted into the LED lighting voltage by the LED lighting circuit 53 to the liquid crystal module 2 via the third FFC 46, the LCD product-specific circuit board 41, and the second FFC 44. And the light emitting diodes of the liquid crystal module 2 are turned on so that images displayed on the main module 3 and the submodule 11 of the liquid crystal module 2, that is, moving images can be visually recognized. .

  Here, the LED lighting circuit 53 is configured separately from the LCD product-specific circuit board 41. Further, the LED lighting circuit 53 is for serial display for lighting each light emitting diode when the light emitting diodes of the backlight 8 of each of the main module 3 and the sub module 11 of the liquid crystal module 2 are connected in series. And a control circuit (not shown) for parallel lighting that turns on each of the light emitting diodes when the light emitting diodes are connected in parallel. Therefore, the LED lighting circuit 53 is configured so that a changeover switch (not shown) can be switched and used for each connection method of the light emitting diodes of the backlights 8 of the liquid crystal module 2. In other words, the LED lighting circuit 53 can light each of the light emitting diodes regardless of whether the light emitting diodes of the backlights 8 of the liquid crystal module 2 are connected in series or in parallel.

  The LCD product-specific circuit board 41, the connectors 42, 43, 45 provided on the LCD product-specific circuit board 41, and the second FFC 44 are respectively connected to the liquid crystal module 2 to which the second FFC 44 is connected. This is an area A that must be redesigned and redesigned for each product.

  Further, as shown in FIG. 1, the moving image evaluation set 1 includes an accommodation box 61 that is an installation part as a hollow rectangular parallelepiped casing. The accommodation box 61 accommodates the pitch conversion circuit board 33 therein, and the LCD product-specific circuit board 41 and the LED lighting circuit board 51 are provided on the installation surface 62 as an LCD fixing portion located above the accommodation box 61. Each of the liquid crystal modules 2 is mounted. Further, in the accommodation box 61, the first FFC 36 may be curved in an S-shape, and the pitch conversion circuit board 33 may be disposed so as to overlap the circuit board 41 for each LCD product. Here, the pitch conversion circuit board 33 can be arranged so as to overlap the LED lighting circuit board 51 or the liquid crystal module 2 on the accommodation box 61. Each of the LCD product-specific circuit board 41 and the LED lighting circuit board 51 is arranged in parallel along one side in the width direction of the installation surface 62 of the accommodation box 61. That is, each of the LCD product-specific circuit board 41 and the LED lighting circuit board 51 is provided along the longitudinal direction of the installation surface 62 of the accommodation box 61.

  Further, on the installation surface 62 of the storage box 61, a folding mechanism 63 is provided as a connection portion for rotatably installing the liquid crystal module 2 on the installation surface 62. The folding mechanism 63 includes a hinge 64 which is a connecting portion as a rotating portion for connecting the liquid crystal module 2 to the installation surface 62 of the storage box 61 so as to be rotatable. The hinge 64 has a lower end portion which is one end in the vertical direction of the liquid crystal module 2 via a mounting frame 65 so as to be rotatable on the installation surface 62 of the storage box 61, and the front and back surfaces of the liquid crystal module 2 are connected to each other. It can be folded. That is, the hinge 64 is used to mount the liquid crystal module 2 on the installation surface 62 of the storage box 61 so that the moving images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the submodule 11 of the liquid crystal module 2 can be visually recognized. The upper part is connected to be rotatable. Further, the hinge 64 is mounted on the installation surface 62 by being attached to the other side of one end portion in the longitudinal direction of the installation surface 62 of the storage box 61, and a rotation axis along the width direction of the installation surface 62. have. Further, the hinge 64 is provided at a position closer to the other side in the width direction of the storage box 61.

  The hinge 64 is fixed at its lower end, which is one end in the longitudinal direction of a rectangular frame-shaped mounting frame 65, which is a mounting member as an LCD fixing portion. The mounting frame 65 is a part for fixing the liquid crystal module 2. That is, the mounting frame 65 is in a state in which the longitudinal direction of the mounting frame 65 is orthogonal to the axial direction of the rotation axis of the hinge 64 and the width direction of the mounting frame 65 is aligned with the axial direction of the rotation axis of the hinge 64. Thus, the hinge 64 is connected. Accordingly, the mounting frame 65 is mounted on the installation surface 62 in a state where the width direction of the mounting frame 65 is aligned with the width direction of the installation surface 62 of the storage box 61. A rectangular attachment opening 66 to which the liquid crystal module 2 can be attached is provided at the center of the attachment frame 65. The attachment opening 66 penetrates in the thickness direction of the attachment frame 65 and is formed in a rectangular shape substantially equal to the outer shape of the liquid crystal module 2.

