JP2002351358A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device having improved design characteristics. SOLUTION: A first display panel 30 has a translucent substrate and an electrode formed on the translucent substrate. An end leaf member 24 has a first opening 46 and second openings 49 provided in the range corresponding to the first display panel 30. In a second display panel 68, a fixed display part is provided at a place corresponding to the second openings 49, and are placed at the front side of the first display panel 30. Light emitting elements 69 irradiate the second display panel 68 with light from the backside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly, to a display device using a display device such as a liquid crystal display device.

[0002]

2. Description of the Related Art Conventionally, a display device for a vehicle using a liquid crystal display element as a dial of an analog instrument has been proposed. For example, as shown in FIG. There is a display device 3 for a vehicle using the same.
The speedometer 1 has a liquid crystal display element 2, a pointer 4, and the pointer 4
The pointer 4 is rotated in accordance with the vehicle speed by the pointer driving means, and indicates the indicator 5 of the liquid crystal display element 2. The liquid crystal display element 2 includes a variable display section 6 for displaying a shift position and the like.
And an index portion 5 arranged in an arc shape, and a numeral portion 7 provided in the vicinity of the index portion 5.

[0003] The vehicle display device 3 comprises a fuel gauge 8, a water temperature gauge 9.
And a plurality of indicator displays 10, and the fuel gauge 8 and the water temperature gauge 9 are provided with dials 11, 12 and hands 13,
14 respectively. The dials 11 and 12 are provided on a substrate made of a translucent resin (for example, polycarbonate).
The light-shielding portion is formed except for 5 and 16. The return member 17 is provided with circular openings 18, 19, and 20 corresponding to the speedometer 1, the fuel gauge 8, and the water temperature gauge 9, respectively, and an oval opening 21 corresponding to the indicator display unit 10.

[0004]

However, the indicator display section 10 is located within the range S corresponding to the liquid crystal display element 2.
It is difficult to lay out the indicator display units 10 around the speedometer 1 and all the indicator display units 1 are out of the range S corresponding to the liquid crystal display element 2.
Since 0 is laid out and the layout balance of the indicator display unit 10 is not always good, it is desired to arrange the indicator display unit 10 also around the speedometer 1 to improve the design. In addition, since the range in which the indicator display unit 10 can be arranged is narrow, there is a problem that a large indicator display unit 10 cannot be provided.

[0005]

According to the present invention, in order to solve the above-mentioned problems, a light-transmitting substrate 57, 58, 83, 84 and an electrode 55 formed on the light-transmitting substrate 57, 58, 83, 84 , 56, 81, 82, a first display panel 30, 74 made of a display element, and first openings 46, 91 provided in a range S corresponding to the first display panel 30, 74, Return member 24, 75 having two openings 49, 92
Fixed display portions 28 and 79 are provided at locations corresponding to the second openings 49 and 92, and the first display plates 30 and 74 are provided.
And second light-emitting elements 69 and 76 for irradiating the second display plates 68 and 73 with light from behind.

According to the present invention, the first display panels 30, 74, and the first openings 46, 91 and the second openings 49, 49 provided in a range S corresponding to the first display panels 30, 74 are provided. A return member 24, 75 having a second opening 92;
Fixed display portions 28 and 79 are provided at positions corresponding to 92, and second display plates 68 and 73 are disposed in front of the first display plates 30 and 74.

The present invention also provides a pointer 31 and the pointer 3
Pointer driving means 33 for rotating the light transmitting substrate 1;
58, 83, 84 and the translucent substrates 57, 58, 8
A first display comprising a display element having electrodes 55, 56, 81, 82 formed on the reference numerals 3, 84 and having holes 54, 90 formed at positions corresponding to the rotation shaft 53 of the pointer driving means 33. Plates 30, 74, and facing members 24, 75 having first openings 46, 91 and second openings 49, 92 provided in a range S corresponding to the first display plates 30, 74,
Fixed display portions 28, 79 are provided at locations corresponding to the second openings 49, 92, and second display plates 68, 73 disposed in front of the first display plates 30, 74; Light-emitting element 6 for irradiating display panels 68, 73 with light from behind
9, 76.

