JP6525190B2 - Display device - Google Patents

Description

  The present invention relates to a display device in which a through hole is formed in a translucent cover.

  Conventionally, various display devices for vehicles in which a through hole through which a reset knob penetrates is formed in a translucent cover are disclosed, for example, in Patent Document 1. In such a vehicle display device, a knob switch is provided in a meter housing, and a pressing end of a reset knob supported in the meter housing is opposed to the knob switch and on the display side of the meter housing. The through-hole which penetrates the said reset knob is formed in the translucent cover provided.

JP, 2011-230591, A

However, as shown in FIG. 7, when the optical film 7 such as an anti-reflection film is attached to the rear surface of the translucent cover 8, the opening of the optical film 7 is restricted due to the restriction of the accuracy of the attachment position Since the portion 7a is larger than the through hole 8a, there is a problem that the opening 7a of the optical film 7 is noticeable when viewed from the front.
The present invention has been made in view of this problem, and provides a display device in which the opening of the optical film is inconspicuous.

The present invention includes a display unit 30, the operation unit 90 for operating the display 30, the through hole 81a of the operating portion 90 extends, have a cylindrical portion 81 and 181 which 181a is formed a front side of the display And an optical film 70 attached to the rear surface of the light transmitting cover 80, 180, having an opening 70a through which the operation unit 90 passes. The cylindrical portions 81 and 181 of the light-transmissive cover 80 and 180 protrude in the forward direction, and the opening 70 a of the optical film 70 is the through hole 81 a of the light-transmissive cover 80 and 180, It is larger than 181a and smaller than the outer diameter of the cylindrical portion , and the front surface of the cylindrical portions 81 and 181 is an inclined surface.

  Further, in the present invention, the inclined surfaces of the cylindrical portions 81 and 181 are conical surfaces.

The present invention also distribution and display 30, an operation unit 90 for operating the display 30, the front side of the display unit have a cylindrical portion 281 through hole 281a of the operating portion 90 penetrates is formed The light transmitting cover 280 includes: a light transmitting cover 280 provided; and an optical film 70 having an opening 70a through which the operation unit 90 penetrates and stuck to the rear surface of the light transmitting cover 280. The cylindrical portion 281 protrudes forward, and the opening 70a of the optical film 70 is larger than the through hole 281a of the light-transmissive cover 280 and smaller than the outer diameter of the cylindrical portion. The front surface of the cylindrical portion 281 has a plurality of steps.

  In the present invention, the opening 70 a of the optical film 70 is circular.

  Since the opening of the optical film is inconspicuous, the appearance quality is good.

FIG. 1 is a front view showing a first embodiment of the present invention. The block diagram which shows embodiment same as the above. The example of a display example showing the embodiment same as the above. Principal part expanded sectional view and principal part enlarged rear view which show embodiment same as the above. The principal part expanded sectional view which shows 2nd embodiment of this invention. The principal part expanded sectional view which shows 3rd embodiment of this invention. Sectional drawing which shows a prior art example.

  Hereinafter, an embodiment of the present invention will be described based on the attached drawings. 1 to 4 show a first embodiment. The display device for a vehicle includes pointer type meters 10 and 20, a liquid crystal display 30, a turning member 40, a translucent cover 80, and a reset knob 90.

  The pointer type meter 10 is a speedometer that displays the vehicle speed, and the pointer type meter 20 is a tachometer that displays the number of revolutions of the engine. The pointer-type meter 10, 20 has a dial 11, 21, hands 12, 22, and stepping motors 13, 23, respectively. The dial 11, 21 has index portions 11 a, 21 a indicated by the hands 12, 22. The hands 12, 22 are rotated by the stepping motors 13, 23, and indicate the index portions 11a, 21a of the dials 11, 21.

  The liquid crystal display 30 has a liquid crystal display panel 31 formed of a TFT (Thin Film Transistor) type liquid crystal display element, and a light emitting element 32 for transmitting and illuminating the liquid crystal display panel 31. On the screen 30a of the liquid crystal display 30, an integrated travel distance (ODD meter) and a section travel distance (TRIP meter) are displayed. The facing member 40 is made of an opaque resin, and the facing member 40 has circular openings 41 and 42 corresponding to the pointer type meter 10 and the pointer type meter 20 and rectangular openings 43 corresponding to the liquid crystal display 30. And are formed.

  A translucent cover 80 made of a transparent resin such as acrylic is disposed on the front side of the pointer-type instruments 10 and 20 and the liquid crystal display 30. The reset knob 90 is made of a rod-shaped opaque resin and penetrates the translucent cover 80. The front end portion of the reset knob 90 is a portion pressed by the vehicle driver, and the rear end portion of the reset knob 90 is a portion pressed the reset switch 63.

  The microcomputer 50 has a CPU 51, a ROM 52, and a RAM 53. The speed sensor 61 detects the speed of the vehicle and outputs speed data to the microcomputer 50. The speed data input to the microcomputer 50 is also used to calculate the travel distance. The rotation sensor 62 detects the number of rotations of the engine, and outputs the number-of-rotations data to the microcomputer 50. The microcomputer 50 drives the stepping motors 13 and 23 and the liquid crystal display 30 based on a predetermined program stored in the ROM 52.