  Further, the liquid crystal module 2 is detachably fitted and attached to the attachment opening 66. Specifically, the liquid crystal module 2 is attached to the attachment opening 66 in a state where the vertical direction and the horizontal direction of the liquid crystal module 2 are along the vertical direction and the horizontal direction of the attachment frame 65, respectively. In addition, when the mounting frame 65 is rotated via the hinge 64, the side on which the sub-module 11 of the liquid crystal module 2 is mounted faces the mounting opening 66 facing the installation surface 62 of the storage box 61. The liquid crystal module 2 is attached so as to be installed. Therefore, the liquid crystal module 2 is rotatably installed on the installation surface 62 in a state where the horizontal direction of the liquid crystal module 2 is along the width direction of the installation surface 62 of the storage box 61. The liquid crystal module 2 is provided on the other side in the width direction of the installation surface 62 in a state where the liquid crystal module 2 is installed on the installation surface 62 of the storage box 61, and the circuit board for each LCD product on the installation surface 62 It is installed on the other side of 41 and is attached along the longitudinal direction of this installation surface 62.

  Therefore, the folding mechanism 63 displays on the liquid crystal panel 4 of the main module 3 of the liquid crystal module 2 in a state where the side of the liquid crystal module 2 to which the sub module 11 is attached is placed on the installation surface 62 of the storage box 61. Allows evaluation of videos being played. Further, the folding mechanism 63 rotates the upper side of the liquid crystal module 2 upward via the hinge 64 of the folding mechanism 63 so that the vertical direction of the liquid crystal module 2 is folded substantially in the vertical direction. Thus, it is possible to evaluate a moving image displayed on the liquid crystal panel 12 of the submodule 11 of the liquid crystal module 2. Accordingly, the folding mechanism 63 enables evaluation of moving images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 of the liquid crystal module 2 installed on the installation surface 62 of the storage box 61, respectively. .

  Further, the folding mechanism 63 connects the liquid crystal module 2 on the installation surface 62 of the storage box 61 so that the liquid crystal module 2 can be rotated in a state where the horizontal direction of the liquid crystal module 2 is along the width direction of the installation surface 62 of the storage box 61. I am letting. Therefore, the folding mechanism 63 rotates the liquid crystal module 2 installed and attached to the installation surface 62 of the storage box 61 with the hinge 64, whereby each of the main module 3 and the sub module 11 of the liquid crystal module 2 is rotated. The moving images displayed on the liquid crystal panels 4 and 12 can be simultaneously evaluated.

  A slide mechanism 67 is provided on the other side in the width direction of the storage box 61 so that the other side of the storage box 61 can slide in the vertical direction. The slide mechanism 67 moves the other side in the width direction of the storage box 61 up and down relative to one side in the width direction of the storage box 61, and adjusts the angle of the installation surface 62 of the storage box 61, Image quality evaluation of moving images displayed on the main module 3 and the submodule 11 of the liquid crystal module 2 is facilitated.

  Further, the slide mechanism 67 makes it possible to adjust the inclination angle of the installation surface 62 of the storage box 61 in the longitudinal direction. That is, the slide mechanism 67 is configured such that the sub-module 11 side of the liquid crystal module 2 faces the installation surface 62 of the storage box 61 from the front end side which is one end in the longitudinal direction of the storage box 61. The vertical inclination angle of the liquid crystal module 2 on the installation surface 62 can be adjusted so that the moving image displayed on the liquid crystal panel 4 of the main module 3 can be visually recognized. Make it possible.

  Next, the operation of the first embodiment will be described.

  First, the digital interface signal extracted from the signal source 21 using the PC card bus output by the PC card 26 is output to the FPGA 28 of the data conversion circuit board 27.

  At this time, the FPGA 28 converts the digital interface signal input from the signal source 21 into CPU interface signals necessary for the main module 3 and the submodule 11 of the liquid crystal module 2. At the same time, the oscillation circuit incorporated in the FPGA 28 generates a clock signal for synchronizing the internal circuit of the FPGA 28.

  Further, the electric power extracted from the signal source 21 using the PC card bus output by the PC card 26 is output to the power supply circuit 29 of the data conversion circuit board 27. At this time, the power supply circuit 29 converts the voltage of the power input to the power supply circuit 29.

  Next, the CPU interface signal converted by the FPGA 28 is output to the pitch conversion circuit board 33.

  At this time, the pitch conversion circuit board 33 converts the pitch of the squeegee cable 32 to the pitch of the first FFC 36.

  Further, after the pitch conversion is performed by the pitch conversion circuit board 33, a CPU interface signal is output to the LCD product-specific circuit board 41.

  At this time, the CPU interface signal input from the pitch conversion circuit board 33 is converted by the circuit board 41 for each LCD product in accordance with the formats of the main module 3 and the submodule 11 of the liquid crystal module 2.

  Next, the CPU interface signal converted by the circuit board 41 for each LCD product is sent to the main module 3 and the sub module 11 of the liquid crystal module 2, and the liquid crystal panel 4 of each of the main module 3 and the sub module 11. , 12 is supplied with a signal for displaying a moving image.

  At the same time, the LCD product-specific circuit board 41 allows the input power, which is part of the power whose voltage has been changed in the power supply circuit 29 of the data conversion circuit board 27, to the main module 3 and the submodule 11 of the liquid crystal module 2. Then, the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 are driven.

  Further, the remaining power whose voltage has been changed by the power supply circuit 29 of the data conversion circuit board 27 is output to the LED lighting circuit 53 of the LED lighting circuit board 51.

  At this time, the power output to the LED lighting circuit 53 by the LED lighting circuit 53 is changed to the LED lighting voltage for lighting the light emitting diodes of the backlights 8 of the main module 3 and the submodule 11 of the liquid crystal module 2. Converted.

