TW388849B - Electric display device - Google Patents

Abstract

The invention provides an electric display device to identify displayed characters and graphics, no matter where an electric display part is seen. The electric display device comprises an electric display part, in which plural emitters are arranged in a dot matrix system and a control part to selectively make the emitters emit light in the electric display part in sequence, the emitters being formed with light emitting diodes D to emit directional lights and lenses 4A, 4B, 4C or 4D spaced preset distances from the light emitting diodes D to diffuse directional light emitted from the light emitting diodes D. The lens 4A is formed as a irregular lens, the lens 4B as an irregular lens with a convex, the lens C as a both side convex lens and the lens 4D as a Fresnel lens.

Description

Printed A7 B7 of the Zhengong Consumer Cooperative of the Central Bureau of quasi-government of the Ministry of Economic Affairs-* one by one _________ 5. Description of the invention (/) [Detailed description of the invention] [Technical category to which the invention belongs] The present invention relates to an electro-optic display device In particular, it relates to an electro-optic display device controlled by a dot matrix. [Conventional Technology] Conventionally, there is known an electro-optical display device in which light-emitting elements are arranged in a matrix, and a light-emitting element at a required portion is lit by a driving circuit to form a character pattern. As a light-emitting element used in such an electro-optic display device, there are many occasions where a light-emitting diode with better visibility is used. [Problems to be Solved by the Invention] However, an electro-optic display device using such a light-emitting diode emits light. Diodes are directional, so depending on the viewing angle, sometimes there are cases where the displayed text or graphics cannot be visually recognized, and there are disadvantages. For example, when viewing a light-emitting diode from a close range at an oblique direction, it is difficult to confirm the text and figures. In addition, in order to solve this difficulty, a method of using a light-emitting diode with weak directivity has been thought of, but there is a concern that it cannot be recognized from a long distance. The present invention has been made to solve such conventional difficulties, and its object is to provide an electro-optic display device that can visually recognize displayed characters and graphics regardless of the position of the electro-optic display device. [Means for solving problems] In order to achieve the above-mentioned object, the electro-optic display device of the present invention is an electro-optic display device having an electro-optic display portion formed by arranging a plurality of light-emitting bodies in a dot matrix type, and a majority of the electro-optic display portion. The luminous body is a control unit for selective sequential light emission, which is characterized by: · The luminous system emits directional light 3 (Please read the precautions on the back before this page). _, -Ιτ. Applicable to China National Standard (CNS) A4 specification (210X297 mm) Printed by the Consumers' Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs A7 ___B7 V. Description of the invention (work) Light-emitting diodes; separated from the light-emitting diodes by a predetermined distance A lens configured to diffuse the directional light emitted by the light emitting diode. This electro-optic display device diffuses the directional light emitted by the light-emitting diode with a lens, so regardless of the position of the electro-optic display, you can confirm the displayed text and graphics. In a display device, a meniscus lens can be used as a lens. When using this concave-convex lens, the diffusion angle of the directional light emitted by the light-emitting diode can be increased (hereinafter referred to as "wide directivity"), so it can be confirmed even when the electro-optical display is viewed from an oblique direction. The text and graphics displayed (hereinafter referred to as "wide area vision"). In the electro-optical display device of the present invention, as the lens, a meniscus lens formed as a convex portion on the light-emitting diode side can be used. When this convex portion is provided on the light emitting diode side, the directivity of the light emitting diode can be set to three directions, so the wide-area visual effect can be obtained no matter the short distance or the long distance. Moreover, in the electro-optic display device of the present invention, a two-convex lens can be used as a lens. When using the two-convex lens, wide-area vision can be obtained at a long distance. Also, in the electro-optic display device of the present invention, a Buddha can be used as a lens. Rene-convex lenses. When using this Fresnel-convex lens, the light emitted by the self-emitting diode can illuminate the entire lens, making it impossible to see the gap between the arranged luminous bodies. As a result, the text and graphics appear more vivid. In addition, in the electro-optic display device of the present invention, the electro-optic display section can further be provided to rotate each row of a plurality of dot-matrix-arranged light emitters in the same direction, and provide a viewing angle of each of the light emitters arranged on each row separately. Means for changing the angle of view of the light emitter. This method of changing the angle of view of the luminous body is divided into 4 ---------- 1 ^ ------------ M (Please read the precautions on the back before filling this page) '' This paper size applies to China National Standards (CNS) Α4 specifications (210 × 297 mm) 4 A7

