JP2007172885A - Lighting system for adjusting contrast, glasses, and adjustment method of display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting system for adjusting contrast, where images can be observed with high contrast even in a bright environment such as a bright chamber, to provide glasses, and to provide an adjustment method. <P>SOLUTION: In the adjustment method for adjusting the contrast of a display installed indoors, the lighting system having a polarizing filter for polarizing light applied from a light source is arranged indoors, the polarization direction of the polarizing filter is changed, and the display is observed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an illumination device, glasses, and an adjustment method for adjusting the contrast of a display, which are used in a room where the display is installed.

  Conventionally, displays have been observed in various environments. When observing the display in a bright room environment, the contrast of the image displayed on the display due to reflection of indoor illumination light on the display surface or reflection of walls, etc. There were times when it would fall. Therefore, conventionally, in order to prevent such a decrease in contrast, a special film is applied to the surface of the display to prevent reflection or reflection of illumination light.

  However, pasting a special film on the surface of the display hinders the displayed image itself. In addition, it is necessary to prepare such a film separately, and there is room for improvement in that extra cost is required.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a contrast adjustment lighting device, glasses, and an adjustment method capable of observing an image with high contrast even in a bright environment such as a bright room. It is in.

  The object of the present invention is an illumination device for adjusting the contrast of a display installed indoors, comprising a main body case, a light source provided in the main body case, and a polarizing filter for polarizing light emitted from the light source. And a polarizing filter is movably attached to the main body case so that the polarization direction of the polarizing filter can be changed.

  The illumination device of the present invention includes a polarizing filter that can change the polarization direction. When the illumination device is arranged indoors and the display is observed, the observer can adjust the contrast of the display by operating the polarization filter provided in the illumination device to change the polarization direction. it can. For this reason, it is not necessary to affix a specific film on the display itself, and the display can be observed with high contrast.

  Another object of the present invention is a pair of lenses for adjusting contrast, which can be adjusted when observing a display in a room where the lighting device is arranged, and is placed on a pair of lenses and a human ear to be worn. A pair of lenses is provided with a main body frame, and the pair of lenses is provided with a polarizing filter held in the main body frame so that the polarization direction thereof can be changed. . In this way, the contrast of the display is adjusted by the polarizing filter provided in the lighting device arranged indoors, and the contrast of the display is further improved by changing the polarization direction of the polarizing filter provided in the lens of the glasses. It can be adjusted over a wide range.

  The spectacles preferably have a configuration in which the polarizing filter is rotatable about an axis in the direct viewing direction when worn. In this way, when adjusting the contrast of the display, the observer adjusts the polarization direction by manipulating the polarizing filter with his / her fingers, etc. It can be adjusted to be easy to use.

  Furthermore, the object of the present invention is an adjustment method for adjusting the contrast of a display installed indoors, wherein an illumination device including a polarization filter that polarizes light emitted from a light source is disposed indoors and polarized. This is achieved by a display adjustment method characterized by changing the polarization direction of the filter and observing the display.

  According to the display adjustment method of the present invention, when observing the display in a room where the illumination device is arranged, the observer operates the polarization filter provided in the illumination device to change the polarization direction, The contrast of the display can be adjusted. For this reason, it is not necessary to affix a specific film on the display itself, and the display can be observed with high contrast.

  The display adjusting method according to the present invention is a method for adjusting a polarizing filter provided on each of a pair of lenses by wearing glasses equipped with a body frame having a pair of lenses and a pair of handles to be worn by a human ear to be worn. It is preferable to adjust the contrast by changing the polarization direction. In this way, the contrast of the display is adjusted by the polarizing filter provided in the lighting device arranged indoors, and the contrast of the display is further improved by changing the polarization direction of the polarizing filter provided in the lens of the glasses. It can be adjusted over a wide range.

  ADVANTAGE OF THE INVENTION According to this invention, the illuminating device for contrast adjustment, spectacles, and the adjustment method which can observe an image with high contrast also in bright environments, such as a bright room, can be provided.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a diagram for explaining a display lighting device and a usage state of glasses according to the present invention.

  As shown in FIG. 1, an illumination device 10 and a display device 30 having a display D are arranged in the indoor space 100. The position where the lighting device 10 and the display device 30 are arranged in the indoor space 100 is not particularly limited. As a position where the lighting device 10 and the display device 30 are arranged, it is possible to refer to a layout of a living space in a general house. In FIG. 1, the case where one lighting device 10 is arranged in the indoor space 100 is illustrated and simplified, but a plurality of lighting devices may be arranged.