  Thereafter, the power converted into the LED lighting voltage by the LED lighting circuit 53 is output to the respective backlights 8 of the main module 3 and the submodule 11 of the liquid crystal module 2, and each of the backlights 8. The light emitting diode is turned on, and the moving images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 are made visible.

  As described above, according to the first embodiment, the liquid crystal module 2 provided with the main module 3 on the front surface and the sub module 11 on the back surface is attached to the attachment opening 66 of the attachment frame 65 of the folding mechanism 63. Fit to fit. The moving image is displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 of the liquid crystal module 2 with the sub module 11 side of the liquid crystal module 2 facing the installation surface 62 of the storage box 61. .

  At this time, since the main module 3 side of the liquid crystal module 2 faces upward, the moving image displayed on the liquid crystal panel 4 of the main module 3 can be visually observed. Therefore, the moving image displayed on the liquid crystal panel 4 of the main module 3 can be evaluated by visually observing the moving image displayed on the liquid crystal panel 4 of the main module 3.

  Next, when the liquid crystal module 2 is rotated through the hinge 64 of the folding mechanism 63 so that the sub module 11 of the liquid crystal module 4 can be visually recognized, the moving image displayed on the liquid crystal panel 12 of the sub module 11 can be viewed. Accordingly, by visually observing the moving image displayed on the liquid crystal panel 12 of the submodule 11, the moving image displayed on the liquid crystal panel 12 of the submodule 11 can be evaluated.

  As a result, the liquid crystal module 2 installed on the installation surface 62 of the storage box 61 is turned and turned by the hinge 64 of the folding mechanism 63, whereby the liquid crystal of each of the main module 3 and the sub module 11 of the liquid crystal module 2 is returned. The moving images displayed on the panels 4 and 12 can be visually observed. Therefore, the images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 are evaluated by viewing the moving images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 respectively. it can.

  Therefore, the integrated liquid crystal module 2 that is generally used for a folding cellular phone or the like and in which the main module 3 is provided on the front surface and the sub module 11 is provided on the back surface can be mounted on the installation surface 62 of the storage box 61. Further, the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 of the liquid crystal module 2 can be simultaneously and easily evaluated without turning over the liquid crystal module 2 and replacing it with the moving image evaluation set 1. Therefore, the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 of the liquid crystal module 2 can be visually recognized and evaluated by the same method as the method of using the folding cellular phone.

  In addition, since the digital interface signal is output from the signal source 21 to the data conversion circuit board 27 using the PC card bus output via the PC card 26, the transfer speed of the digital interface signal can be greatly improved. The liquid crystal module 2 connected to the LCD product-specific circuit board 41 can display a moving image of 15 frames / second to about 30 frames / second, that is, up to 30 frames / second. Therefore, the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 of the liquid crystal module 2 can be evaluated for moving picture images of up to 30 frames / second.

  In the first embodiment, the liquid crystal module 2 is attached to the attachment frame 65 of the folding mechanism 63 so that the sub-module 11 side of the liquid crystal module 2 faces the installation surface 62 of the storage box 61. The liquid crystal module 2 may be attached to the attachment frame 65 of the folding mechanism 63 so that the main module 3 side of the liquid crystal module 2 faces the installation surface 62 of the storage box 61.

  Further, the mounting frame 65 of the folding mechanism 63 is rotatably mounted on the installation surface 62 of the storage box 61 via the hinge 64. The liquid crystal module 2 mounted on the mounting frame 65 is mounted on the installation surface 62 of the storage box 61. Any structure that can be rotated above can be used in a corresponding manner even if the rotating part has a structure other than the hinge 64.

  Further, as in the second embodiment shown in FIG. 6, each of the main module 3 and the submodule 11 of the liquid crystal module 2 can be installed on the installation surface 62 of the storage box 61 facing upward. . Here, as shown in FIGS. 8 and 9, the source driver 5 and the gate driver 6 of the submodule 11 are integrally formed as a source / gate driver 70.

  Then, as shown in FIG. 5, the monitor unit 22 of the signal source 21 of the moving picture evaluation set 1 has a select button 71 for the main module 3 as a selection means for displaying an image only on the liquid crystal panel 4 of the main module 3. Each of the select buttons 72 for the submodule 11 as a selection means for displaying an image only on the liquid crystal panel 12 of the submodule 11 is displayed and provided. Therefore, this moving image evaluation set 1 displays an image only on the liquid crystal panels 4 and 12 of either the main module 3 or the submodule 11 by selecting and clicking either of the select buttons 71 and 72.

  Further, a rectangular picture draw area 73 is provided and displayed on the right side of the monitor 22 of the signal source 21 when viewed from the front. On the upper side of the picture draw area 73, a DLL (Dynamic Link Library) File area 74 for inputting a register setting file is provided. Here, this register setting file is provided corresponding to the respective registers for the source driver 5 and the gate driver 6 of the main module 3 and for the source / gate driver 70 of the submodule 11.

  The DLL File area 74 is provided with a select button 75 for selecting a register setting file to be input to the DLL File area 74. Further, below the DLL File area 74 in the picture draw area 73, a transfer speed display area 76 for displaying an image transfer speed when displaying an image on the liquid crystal panels 4 and 12 of the main module 3 or the sub module 11 is displayed. Is provided.