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5. Description of the invention () The gears provided on each row of luminous bodies mesh with the gears provided on each row of luminous bodies and make reciprocating linear motion to rotate the rows of luminous bodies in the same direction Bar and drive unit for driving racks. As a result, the viewing angle of each row of light emitters can be increased, and a wide-area visual effect beyond the lens can be obtained. In addition, the viewing angle changing means of the luminous body can be provided with a plurality of light-receiving elements arranged at regular intervals in a circular shape with respect to the majority of the luminous bodies arranged on the electro-optical display portion in a dot matrix manner so that the incident direction of the sun can be detected. The sunlight follows the sensor, and the driving unit may be provided with detection signals based on the respective light receiving amounts of most light receiving elements from the sunlight following sensor, and calculates the incident direction of the solar light with respect to most light emitters, and moves the rack linearly. The control circuit used to prevent the sun's rays from directly shining on most light-emitting bodies. Thereby, the columns of the luminous body can be rotated, so that the sun rays are not directly irradiated on the luminous body, so that the deterioration of visibility due to the irradiation of the sun can be prevented. Further, in the electro-optical display device of the present invention, a vibrator capable of vibrating each row of a plurality of light-emitting bodies in the row direction may be provided on the electro-optical display section. In this way, when displaying a series of portraits, the images can not be separated by the space generated between the pitches of the light-emitting bodies in the column direction, and when the rows of most light-emitting bodies vibrate in the column direction, the light-emitting bodies in the column direction Due to the instantaneous movement of the luminous body between the pitches, the luminous body appears to be closely arranged in appearance, so the image can be displayed satisfactorily without being cut off, thereby making the characters and figures look sharper. . In the electro-optical display device of the present invention, the electro-optical display portion is formed by arranging and forming a plurality of light-emitting bodies into a spherical shape. With this configuration, the displayed text and graphics can be viewed from 360 degrees. Such a plurality of light-emitting bodies in which the electro-optical display portion is formed into a sphere may be arranged in a state where rows and columns are staggered. Borrow 5 please

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The size of the paper is applicable to the Chinese national standard (CNS > M size (210X 297mm)