  The display D is, for example, a display unit such as a television or a personal computer, or a display unit of a device that displays an image so as to be visible on another predetermined surface. The area of the display area on the display D is not particularly limited.

  When observing the display D, the person P who is an observer directly visually recognizes the display D from a predetermined position in the indoor space 100. Here, the position where the human P observes in the indoor space 100 is not particularly limited.

  When observing the display D, the human P preferably wears glasses 20 that can adjust the contrast of the display D. The configuration and function of the glasses 20 will be described later.

Next, the structure of the illuminating device concerning this invention is demonstrated.
FIG. 2 is a diagram illustrating a side view of the lighting device. As shown in FIG. 2, the lighting device 10 has an umbrella-shaped main body case 11. The main body case has a substantially cylindrical shape, is hollow inside, and is configured such that its peripheral surface is increased in diameter toward the lower side, as viewed from the side (as viewed from the front in FIG. 2). It is substantially trapezoidal. The main body case 11 has a configuration in which an upper end is closed by a top plate and a lower end is opened. The shape of the main body case is not particularly limited to such a shape.

  A connection portion 12 that can be connected to an attachment portion (not shown) provided on the ceiling or wall of the indoor space 100 is provided on the upper plate portion of the main body case 11. The connection unit 12 may include an electrical wiring or a cord for supplying electricity to the lighting device 10.

  Inside the main body case 11, there are provided a connector portion 14 electrically connected to an electrical wiring or the like extended through the connection portion 12, and a light source 13 such as a light bulb connected to the connector portion 14. ing.

  As the light source 13, for example, an incandescent bulb or a fluorescent lamp can be used, and its shape and standard are not particularly limited. In FIG. 2, the light source 13 is not particularly limited when viewed from above, and may be a linear shape, an annular shape, or a U-shape.

  Although not shown, the main body case 11 may be provided with a diffusion plate in order to efficiently diffuse the light emitted from the light source 13.

  A polarizing filter 15 having a disk shape is attached to the main body case 11 so as to close the open side end portion 11 a below the main body case 11.

FIG. 3 is a diagram illustrating a configuration of the polarization filter. The polarizing filter 15 has a disk-shaped plate body, and a plurality of (three in this embodiment) operation ribs 15a are formed on the peripheral surface of the plate body so as to project outward in the radial direction.
The polarizing filter 15 is a linear polarizing film in which the refractive index with respect to light incident in the linear direction changes by rotating around the central portion O.

  On the other hand, a plurality (three in this embodiment) of slits 11 b having a predetermined gap in the vertical direction are extended along the lower edge of the peripheral surface of the main body case 11 in the main body case 11. When attaching the polarizing filter 15 to the main body case 11, the plurality of operation ribs 15 a formed on the polarizing filter 15 are inserted into the plurality of slits 11 b from the inside of the main body case 11, respectively. It attaches so that at least one part may be exposed from the main body case 11 outside. When the human P pushes the operation ribs 15a around the center portion O with fingers, the operation ribs 15a move while being guided by the slits 11b, and the polarizing filter 15 can be rotated. As described above, the polarizing filter 15 is attached to the main body case 11 of the illumination device 10 in a rotatable state as indicated by the arrow direction in FIG.

  Indicators such as scales and markers may be formed on the outer peripheral surface and inner peripheral surface of the main body case 11 so that the amount of movement of the slit 11b can be confirmed.

Next, a procedure of a display adjustment method using the lighting device will be described.
When observing a display in a room where the lighting device 10 according to the present invention is arranged, first, the display D and the lighting device 10 are turned on. The observer subjectively determines the contrast of the display D by visual recognition, and rotates the polarizing filter 15 of the illumination device 10. At this time, the observer sets the rotation position of the polarizing filter 15 so that the contrast of the display D becomes the highest while adjusting the polarization amount of the light emitted from the light source 13 of the illumination device 10 by the polarizing filter 15. .

  The illumination device 10 is not limited to the configuration in which the observer manually rotates the polarizing filter 15 as described above. For example, a mechanism may be adopted in which the polarizing filter 15 is rotated by driving a driving unit provided in the main body case 11 by an observer operating remotely with a remote controller or the like.