  Further, on the lower left side of the transfer speed display area 76 in the picture draw area 73, a main screen as a main liquid crystal screen data display section for displaying screen data of an image to be displayed on the liquid crystal panel 4 of the main module 3. A data display unit 77 is provided. Further, on the lower right side of the transfer speed display area 76 in the picture draw area 73, a sub screen as a sub liquid crystal screen data display unit for displaying screen data of an image to be displayed on the liquid crystal panel 12 of the sub module 11 is displayed. A data display section 78 is provided. Also, previews of images to be displayed on the liquid crystal panels 4 and 12 of either the main module 3 or the sub module 11 are displayed below the main screen data display section 77 and the sub screen data display section 78 in the picture draw area 73, respectively. Is provided with a screen preview unit 79.

  Further, a command test display area 81 for displaying a command test (Command Test) is provided and displayed on the left side of the monitor 22 of the signal source 21 when viewed from the front. On the left side of the command test display area 81 when viewed from the front, a register setting data display section 82 displays register setting data corresponding to the register setting file selected by the select buttons 71 and 72 and input to the DLL file area 74. Is provided. The register setting data display unit 82 displays the register setting data separately for an address (Address) and a comment (Comment). Further, a sequence setting data display section 83 is provided on the right side of the command test display area 81 as viewed from the front. The sequence setting data display unit 83 displays the sequence setting data separately for an address (Address), write data (Write Date), and a comment (Comment).

  Here, when the select button 71 for the main module 3 is clicked, the signal source 21 causes the signal source 21 to output a CPU interface signal for displaying a moving image only on the liquid crystal panel 4 of the main module 3. In addition, when the select button 72 for the submodule 11 is clicked, the signal source 21 causes the signal source 21 to output a CPU interface signal for displaying a moving image only on the liquid crystal panel 12 of the submodule 11. Therefore, the signal source 21 is installed with software for switching between the display of the liquid crystal panel 4 of the main module 3 and the display of the liquid crystal panel 12 of the submodule 11.

  On the other hand, as shown in FIG. 6, each of the main module 3 and the submodule 11 is installed on the installation surface 62 of the storage box 61 of the moving image evaluation set 1. The FPGA 28 of the moving image evaluation set 1 has a circuit function for separating and converting the digital interface signal input from the signal source 21 into two CPU interface signals necessary for the main module 3 and the submodule 11, respectively. ing. Further, the LCD product-specific circuit board 41 of the moving image evaluation set 1 is connected to the base end side of the first FPC 91 which is a flexible printed circuit (FPC) having a front end side divided into two branches. Here, the first FPC 91 can also be configured by an FFC (Flexible flat cable).

  Further, the proximal end side of the first FPC 91 is connected to the connector 45 of the circuit board 41 for each LCD product. Further, the front end side of one branch piece 92 divided into two forks of the first FPC 91 is connected to the main module 3. Furthermore, the tip end side of the other branch piece 93 divided into the fork of the first FPC 91 is electrically connected to the submodule 11. One branch piece 92 of the first FPC 91 is bent at a right angle from the base end side of the first FPC 91. Further, the other branch piece 93 of the first FPC 91 projects linearly from the bent portion of the one branch piece 92 from the base end side of the first FPC 91, and then the bending direction of the one branch piece 92 Bent at a right angle toward One branch piece 92 projects from the other branch piece 93, and the submodule 11 is installed on the side of the one branch piece 92.

  Further, as shown in FIG. 7, a second LED lighting circuit 94 is mounted and disposed on the LED lighting circuit board 51. In the second LED lighting circuit 94, the electric power whose voltage is converted by the power supply circuit 29 of the data conversion circuit board 27 is supplied to the squeegee cable 32, the first FFC 36, the pitch conversion circuit board 33, and the third FFC 46. Input through each. The second LED lighting circuit 94 is configured in the same manner as the LED lighting circuit 53 that is the first LED lighting circuit, and the electric power input to the second LED lighting circuit 94 is supplied to the sub-module 11. It converts into the LED lighting voltage which makes each light emitting diode of the backlight 8 light.

  Further, the second LED lighting circuit 94 uses the third FFC 46, the LCD product-specific circuit board 41, and the first FPC 91, with the electric power converted into the LED lighting voltage by the second LED lighting circuit 94. The sub-module 11 has a function of turning on each light-emitting diode of the backlight 8 of the sub-module 11 so that an image displayed on the sub-module 11, that is, a moving image can be visually recognized. Yes. Therefore, the LED lighting circuit board 51 outputs two LED lighting voltages by the LED lighting circuit 53 and the second LED lighting circuit 94. Specifically, the LED lighting circuit board 51 causes the LED lighting circuit 53 and the second LED lighting circuit 94 to light up the light emitting diodes of the backlights 8 of the main module 3 and the sub module 11, respectively. Two LED lighting voltages capable of lighting the backlight 8 composed of diodes are output.

  Then, the LCD product-specific circuit board 41 supplies a CPU interface signal and input power to the main module 3 and the submodule 11 via the first FPC 91, respectively. Further, the LCD product-specific circuit board 41 uses the LED lighting circuit 53 on the LED lighting circuit board 51 and the LED lighting power supplied from the second LED lighting circuit 94 via the third FFC 46 as the first. Are supplied to each of the main module 3 and the submodule 11 via the FPC 91.