  The reset switch 63 is, for example, a tactile switch, is turned on when the reset knob 90 is pressed, and outputs an operation signal to the microcomputer 50. When the reset switch 63 is turned on, the microcomputer 50 sets the zone traveling distance (TRIP meter) displayed on the screen 31 a of the liquid crystal display panel 31 to “0”.

  The translucent cover 80 has a cylindrical portion 81 in which a through hole 81 a through which the reset knob 90 passes is formed. The cylindrical portion 81 of the translucent cover 80 protrudes in the forward direction, and the front surface 81 b of the cylindrical portion 81 is a conical surface that tapers in the forward direction. In addition, in this specification, a "conical surface" does not mean the whole surface of a cone but a part of the conical surface which does not include the vicinity of the apex of the cone. The circumferential surface 81 c of the cylindrical portion 81 is a cylindrical surface. An antireflective film 70 is attached to the rear surface of the translucent cover 80. The anti-reflection film 70 is formed with a circular opening 70 a through which the reset knob 90 passes. The opening 70 a of the anti-reflection film 70 is larger than the through hole 81 a of the cylindrical portion 81.

  According to the first embodiment, the light in the direction of the line of sight is refracted by the front surface 81b of the cylindrical portion 81, so that the opening 70a of the antireflection film 70 becomes difficult to see, and the appearance quality is improved.

  FIG. 5 shows a second embodiment. The second embodiment is different from the first embodiment only in the shape of the cylindrical portion 181 of the light transmitting cover 180.

  The translucent cover 180 has a cylindrical portion 181 in which a through hole 181 a through which the reset knob 90 passes is formed. One cylindrical portion 81 of the translucent cover 180 protrudes in the forward direction, and a front surface 181 b of the cylindrical portion 181 is a conical surface spreading in the forward direction. The circumferential surface 181 c of the cylindrical portion 181 is a cylindrical surface. An antireflective film 70 is attached to the rear surface of the translucent cover 180. The opening 70 a of the anti-reflection film 70 is larger than the through hole 181 a of the cylindrical portion 181.

  According to the second embodiment, since the light in the direction of the line of sight is refracted by the front surface 181b of the cylindrical portion 181, the opening 70a of the antireflection film 70 is difficult to see, and the appearance quality is improved.

  FIG. 6 shows a third embodiment. The third embodiment is different from the first embodiment only in the shape of the cylindrical portion 281 of the light transmitting cover 280.

  The translucent cover 280 has a tubular portion 281 in which a through hole 281 a through which the reset knob 90 passes is formed. The cylindrical portion 281 of the translucent cover 280 protrudes in the forward direction, and the front surface 281 b of the cylindrical portion 281 has a plurality of steps. The circumferential surface 281 c of the cylindrical portion 281 is a cylindrical surface. An antireflective film 70 is attached to the rear surface of the translucent cover 280. The opening 70 a of the anti-reflection film 70 is larger than the through hole 281 a of the cylindrical portion 281.

  According to the third embodiment, since the stepped portion is formed on the front surface 281b of the cylindrical portion 281, the opening 70a of the antireflection film 70 is difficult to see, and the appearance quality is improved.

  The present invention is not limited to the embodiments, and various modifications are possible. For example, the optical film may be a moth-eye film or an antiglare film.

30 Liquid Crystal Display (Indicator)
70 Antireflection Film (Optical Film)
70a opening 80 translucent cover 81 tube 81a through hole 90 reset knob (operation portion)
180 translucent cover 181 tube part 181 a through hole 280 translucent cover 281 tube part 281 a through hole

Claims (4)

A display; and an operation unit for operating the display;
A translucent cover that the operation section is disposed on the front side of the display unit have a cylindrical portion formed with a through-hole which penetrates the light-transmitting cover has an opening in which the operating portion penetrates And an optical film attached to the rear surface,
The cylindrical portion of the translucent cover protrudes in the forward direction, and
The opening of the optical film is larger than the through hole of the light-transmitting cover and smaller than the outer diameter of the cylindrical portion , and the front surface of the cylindrical portion is an inclined surface. Display device.   The display device according to claim 1, wherein the inclined surface of the cylinder portion is a conical surface. A display unit, wherein the operation section for operating the display device, a translucent cover through holes are arranged on the front side of the display unit have a cylindrical portion formed to the operating portion extends, the operating unit And an optical film attached to the rear surface of the light transmitting cover, having an opening through which
The cylindrical portion of the translucent cover protrudes in the forward direction, and
The opening of the optical film is larger than the through hole of the light-transmissive cover and smaller than the outer diameter of the cylindrical portion , and the front surface of the cylindrical portion has a plurality of steps. Display device. The display according to any one of claims 1 to 3, wherein the opening of the optical film is circular.

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