Further, the present invention relates to the first display panel 30.
Has an index portion 34 indicated by the pointer 31.

The present invention also relates to the second display panel 73.
Has an index portion 77 pointed by the pointer 31.

Further, in the present invention, a light guide member 70 for guiding the light of the light emitting element 69 to the second display panel 68 is provided.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 to 6 are views showing a first embodiment. Reference numeral 22 denotes a housing. The housing 22 has a case body 23 and a return member 24. The housing 22 houses three analog instruments, that is, a speedometer 25, a fuel gauge 26, and a water temperature gauge 27. The speedometer 25 is larger than the fuel gauge 26 and the water temperature gauge 27, and is arranged between the fuel meter 26 and the water temperature gauge 27. 28 and 29 are indicator display units,
The indicator display unit 28 (fixed display unit) notifies the blinking of the direction indicator, and the indicator display unit 29 notifies that the headlight is facing upward and warns such as a decrease in oil pressure.

The speedometer 25 has a liquid crystal display element 30 (first display panel), hands 31, a light guide member 32, and a stepping motor 33 (hand driving means). The pointer 31 is rotated by the stepping motor 33 according to the vehicle speed, and indicates the indicator 34 of the liquid crystal display element 30. Reference numeral 35 denotes a circuit board on which a stepping motor 33 is mounted. Reference numeral 36 denotes a valve.
Is connected to the circuit board 35. The liquid crystal display element 30 is transmitted and illuminated by the light of the bulb 36.
Is guided to the pointer 31 by the light guide member 32, and the pointer 31
Is illuminated.

The fuel gauge 26 and the water temperature gauge 27 are
8, 39 and hands 40, 41, respectively. The dials 38 and 39 are made of a translucent resin (for example, polycarbonate)
A light-shielding portion is formed on a substrate made of, except for the index portions 42 and 43. The hands 40 and 41 are rotated by a stepping motor (not shown) to indicate the index portions 42 and 43 of the dials 38 and 39.

Reference numeral 44 denotes a protective cover. The protective cover 44 is locked to the return member 24 by locking claws.
The protective cover 44 is made of a translucent resin such as acrylic. The counter member 24 has a speedometer 25 and a fuel meter 2
6, circular openings 4 are provided at locations corresponding to the water temperature gauge 27, respectively.
6, 47, 48 are formed, and circular or elliptical openings 49, 50 are formed. Openings 46, 4
9 is provided in a range S corresponding to the liquid crystal display element 30, and the openings 47, 48, 50 are provided outside the range S.

Next, the liquid crystal display element 30 will be described in detail with reference to FIGS. The liquid crystal display element 30 has an index portion 34 arranged in an arc shape, a number portion 51 provided near the index portion 34, and a variable display portion 52. The liquid crystal display element 30 includes a variable display section 52, "P",
Shift positions such as "R", "N", "D", "3", "2" are displayed. The liquid crystal display element 30 has a hole 54 through which the rotating shaft 53 of the stepping motor 33 passes.

The liquid crystal display element 30 includes transparent electrode films 55, 5
A liquid crystal cell 60 in which a liquid crystal 59 is sealed in a pair of translucent substrates 57 and 58 on which the electrodes 6 are formed is provided with a polarizing plate 61
62 are bonded together. Each transparent electrode film 55, 5
6 is a stripe shape orthogonal to each other, and a portion where the transparent electrode film 55 and the transparent electrode film 56 face each other is a pixel 63.
It is. Reference numerals 64 and 65 denote light-shielding portions.
65 is formed on the light transmitting substrate 57. Light shielding portion 64,
Numerals 65 are provided in a frame shape having a predetermined width W, respectively.
The opening 4 is the index portion 34, and the opening of the light shielding portion 65 is the numeral portion 51.
It has become. The predetermined width W of the light shielding portions 64 and 65 is
3 is longer than the diagonal length L.