  Specifically, the circuit board 41 for each LCD product includes a data (DATA) signal, a write (WR) signal, and a read (RD) signal among the two systems of CPU interface signals input to the main module 3 and the submodule 11. The reset (RST) signal is shared so as to correspond to the main module 3 and the submodule 11, respectively. Further, the LCD product-specific circuit board 41 converts the chip select (CS) signal among the CPU interface signals input to the main module 3 and the submodule 11 so as to correspond to the main module 3 and the submodule 11. Are input to the main module 3 and the sub module 11 separately.

  Next, the operation of the second embodiment will be described.

  First, click the select button 75 in the DLL File area 74 displayed on the monitor unit 22 of the signal source 21 to input a predetermined register setting file that has been set in advance in the DLL File area 74 (step 1).

  At this time, the register setting data input and set in advance corresponding to the register setting file is displayed on the register setting data display unit 82 on the monitor unit 22, and at the same time, an image is displayed on the main module 3 and the sub module 11. For each of the source driver 5 and the gate driver 6 arranged on the main module 3 and the source / gate driver 70 arranged on the submodule 11. Register is set.

  Thereafter, the select button 71 for the main module 3 displayed on the monitor unit 22 of the signal source 21 is clicked to select the bitmap data which is the screen data for the main module 3 in the signal source 21 and The data is displayed on the screen data display section 77 and input (step 2).

  At this time, an image based on the bitmap data for the main module 3 displayed on the main screen data display unit 77 is previewed and displayed on the screen preview unit 79 of the monitor unit 22 of the signal source 21. It is displayed on the liquid crystal panel 4 of the main module 3.

  Also, by clicking the select button 72 for the submodule 11 displayed on the monitor unit 22 of the signal source 21, the bitmap data that is the screen data for the submodule 11 in the signal source 21 is selected and the sub screen is displayed. The data is displayed on the data display section 78 and input (step 3).

  At this time, an image based on the bitmap data for the sub module 11 displayed on the sub screen data display unit 78 is previewed and displayed on the screen preview unit 79 of the monitor unit 22 of the signal source 21, It is displayed on the liquid crystal panel 12 of the submodule 11.

  Next, in the transfer speed display area 76 displayed on the monitor unit 22 of the signal source 21, a speed at which a moving image is displayed is input as a number, and the moving image is displayed on the liquid crystal panels 4 and 12 of the main module 3 or the submodule 11. Is displayed (step 4).

  Here, the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 can display a moving image at a maximum speed of 30 frames / second at 176 pixels × 220 pixels, for example. In addition, when the liquid crystal panels 4 and 12 are QVGA (Quarter Video Graphics Array: 240 pixels × 320 pixels) generally used in a mobile phone, a moving image can be displayed at a maximum of 15 frames / second.

  As described above, according to the second embodiment, the FPGA 28 of the moving image evaluation set 1 uses the digital interface signal input from the signal source 21 as two systems necessary for the main module 3 and the submodule 11 respectively. Therefore, an image can be displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 by the two CPU interface signals that have been separated and converted. Further, since the LED lighting voltage 53 of the LED lighting circuit board 51 and the second LED lighting circuit 94 can output two LED lighting voltages, each of the main module 3 and the sub-module 11 can be output by the two LED lighting voltages. Each light emitting diode of the backlight 8 can be turned on.

  In this state, by selecting and clicking the select button 71 for the main module 3 displayed on the monitor unit 22 of the signal source 21, the liquid crystal of the main module 3 installed on the installation surface 62 of the storage box 61 is displayed. An image is displayed on the panel 4, and the image quality of the liquid crystal panel 4 can be evaluated. Similarly, by selecting and clicking the select button 72 for the submodule 11 displayed on the monitor unit 22 of the signal source 21, the liquid crystal panel of the submodule 11 installed on the installation surface 62 of the storage box 61 is displayed. An image is displayed at 12, and the image quality of the liquid crystal panel 12 can be evaluated.

  Therefore, it is possible to display an image on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11, respectively, by changing the selection of the select buttons 71 and 72 and clicking the back of each of the main module 3 and the sub module 11. Each light emitting diode of the light 8 can be turned on. Therefore, since the images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 can be visually recognized, the images displayed on the liquid crystal panels 4 and 12 of the main module 3 and the sub module 11 can be easily displayed. Since the image quality can be evaluated, the same effects as those of the first embodiment can be obtained.

  In the second embodiment, the configuration in which the source driver 5 and the gate driver 6 or the source / gate driver 70 are separately provided for the main module 3 and the sub module 11 has been described. As in the third embodiment shown in FIG. 11, the source driver 5 and the gate driver 6 for the main module 3 and the source driver 5 and the gate driver 6 or the source / gate driver 70 for the submodule 11 are integrated. The body-type source / gate driver 96 is further configured as a main module / sub-module source / gate driver 97 integrated type as in the fourth embodiment shown in FIGS. And a structure capable of displaying images on the liquid crystal panels 4 and 12 of the submodules 11 respectively. It can also be a. Specifically, the source / gate driver 96 is attached to the surface side of the liquid crystal module 2 to which the main module 3 is attached.