V. Description of the invention (4) As a result, the space generated between lines can be reduced, so the image will not be divided but can be displayed satisfactorily. Further, in the electro-optical display device of the present invention, the control section may include a speed sensor that detects a moving speed of the electro-optical display section; and a sequence of controlling most of the light-emitting bodies of the electro-optical display section based on a speed signal input by the speed sensor. An electro-optic display device such as a driving circuit with a light-emitting cycle. When the electro-optical display section is mounted on a car, for example, when the car moves, its running speed can be detected by a speed sensor, and it will correspond to the driving speed. The speed signal is output to the drive circuit. The driving circuit controls the speed at which most of the light-emitting bodies of the electro-optical display section emit light selectively in accordance with the speed signal. Therefore, regardless of the speed at which the vehicle with the electro-optical display is running, the displayed text and graphics can be visually recognized. [Embodiment of the invention] An embodiment of the electro-optical display device of the present invention will be described below with reference to the drawings. As shown in FIG. 2, the electro-optical display device of the present invention is an electro-optic display portion 10 formed by arranging a plurality of light-emitting bodies 1 in a dot matrix pattern, and a selective order of the plurality of light-emitting bodies 1 of the electro-optical display portion 10. The light emission control section 20 is configured. Printed by the Central Bureau of Standards, Ministry of Economic Affairs, Consumer Cooperatives I _ (Please read the precautions on the back before filling in this page. The threaded electro-optical display unit 10 is, for example, arranging the light-emitting bodies 1 in the vertical direction (column direction) into a column. The unit A1, A2, ..., An is composed of the unit A1, A2, ... An. The illuminant 1 of the unit A1, A2, ..., An is composed of a light-emitting diode D capable of emitting directional light, and Lenses 4A (Fig. 1 (a)), 4B (Fig. 1 (b)), which isolate the light-emitting diode by a predetermined distance and diffuse the directional light emitted by the light-emitting diode D, 4C (Fig. 1 (c)) or 4D (16th paper is again applicable to the Chinese National Standard (CNS > A4 size (210X297 mm) B7 V. Description of the invention (female) (d)). The lens 4A is a meniscus lens, the lens 4B is a meniscus lens that forms a convex portion on the light-emitting diode side, the lens 4C is a two-convex lens, and the lens 4D is a Fresnel convex lens, wherein each lens can be obtained by the curvature radius of the surface, the medium · The refractive index and the distance from the light-emitting diode D, etc., change the expansion angle of the directional light emitted by the light-emitting diode D. When the concave-convex lens 4A is used, the diffusion angle of the directional light emitted by the light-emitting diode D is widened (hereinafter referred to as "wide directivity") (the dotted line in Fig. 1 (a) 2). When the electro-optic display section 10 is viewed obliquely, the displayed characters and graphics (hereinafter referred to as "wide-area vision") can be recognized. When the convex-concave lens 4B is used, the directivity can be set to three directions (the The dotted line in Fig. 1 (b)), so wide-area vision can be obtained regardless of short distance or long distance. Moreover, when using the two-convex lens 4C, wide-area vision can be obtained especially at long distance (Fig. 1 (c)). Dashed line). When using a Fresnel convex lens 4D, the light emitted from the light-emitting diode can illuminate the entire lens, so that the light-emitting body 1 can be seen to have no gap. As these lenses 4A, 4B, For 4C and 4D materials, inorganic glass, polymethacrylate (PMMA), polycarbonate (PC), polystyrene (PS), diethylene glycol phenyl carbonate (CR-39), and chlorine can be used as appropriate. Polyethylene resin (PVC), AS resin, MS resin, polycyclohexyl methacrylate (PCHMA) and poly 4 methylpentene (TPX), etc. Plastic. The light-emitting bodies 1 of this configuration are arranged in a row and each unit A1, A2 ... An has a light-on control circuit DS1 with a built-in shift register 51, a rack circuit 52, and a drive circuit 53. Control As shown in Figure 2, the section 20 is based on the built-in image memory 3 and 7. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) "