The liquid crystal display element 30 is of a negative display type in which a pixel 63 to which a voltage is applied is in a transmissive state, and a pixel 63 to which no voltage is applied is in a light-shielded state. When the ignition key of the vehicle is on, the indicator 34 and the numeral 5
1 is on. The liquid crystal display element 30 includes an indicator section 34
In order to make the light-transmitting state, a region 66 wider than the index portion 34 and narrower than the outline of the light-shielding portion 64 is made transparent (see FIG. 6). Similarly, the liquid crystal display element 30
In order to make the numeral section 51 transparent, an area wider than the numeral section 51 and smaller than the outline of the light shielding section 65 is made transparent.

Next, based on FIG.
Will be described in detail. The indicator 67 is a display plate 68
(A second display plate), a bulb 69 and a light guide member 70. The display plate 68 is formed by printing and forming the indicator display portion 28 having an arrow shape on a substrate made of a translucent resin such as polycarbonate. The display plate 68 is disposed at a position corresponding to the opening 49, and is located on the rear side of the facing member 24. Adhered to. The bulb 69 is connected to the circuit board 35 and blinks in response to the turn signal. The light of the bulb 69 is guided by the light guide member 70 to the rear surface of the display panel 68. A light blocking wall 71 is provided between the bulb 69 and the bulb 36 so that light from the bulb 36 does not enter the light guide member 70.

FIGS. 7 to 9 show a second embodiment. The second embodiment differs from the first embodiment only in the display panel 73 (second display panel), the liquid crystal display element 74 (first display panel), the facing member 75, and the light emitting diode 76. It is. The display plate 73 includes a substrate made of a translucent resin, an index portion 77, a number portion 78, and an indicator display portion 79.
Is formed by printing. The display plate 73 has substantially the same size as the liquid crystal display element 74 and has a stepping motor 33.
A hole 80 through which the turning shaft 53 passes is formed.

The liquid crystal display element 74 includes transparent electrode films 81, 8
A liquid crystal cell 86 in which a liquid crystal 85 is sealed in a pair of translucent substrates 83 and 84 on which two (electrodes) are formed, a polarizing plate 87,
88. Each transparent electrode film 81, 8
2 has a stripe shape orthogonal to each other, and a portion where the transparent electrode film 81 and the transparent electrode film 82 face each other is a pixel 89.
It is. The liquid crystal display element 74 has a hole 90 through which the rotating shaft 53 passes.

The facing member 75 has an opening 91 at a position corresponding to the speedometer 25 and an opening 92 at a position corresponding to the indicator display 79. The openings 91 and 92 are formed in a range corresponding to the liquid crystal display element 74. The indicator 93 includes an indicator display section 79 and a light emitting diode 76. The light emitting diode 76 is disposed directly below the indicator display section 79, is connected to the circuit board 35, and blinks in response to the turn signal.

According to the first and second embodiments, the speedometer 25
The indicator displays 28, 79 can be laid out also around the indicator display, and the indicator displays 28, 29, 79 can be laid out.
Layout balance is good and design is improved.
Further, since the range in which the indicator display sections 28, 29, and 79 can be laid out is widened, the indicator display section 2
8, 29, 79 can be increased, and the visibility is improved.

The first display panel in the first and second embodiments is a dot matrix type liquid crystal display element 30, 74, but may be a segment type. Further, the pointer driving means is the stepping motor 33, but may be, for example, a cross coil type movement. Further, the first display panel may be, for example, an organic electroluminescent display element.

[0024]

The present invention provides a first display panel, a dial member having a first opening and a second opening provided in a range corresponding to the first display panel, A second display plate provided with a fixed display portion at a position corresponding to the opening and disposed in front of the first display plate,
The layout balance of the fixed display section is improved, and the design is improved.

According to the present invention, there is provided a first display panel comprising a light-transmitting substrate and a display element having electrodes formed on the light-transmitting substrate, and provided in a range corresponding to the first display plate. A return member having a first opening and a second opening, and a second display plate provided with a fixed display portion at a position corresponding to the second opening and arranged on the front side of the first display plate, And a light emitting element for irradiating the second display panel with light from behind. The layout balance of the fixed display section is improved, and the design is improved.