  In the first to fourth embodiments, the liquid crystal module 2 including a total of two liquid crystal display units, ie, the main module 3 and the sub module 11, has been described. However, two or more, that is, a plurality of liquid crystal display units are provided. Even the liquid crystal module 2 provided can be used correspondingly.

  Further, as in the fifth embodiment shown in FIGS. 14 to 16, a serial digital interface signal is output from a signal source 21 via a USB (Universal Serial Bus) cable 101, and the serial digital interface signal is serially output. The parallel conversion circuit 102 may convert the signal into a parallel digital interface signal and then send the signal to the FPGA 28 for input. Here, the USB cable 101 is connected to a USB output provided at the signal source 21 at one end of the USB cable 101, and takes out the serial digital interface signal output from the signal source 21.

  Further, a serial digital interface signal is output from the USB output of the signal source 21, and the USB cable 101 is connected to the USB output. The USB cable 101 has the other end of the USB cable 101 connected to a connector 104, and the connector 104 is connected to a serial / parallel conversion circuit 102. The serial / parallel conversion circuit 102 is a serial / parallel conversion board as serial / parallel conversion means, and converts the serial digital interface signal output from the signal source 21 via the USB cable 101 into a parallel digital interface signal.

  A frame memory circuit 103 is connected to the serial / parallel conversion circuit 102. The frame memory circuit 103 stores the parallel digital interface signal converted by the serial / parallel conversion circuit 102. Specifically, the frame memory circuit 103 has a memory capacity of, for example, a QVGA (Quarter Video Graphics Array) pixel (240 × 320 pixels) or more and a VGA (Video Graphics Array) pixel (480 × 640 pixels) or less. is doing.

  Further, the frame memory circuit 103 is connected to the FPGA 28, and the parallel digital interface signal stored in the frame memory circuit 103 is sent to the FPGA 28, which is necessary for video display on the liquid crystal module 2 by the FPGA 28. Converted to CPU interface signal. Further, the CPU interface signal is sent to the LCD product-specific circuit board 41 via the connector 31 and the first FFC 36.

  Here, the FGPA 28 is connected to the connector 31, and the connector 31 is connected to the first FFC 36. The first FFC 36 is an FFC with a pitch of 0.5 mm, and is connected to the LCD product-specific circuit board 41. Further, the CPU interface signal sent to the circuit board 41 for each LCD product is sent to the liquid crystal module 2 via the second FFC 44.

  On the other hand, as a power source necessary for displaying an image on the liquid crystal module 2, for example, a DC voltage of 5 V is output from the USB output of the signal source 21, and this DC voltage of 5 V is used as the power circuit 29 of the data conversion circuit board 27. The power supply circuit 29 converts the power supply necessary for displaying the image on the liquid crystal module 2, for example, a direct current voltage of 1.8V or more and 3.0V or less. To the liquid crystal module 2. Further, the DC voltage of 5V output from the USB output of the signal source 21 is also sent to the LED lighting circuit board 51, which is necessary for lighting the white LED used for the backlight 8 of the liquid crystal panel 12. After being adjusted to a suitable power source, the liquid crystal panel 12 is sent to the backlight.

  Further, the data conversion circuit board 27 includes an FPGA 28, a power supply circuit 29, a serial / parallel conversion circuit 102, a frame memory circuit 103, and connectors 31 and 104. The data conversion circuit board 27 is accommodated in the accommodation box 61 as shown in FIGS. Further, on the installation surface 62 of the accommodation box 61, the LCD product-specific circuit board 41, the LED lighting circuit board 51, and the liquid crystal panel 12 are installed.

  Then, on the installation surface 62 of the storage box 61, a protection plate is provided so as to cover each of the LCD product-specific circuit board 41, the LED lighting circuit board 51, and the liquid crystal panel 12 installed on the installation surface 62 of the storage box 61. As an acrylic board 105 is installed. The acrylic plate 105 is supported by a pair of support members 106 having a rectangular bar cross section and is installed with a predetermined gap with respect to the installation surface 62 of the storage box 61. The support member 106 is configured such that one of the support members 106 can slide along the width direction of the storage box 61, that is, can move.

  As described above, according to the fifth embodiment, the serial digital interface signal output from the USB output of the signal source 21 is output to the serial / parallel conversion circuit 102 by the USB cable 101, and this serial parallel signal is output. The parallel digital interface signal is converted into a parallel digital interface signal by the conversion circuit 102 and stored in the frame memory circuit 103. The parallel digital interface signal stored in the frame memory circuit 103 is sent to the FPGA 28 and is necessary for video display on the liquid crystal panel 12. After being converted into a CPU interface signal, it is sent to the LCD product-specific circuit board 41 and sent to the liquid crystal panel 12.

  As a result, with the serial digital interface signal output from one signal source 21, the moving image of the liquid crystal panel 12 can be displayed up to 30 frames. Therefore, by visually confirming the moving image displayed on the liquid crystal panel 12, the image output of the liquid crystal panel 12 can be easily evaluated, so that the same effects as the first embodiment can be achieved. Can do. Moreover, since the size of the moving image evaluation set 1 does not increase, it is excellent in portability.