I A7 _ B7 _ V. Description of the invention (t) The drive circuit 2 of the shift register 55 and the processor 54 is composed of the above-mentioned lighting control circuit DS1. Specifically, the processor 54 of the drive circuit 2 is connected to the shift register 55 and the image memory 3, and the image memory 3 is connected to the shift register 55. This shift register 55 is connected to the data input and input terminals of the shift register of the first unit A1, and the designated data output terminal of the shift register 51 is connected to the data input terminal of the rack circuit 52, and the rack circuit The data output terminal of 52 is connected to the data input terminal of the drive circuit 53. This driving circuit 53 is connected to all the light emitting bodies 1 arranged in a row in the vertical direction. The clock signal input terminal of the rack circuit 52 is connected to the clock signal output terminal of the processor 54 of the drive circuit 2. The data output terminal of the shift register 51 of the first unit A1 is connected to the data input terminal of the shift register 51 of the second unit A2. In the following, each unit is connected in the same way ... An 〇 In addition, the image memory 3 of the drive circuit 2 stores the pattern of the character pattern in a dot matrix format. The operation of the electro-optical display device constituting the present invention will be described. Printed by the Consumer Standards Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs-Package I (Please read the notes on the back before filling out this page-line. When designating pattern data with the processor 54 self-image memory 3, the image memory 3 will be designated The pattern data is output to the shift register 55. The drive circuit 2 shift register 55 sequentially outputs the designated pattern data to the shift register 51 of the first unit A1 with the clock pulse from the processor 54. The shift register 51 outputs the divided pattern data to the rack circuit 52, and the rack circuit 52 sequentially outputs the divided pattern data to the driving circuit 53 according to the clock pulse from the processor 54. This driving circuit 53 is connected because Arranged in the vertical direction—all of the luminous bodies 1 in the column, so only 8 pieces of paper > ^ apply Chinese national standard (0 called 8-4 specification (21 () \ 297 mm) " " Central Standard of Ministry of Economic Affairs A7 B7 printed by the Bureau Coconut Consumer Cooperative 5. The description of the invention (port) The luminous body 1 corresponding to the divided pattern data output from the rack circuit 52 is turned on. After that, each luminous body 1 of each unit A2An is driven by The pattern data specified by the image memory 3 of Road 2 and the clock pulse from the processor 54 are controlled, so that still images and animation images (roll animation images) can be displayed. At this time, for the lens of the luminous body 1, use In the case of asperity_4A, the directional light emitted by the light-emitting diode D can be set to wide directivity. Therefore, as shown in FIG. 3, the electro-optical display portion 1 of the electro-optic display device is viewed from an oblique direction. At the same time, the displayed characters and graphics can be recognized. Also, as the lens of the illuminant 1, when the convex lens 4B is used to form the convex portion, the directivity can be three directions, so it can be obtained at short distance or long distance. Wide-area vision. Moreover, when the two convex lenses 4C are used as the lens of the illuminant 1, the light emitted by the luminescent diode D illuminates the entire lens, so the illuminant 1 arranged looks as if there is no gap s (p. 3 Figures, therefore, can make the display of text graphics more vivid β. Moreover, the light emitted by the light-emitting diode is directional, but there is still a certain degree of dispersion. Considering this scattered light, when using a wide-angle lens, the The angle of view of the luminous body is increased. As shown in FIG. 4, the wide-angle lens may be a wide-angle meniscus lens 40A (FIG. 4 (a)), a wide-angle meniscus lens 40B (FIG. 4 (b)), and a wide-angle Buddha lens having convex portions formed on the light-emitting diode side. Reina lens (Figure 4 (c)). Any of the wide-angle lenses is the same as the above lenses 4A, 4B, 4C, and 4D, and the radius of curvature of the usable surface, the refractive index of the medium, and the distance from the light-emitting diode D The distance, etc., changes the expansion angle of the directional light emitted by the light-emitting diode D. In addition, in order to make the characters and graphics displayed on the electro-optical display portion 10, the national paper standard ( CNS) A4 size (210X297 mm) (Please read the precautions on the back before ^ this page)