The present invention also provides a pointer, a pointer driving means for rotating the pointer, a light-transmitting substrate, and an electrode formed on the light-transmitting substrate. A first display panel composed of a display element having a hole formed at a corresponding location, and a facing member having a first opening and a second opening provided in a range corresponding to the first display panel, ,
A second display board provided with a fixed display unit at a position corresponding to the second opening and arranged on the front side of the first display board,
A light emitting element for irradiating the second display panel with light from behind,
And the layout balance of the fixed display section is improved, and the design is improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part showing a first embodiment of the present invention.

FIG. 2 is a front view of the vehicle display device according to the embodiment;

FIG. 3 is a sectional view of the vehicle display device according to the embodiment;

FIG. 4 is a perspective view of a liquid crystal display element showing the embodiment.

FIG. 5 is a cross-sectional view of the liquid crystal display element showing the embodiment.

FIG. 6 is an enlarged front view of a main part showing the embodiment.

FIG. 7 is an essential part cross-sectional view showing a second embodiment of the present invention.

FIG. 8 is a perspective view of a display panel and a liquid crystal display element according to the embodiment.

FIG. 9 is a cross-sectional view of the liquid crystal display element showing the embodiment.

FIG. 10 is a front view of a vehicle display device showing a conventional example.

[Explanation of symbols]

 24 Returning member 28 Indicator display section (fixed display section) 30 Liquid crystal display element (first display panel) 31 Pointer 33 Pointer driving means 46 Opening (first opening) 49 Opening (second opening) 53 Rotating shaft 54 Hole 55, 56 Transparent electrode film (electrode) 57, 58 Translucent substrate 68 Display panel (second display panel) 69 Bulb (light emitting element) 70 Light guide member 73 Display panel (second display panel) 74 Liquid crystal Display element (first display panel) 75 Look-up member 75 Index part 76 Light-emitting diode (light-emitting element) 81, 82 Transparent electrode film (electrode) 83, 84 Translucent substrate 90 Hole 91 Opening (first opening) 92 Opening (second opening)

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification FI FI Theme Court ゛ (Reference) G09F 9/35 G09F 9/35 (72) Inventor Mitsugu Kobayashi 1-1190 Fujibashi 1-chome, Fujioka, Nagaoka-shi, Niigata Japan Inside R & D Center Co., Ltd. (72) Inventor Yukio Umezawa 1-1190-1, Fujibashi, Nagaoka City, Niigata Prefecture Japan Seiki Co., Ltd. R & D Center (72) Inventor Osamu Shima 1-1190-1, Fujibashi, Nagaoka City, Niigata Prefecture Japan Seiki Co., Ltd. R & D Center F-term (reference) 2H088 EA23 MA02 MA20 3D044 BA21 BB01 BD01 5C094 AA01 AA51 BA03 BA43 CA16 CA19 5G435 AA01 BB12 BB15 CC09 CC13 GG26 LL17

Claims (6)

[Claims] 1. A first display panel, a return member having a first opening and a second opening provided in a range corresponding to the first display panel, and a counterpart member corresponding to the second opening. And a second display panel provided with a fixed display unit at a location and disposed in front of the first display panel. 2. A first display panel including a light-transmitting substrate and a display element having electrodes formed on the light-transmitting substrate, and a first display panel provided in a range corresponding to the first display panel. A return member having an opening and a second opening, a second display plate provided with a fixed display portion at a position corresponding to the second opening, and disposed in front of the first display plate, A light emitting element for irradiating light to the second display plate from behind. 3. A pointer, a pointer driving means for rotating the pointer, a light-transmitting substrate, and an electrode formed on the light-transmitting substrate. A first display panel formed of a display element having a hole formed therein, and a dial member having a first opening and a second opening provided in a range corresponding to the first display panel; A fixed display portion is provided at a position corresponding to the opening of the second display plate disposed on the front side of the first display plate, and a light emitting element that irradiates the second display plate with light from behind, A display device, comprising: 4. The display device according to claim 3, wherein the first display plate has an index portion indicated by the pointer. 5. The display device according to claim 3, wherein the second display plate has an index portion indicated by the pointer. 6. The display device according to claim 1, further comprising a light guide member for guiding light of said light emitting element to said second display plate.