  Further, as in the sixth embodiment shown in FIG. 17, the other end of the USB cable 101 whose one end is connected to the USB output of the signal source 21 is connected to the USB distributor 111, and this USB distributor 111 is connected. Are connected to one end of a plurality of USB cables 101, the serial digital interface signal output from the signal source 21 is distributed by the USB distributor 111 and distributed to a plurality of moving image evaluation sets 1, and these moving image evaluations are performed. The liquid crystal panel 12 can be evaluated simultaneously in each of the sets 1.

  The USB distributor 111 is generally commercially available, and the serial digital interface signal input from the USB cable 101 connected to the USB output of the signal source 21 is converted to the USB distributor 111. The output is distributed to each of the USB cables 101 connected to the output side. As a result, the image output of the liquid crystal module 2 of the liquid crystal panel 12 can be simultaneously evaluated by the plurality of moving image evaluation sets 1 connected to the other end portions of the USB cables 101. Furthermore, by changing the specifications of these multiple video evaluation sets 1, the output of the liquid crystal panel 12 with a different number of pixels can be evaluated at the same time, allowing comparison of the difference in resolution of the liquid crystal panel 12 due to the difference in the number of pixels. become.

  Further, as in the seventh embodiment shown in FIGS. 18 to 21, the serial-parallel conversion circuit 102 is provided with a connector 121 as output means on the output side capable of USB input / output. A plurality of moving image evaluation sets 1 can also be connected in series. The connector 121 is configured so that a USB cable 101 connected to another moving image evaluation set 1 can be connected. The connector 121 is provided at a position opposite to the input-side connector 104 of the serial-parallel conversion circuit 102, and a part of the connector 121 protrudes from the housing box 61. The USB cable 101 having one end connected to the connector 121 is outside the other side surface located on the opposite side of the one side of the housing box 61 from which the USB cable 101 connected to the input side connector 104 protrudes. Protrusively toward.

  The signal source 21 is provided with a USB input / output, and one end of the USB cable 101 is connected to the USB input / output. The other end of the USB cable 101 is connected to the input-side connector 104 of the serial / parallel conversion circuit 102. One end of another USB cable 101 is also connected to the output-side connector 121 of the serial-parallel conversion circuit 102. The other end of the USB cable 101 is connected to the serial of another moving image evaluation set 1. The parallel conversion circuit 102 is connected to the input side connector 104.

  As a result, as shown in FIG. 21, a plurality of video evaluation sets 1 can be connected in series with a plurality of USB cables 101 via a USB cable 101 connected to a USB input / output of one signal source 21. it can. In this case, in the moving image evaluation set 1 connected in series by the USB cable 101, the serial digital interface signal output from the signal source 21 is not converted by the serial / parallel conversion circuit 102 and is output from the output-side connector 121. This is output and input to the moving image evaluation set 1 connected to the connector 121 via the USB cable 101.

  Further, when video data is held in the frame memory circuit 103 in the moving picture evaluation set 1, the video data holding completion signal is connected to the signal source 21 via the serial / parallel conversion circuit 102. Sent to set 1. The moving picture evaluation set 1 converts the serial digital interface signal sent from the signal source 21 into a parallel digital interface signal by the serial / parallel conversion circuit 102 by recognizing the video data holding completion signal, and then converts the serial digital interface signal to the frame memory circuit 103. The video is sent and displayed on the liquid crystal panel 12.

  Therefore, the image output of the liquid crystal module 2 of the liquid crystal panel 12 can be evaluated at the same time with the plurality of moving image evaluation sets 1, so that the same operational effects as those of the sixth embodiment can be achieved. In addition, since the liquid crystal panel 12 can be evaluated simultaneously with the plurality of moving image evaluation sets 1 using only the plurality of USB cables 101, the USB distributor 111 can be eliminated. Furthermore, since the liquid crystal panel 12 can be simultaneously evaluated with the plurality of moving image evaluation sets 1 based on the serial digital interface signal output from the signal source 21, the same image can be simultaneously evaluated with these moving image evaluation sets 1.

  Further, the operation of each of the above embodiments is made into an image evaluation program of the moving image evaluation set 1 that can be read by a computer. The image evaluation software that can evaluate the image quality of the images displayed on the screens 4 and 12 can also be used. Further, the image evaluation program or the image evaluation software can be stored in an optical disk, a magnetic disk or other recording medium on which the image evaluation program or the image evaluation software is recorded, and this recording medium can be used to automatically operate the signal source 21.