, 1T A7 B7 _ 5. Description of the Invention (δ) The inside and outside of the light display portion 10 are visually recognized, and the luminous body 1 'shown in Fig. 5 can be used. This luminous body Γ is composed of two groups of light-emitting diodes D1 and D2 configured to separate the emitted light, and two groups of wide-angle meniscus lenses 40E, which diffuse the light emitted by the two groups of light-emitting diodes D1 and D2. 40F. With this kind of light emitting body 1, the expansion angle of the directional light emitted from the light emitting diodes D1 and D2 can be changed, and at the same time, the electro-optical display portion 10 can be visually recognized from the inside and outside. In addition, the electro-optical display unit 10 shown in FIG. 3 is provided with a means for changing the viewing angle of the luminous body, and the rows of the plurality of luminous bodies 1 arranged in a dot matrix type are rotated in the same direction, so that the rows are provided on each row. The angle of view of most of the illuminants 1 is changed, so that the angle of view of the illuminators 1 in each row can be enlarged, so that a wide-field angle of view better than a lens can be obtained. As shown in FIG. 6, a part of the gears 7 provided on each row of the luminous body 1 and a part of the gears 7 provided on each row of the luminous body 1 are respectively meshed with each row of the luminous body 1, The rack 8 which reciprocates linearly and rotates in the same direction is constituted by a motor M which is a driving part for driving the rack 8. The drive unit is not limited to the motor M. The rack 8 can be moved back and forth linearly, and a hydraulic cylinder, an electromagnetic solenoid, or the like may be used, and the rack 8 may be replaced with a belt. In addition, a plurality of light receiving elements 61 are provided on the luminous body viewing angle changing means 6 with sunlight tracking sensors 60 arranged at equal intervals in a circular shape, and a control circuit 62 is provided on the motor M to follow the sensors 60 based on the sunlight. Each of the light receiving detection signals Sl ... Sn output by the majority of the light receiving elements 61 calculates the sunlight incident direction with respect to the majority of the luminous bodies 1, and moves the rack 8 in a straight line. Standard (CNS) A4 specification (210X297 mm> — A7 _____B7 V. Description of the invention (?) Avoid direct sunlight from illuminating most light-emitting bodies 1. As the light-receiving element 61 of this solar-following sensor 60, a photodiode can be used Body, avalanche photodiodes, phototransistors, etc. With this structure, the viewing angle changing means 6 of the luminous body, and the control circuit 62 controls the motor M so that most of the luminous bodies 1 of the electro-optical display unit 10 are not directly irradiated by the sun light. To make the columns of the luminous body 1 rotate in the direction opposite to the direction of the sun, so the electro-optical display can be reduced. 10 The situation of poor visibility caused by the influence of solar light. The plurality of light emitting bodies 1 arranged in a dot matrix on the electro-optical display portion 10 of the electro-optical display device of such a configuration can display a series of portraits in the row direction, that is, the design movement direction of the image, but in the column direction, The size of the space created by the distance P between the luminous bodies will cause the fragmentation of the image (Figure 3). In order to deal with this fragmented image, you can set up each of the most luminous bodies 1 as shown in Figure 7. The vibrating body 63 vibrating in the direction of the column. As the vibrating body 63, for example, the cam mechanism 64 can be used to vibrate the columns in the direction of the column (Fig. 7 (b)). When vibrating the columns in the direction of the column, Between the pitches P of the luminous bodies in the row direction, the luminous bodies move instantaneously, so in appearance, the luminous bodies appear to be closely arranged, so that the image can be displayed without interruption, and the display can be performed satisfactorily. The characters and figures look sharp. In addition, as shown in Fig. 8, the electro-optic display part of the electro-optic display device can arrange the majority of the luminous bodies in the row direction to form a sphere, so that the displayed characters can be viewed from 360 degrees. And graphics. Again, as in Figure 9 As shown, when the majority of the luminous bodies forming a sphere are arranged in a state of staggered rows and columns, the space generated between the rows can be reduced, so the image will not be broken and can be displayed satisfactorily. At the same time, these 11 C (please read first Note on the back, please fill in this page again. Gland-Printed by the Central Bureau of the Ministry of Economic Affairs, Shellfish Consumer Cooperatives. This paper is printed in accordance with the Chinese National Standard (CNS) A4 (210X297mm). System A7 ___ B7 ____ 5. Description of the invention ((.) The displayed text and graphics can be viewed from 360 degrees. In addition, when the electro-optical display device is installed on a vehicle, for example, as shown in FIG. 2, it can be detected. A speed sensor 5 for the running speed of the vehicle is connected to the processor 54 of the drive circuit 2. As a result, the processor 54 inputs the clock pulses of the shift register 55 of the drive circuit 2 and the shift register 51 of each unit Ai, A2 ... An corresponding to the speed signal from the speed sensor 5. At what speed the vehicle is traveling, the text and graphics displayed can also be recognized. In addition, according to the above-mentioned embodiments, although a single Fresnel convex lens is used, it is not limited to this, and may be formed around a meniscus lens, a meniscus lens forming a convex portion, or a lenticular lens. In addition, as long as the lens can diffuse the directional light emitted from the light emitting diode D, any lens can be used, such as a concave lens, a convex-concave lens, and the like. [Examples] In addition, regarding the display operation of the electro-optic display device of the present invention, a concave-convex lens can be used to measure the angle of view. According to the electro-optic display device using the concave-convex lens, it can be confirmed that the visual angle α (Figure 4 (a)) of the characters and graphics displayed on the electro-optic display is about 170 degrees. [Effects of the Invention] As described above, the present invention The electro-optic display device can diffuse the directional light emitted by the light-emitting diode. Therefore, regardless of the position of the electro-optic display device, the displayed text and graphics can be recognized. [Simplified description of the icon] Figure 1 is a description of one embodiment of the electro-optical display device of the present invention. 12 This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back page)