  When the illumination device 10 observes the display in a room, the observer can adjust the contrast of the display D by changing the polarization direction by operating the polarization filter 15 provided in the illumination device 10. . For this reason, it is not necessary to attach a specific film separately to the display D itself, and the display D can be observed with high contrast.

Next, glasses for contrast adjustment that can adjust the contrast when observing the display in a room where the illumination device is arranged will be described.
FIG. 4 is an overall perspective view illustrating the configuration of the glasses. FIG. 5 is a diagram showing a state seen in the direction of the arrow X in FIG.
As shown in FIG. 4, the glasses 20 have a frame body 21. The frame main body 21 is formed with a frame front plate portion 22 and a pair of handles 23 each having one end attached to the frame front plate portion 22. The pair of handles 23 are respectively formed with hook portions 23 a at the other end, which is the end opposite to the frame front plate portion 22. With the eyeglasses 20 worn by the observer, the hook portions 23a of the pair of handles 23 are stretched over both ears of the observer. The pair of handles 23 may be formed integrally with the frame front plate portion 22 or may be configured to be foldable with respect to the frame front plate portion 22 by a hinge portion.

  The frame front plate portion 22 has a partially cut-out relief portion 24 so as to be held at the upper portion of the nose without interfering with the viewer's nose while wearing the glasses 20. Is formed.

  A pair of openings 26 are formed in the frame front plate part 22, and a substantially disk-shaped lens part 27 is accommodated and held in each of the pair of openings 26. The shape of the lens portion 27 can be a flat plate or a biconvex shape in which both surfaces are formed with a predetermined curvature.

  A polarizing filter 25 having a substantially disk shape is provided on the front side of each of the lens portions 27 housed and held in the pair of openings 26 of the frame front plate portion 22. The polarizing filter 15 has a configuration employing a linear polarizing film.

  The polarizing filter 25 is housed and held in a pair of openings 26 in a state where a part of the peripheral edge of the polarizing filter 25 is exposed, and an operation rib 25 a is provided at an exposed portion of each polarizing filter 25. . Then, when the eyeglass 20 is worn by the observer, the operation rib 25a is operated in the direction of the arrow in FIG. 4 with a finger or the like, so that the polarizing filter 25 moves to the axis of the observer's direct viewing direction (the dashed line in FIG. It rotates around the axis indicated by. Then, the polarizing filter 25 is configured to change the refractive index with respect to the light incident in the linear direction by rotating.

  As described above, since the polarizing filter 25 can be rotated with the glasses 20 attached, when adjusting the contrast of the display D, the observer operates the polarizing filter 25 with his / her finger or the like to adjust the polarization. You can adjust the direction. For this reason, it can adjust so that it may become high contrast, visually recognizing the display D with the state which mounted | wearing spectacles, and it is convenient.

It is a figure explaining the illuminating device of the display concerning this invention, and the use condition of spectacles. It is a figure which shows the state which looked at the illuminating device from the side. It is a figure which shows the structure of a polarizing filter. It is a whole perspective view explaining the structure of spectacles. It is a figure which shows the state seen in the arrow X direction of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Illuminating device 15 Polarizing filter 20 Glasses 25 Polarizing filter D Display P Observer

Claims (5)

An illumination device for adjusting the contrast of a display installed indoors,
A body case,
A light source provided in the body case;
A polarizing filter for polarizing the light emitted from the light source,
An illumination device for contrast adjustment, wherein the polarizing filter is movably attached to the main body case so that the polarization direction of the polarizing filter can be changed. When observing a display in a room in which the illumination device according to claim 1 is disposed, the contrast adjustment glasses can adjust the contrast,
A main body frame having a pair of lenses and a pair of handles to be worn on a human ear to be worn;
The pair of lenses is provided with a polarizing filter that is held by the main body frame so that the polarization direction of the pair of lenses can be changed.   The spectacles according to claim 2, wherein the polarizing filter is configured to be rotatable around an axis in a direct viewing direction in a mounted state. An adjustment method for adjusting the contrast of a display installed indoors,
A display adjustment method comprising: arranging an illumination device including a polarization filter for polarizing light emitted from a light source, changing a polarization direction of the polarization filter, and observing the display.   Wearing spectacles with a body frame having a pair of lenses and a pair of handles to be worn on a human ear to be worn, and changing the polarization direction of the polarization filter provided on each of the pair of lenses, thereby improving contrast. The display adjustment method according to claim 4, wherein adjustment is performed.

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