1 is an explanatory perspective view showing a first embodiment of an evaluation apparatus for a liquid crystal display device of the present invention. It is explanatory drawing which shows the evaluation apparatus of a liquid crystal display device same as the above. It is a description perspective view which shows the surface side of a liquid crystal display device same as the above. It is a description perspective view which shows the back surface side of a liquid crystal display device same as the above. It is a top view which shows the display part of the signal source of the evaluation apparatus of the liquid crystal display device of the 2nd Embodiment of this invention. It is a description perspective view which shows the evaluation apparatus of a liquid crystal display device same as the above. It is explanatory drawing which shows the evaluation apparatus of a liquid crystal display device same as the above. It is a description perspective view which shows the surface side of a liquid crystal display device same as the above. It is a description perspective view which shows the back surface side of a liquid crystal display device same as the above. It is a description perspective view which shows the surface side of the liquid crystal display device of the 3rd Embodiment of this invention. It is a description perspective view which shows the back surface side of a liquid crystal display device same as the above. It is a description perspective view which shows the surface side of the liquid crystal display device of the 4th Embodiment of this invention. It is a description perspective view which shows the back surface side of a liquid crystal display device same as the above. It is explanatory drawing which shows the evaluation apparatus of the liquid crystal display device of the 5th Embodiment of this invention. It is explanatory side view which shows the evaluation apparatus of a liquid crystal display device same as the above. It is a description perspective view which shows the evaluation apparatus of a liquid crystal display device same as the above. It is explanatory perspective view which shows the evaluation apparatus of the liquid crystal display device of the 6th Embodiment of this invention. It is explanatory drawing which shows the evaluation apparatus of the liquid crystal display device of the 7th Embodiment of this invention. It is explanatory side view which shows the evaluation apparatus of a liquid crystal display device same as the above. It is a description perspective view which shows the evaluation apparatus of a liquid crystal display device same as the above. It is explanatory perspective view which shows the connection state of the evaluation apparatus of a liquid crystal display device same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Moving image evaluation set as evaluation apparatus of liquid crystal display device 2 Liquid crystal module as liquid crystal display device 3 Main module as 1st liquid crystal display part
11 Sub-module as second liquid crystal display
21 Signal source
22 Monitor section as display section
27 Data conversion circuit board as display circuit
61 Containment box as installation section
63 Folding mechanism as connecting part
64 Hinge as rotating part
71,72 Select button as a selection means
101 USB cable
102 Serial-parallel conversion circuit as serial-parallel conversion means
121 Connector as output means

Claims (7)

The substantially flat liquid crystal display device having a first liquid crystal display unit provided on one main surface and a second liquid crystal display unit provided on the other main surface opposite to the one main surface. An evaluation apparatus for a liquid crystal display device for evaluating images displayed on each of a first liquid crystal display unit and the second liquid crystal display unit,
An installation section in which the liquid crystal display device is installed;
The liquid crystal display device provided in the installation portion is pivotably connected to the installation portion, and the first liquid crystal display portion and the second liquid crystal display portion of the liquid crystal display device are made visible by rotation. An evaluation apparatus for a liquid crystal display device, comprising: a connection portion. The evaluation apparatus for a liquid crystal display device according to claim 1, further comprising a rotation unit that rotatably connects the connection unit to the installation unit. An evaluation apparatus for a liquid crystal display device having a first liquid crystal display unit and a second liquid crystal display unit,
A signal source for outputting an interface signal;
The interface signal output from the signal source is converted corresponding to each of the first liquid crystal display unit and the second liquid crystal display unit, and the first liquid crystal display unit and the second liquid crystal display unit Each having a display circuit for displaying an image,
The apparatus for evaluating a liquid crystal display device, wherein the signal source includes selection means for displaying an image on either the first liquid crystal display unit or the second liquid crystal display unit by selection. The signal source outputs a serial interface signal,
A USB cable connected to the signal source;
Serial parallel conversion means connected to the USB cable and converting the serial interface signal output from the signal source via the USB cable into a parallel interface signal and sending the parallel interface signal to the display circuit. Item 4. A liquid crystal display evaluation apparatus according to Item 3. 5. The apparatus for evaluating a liquid crystal display device according to claim 4, further comprising output means provided in the serial-parallel conversion means for outputting a serial interface signal output from a signal source. A method for evaluating a liquid crystal display device having a first liquid crystal display unit and a second liquid crystal display unit,
The setting data is displayed on the display unit of the signal source by the input of the setting file set in advance by inputting the setting data to the signal source, and the first liquid crystal display unit and the second liquid crystal display unit. Set the signal to display the image on the display,
By inputting a signal for displaying an image on the first liquid crystal display unit, an image to be displayed on the first liquid crystal display unit and data of the image are displayed on the display unit, and the image is displayed on the first liquid crystal display unit. Display on the LCD,
By inputting a signal for displaying an image on the second liquid crystal display unit, an image to be displayed on the second liquid crystal display unit and data of the image are displayed on the display unit, and the image is displayed on the second liquid crystal display unit. A method for evaluating a liquid crystal display device, characterized by displaying on a liquid crystal display unit. An evaluation program for a liquid crystal display device having a first liquid crystal display unit and a second liquid crystal display unit,
The setting data is displayed on the display unit of the signal source by the input of the setting file set in advance by inputting the setting data to the signal source, and the first liquid crystal display unit and the second liquid crystal display unit. Setting a signal for displaying an image on the display unit;
By inputting a signal for displaying an image on the first liquid crystal display unit, an image to be displayed on the first liquid crystal display unit and data of the image are displayed on the display unit, and the image is displayed on the first liquid crystal display unit. Displaying on the liquid crystal display; and
By inputting a signal for displaying an image on the second liquid crystal display unit, an image to be displayed on the second liquid crystal display unit and data of the image are displayed on the display unit, and the image is displayed on the second liquid crystal display unit. An evaluation program for a liquid crystal display device, comprising: a step of displaying on a liquid crystal display unit.