, 1T printed by the Central Bureau of Standards of the Ministry of Economic Affairs, WBC Industrial and Consumer Cooperatives, printed A7 B7 V. Description of the invention (Π) Figure, (a) is a cross-sectional view of a light-emitting section using a convex lens, and (b) is on the light-emitting diode side A cross-sectional view of a light-emitting portion using a meniscus lens to form a convex portion, (C) is a cross-sectional view of a light-emitting portion using a two-convex lens, and (d) is a cross-sectional view of a light-emitting portion using a Fresnel convex lens. Fig. 2 is a general view of an embodiment of an electro-optical display device according to the present invention. Fig. 3 is a circuit block diagram of an embodiment of the electro-optic display device of the present invention. Fig. 4 is an explanatory diagram of another embodiment of the electro-optic display device of the present invention, (a) is a cross-sectional view of a light-emitting portion using a concave-convex lens, and (b) is a use of forming a convex portion on the light-emitting diode side (C) is a cross-sectional view of a light-emitting portion using a Fresnel convex lens. Fig. 5 is a cross-sectional view of a light-emitting body used in the electro-optic display device of the present invention. Fig. 6 is a diagram illustrating another embodiment of the electro-optical display device of the present invention. Fig. 7 is an explanatory diagram of another embodiment of the electro-optical display device of the present invention, (a) is an overall view, and (b) is a partial detailed view. Fig. 8 is an explanatory diagram of another embodiment of the electro-optical display device of the present invention. Fig. 9 is an explanatory diagram of another embodiment of the electro-optical display device of the present invention. [Explanation of symbols] 1 Luminous body 13 This paper size is applicable to China National Standard (CNS) Α4 size (210X297 mm) ^ ------ installation— (Please read the precautions on the back before this page)

> 1T gland A7 B7 Printed by the Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 5. Description of the invention (| >) 2 Drive circuit 4A Convex lens 4B Convex lens forming convex part 4C Two convex lens 4D Fresnel convex lens' 5 Speed Sensor 6 Means of changing the viewing angle of the luminous body 7 Partial gears 8 Rack M Motor 10 Electro-optical display section 20 Control sections 40A, 40E, 40F Wide-angle meniscus lens 40B Wide-angle meniscus lens forming convex part 40C Wide-angle Fresnel convex lens 60 Sunlight Following sensor 61 Light receiving element 62 Control circuit 63 Vibrating body D, D1, D2 Light-emitting diodes Sl ... Sn Received light amount detection signal 14 This paper size applies Chinese National Standard (CNS) A4 specification (210 × 297 mm) ( (Please read the notes on the back before this page)

Claims (1)

Α8 Β8 C8 D8 VI. Patent application scope i An electro-optic display device, which has an electro-optic display portion formed by arranging a plurality of light-emitting bodies in a dot matrix configuration, and selectively emitting light from a majority of the electro-optical display portions The control unit of is characterized in that the aforementioned light-emitting system includes: a light-emitting diode that emits directional light, and is arranged at a predetermined distance from the light-emitting diode, and the light-emitting diode emits a light A lens that diffuses the light of sex. 2. The electro-optic display device according to item 1 of the scope of patent application, wherein the aforementioned lens is a meniscus lens. μΜ 3. The aforementioned lens in the electro-optic display device described in item 1 of the patent application is a concave-convex lens formed as a convex portion on the light-emitting diode side. The aforementioned lens in the display device is a two-convex lens. .5. The electro-optic display device according to item 1, 2, 3 or 4 of the scope of the patent application, wherein the aforementioned lens is a Fresnel convex lens. Printed by the Central Standards Bureau of the Ministry of Economic Affairs, Consumer Cooperatives ---- 1 ----- ^ ------, 11 ------ 1--i (Please read the precautions on the back before filling (^^ page) 6. The electro-optic display device according to item 1 of the scope of the patent application, wherein the aforementioned light-emitting system comprises two groups of the aforementioned light-emitting diodes configured to separate the emitted light, and the two groups of the aforementioned light-emitting diodes. The emitted light is diffused by two groups of the aforementioned lenses. 7. The electro-optic display device according to item 1 of the scope of the patent application, wherein the electro-optic display section can further be provided to rotate each row of a plurality of dot-matrix light-emitting bodies in the same direction, and arrange them on each row separately. Means for changing the angle of view of each luminous body β 8. The electro-optic display device according to item 7 of the scope of the patent application, wherein the means for changing the angle of view of the luminous body is provided on the luminous body separately The paper size of each column is applicable to China National Standard (CNS) A4 specification (210X297 mm) / A8 B8 C8 D8 patent application scope (please read the precautions on the back before filling in the page), and the same as the aforementioned luminous body The racks arranged on the rows are meshed with each other, and a reciprocating linear motion is performed to rotate the racks of the luminous bodies in the same direction, and the driving part for driving the racks is constituted. 9. The electro-optic display device according to item 7 or item 8 of the scope of the patent application, wherein the aforementioned means for changing the viewing angle of the luminous body may be provided with respect to most of the luminous bodies arranged on the electro-optic display portion in a dot matrix manner. For detecting the incident direction of the sun, most of the light-receiving elements are arranged at equal intervals in a circle-shaped sunlight following sensor, and the driving part can be provided with detection of each light-receiving child based on the majority of the light-receiving elements from the sunlight following sensor. The signal is calculated relative to the incident direction of the sun rays of the multi-luminous body, and the rack is moved in a straight line so that the solar rays do not directly irradiate the control circuit used on most of the luminous bodies. 10. The electro-optic display device according to item 1 of the scope of the patent application, wherein the electro-optic display section described above may be provided with a vibrating body that vibrates each row of a plurality of light-emitting bodies in a row direction. 11. The electro-optic display device according to item 1 of the patent application, wherein the electro-optic display portion is formed by arranging a plurality of light-emitting bodies in a spherical shape. Printed by the Central Government Bureau of the Ministry of Economic Affairs, Shelley Consumer Cooperative 12. The electro-optic display device according to item 11 of the scope of patent application, in which most of the light-emitting systems formed as spheres are arranged in a staggered row and column JLg 13. According to the scope of patent application The control unit in the electro-optical display device 1 described in item 1 may have a speed of detecting a moving speed of the electro-optic display unit; and a sequence of controlling the electro-optical display according to the speed signal input by the speed sensor ^^ Most of the light-emitting bodies emit light sequentially Cycle drive circuit. This paper uses China National Standards (CNS) Standard 8 (210X297 mm)