JP2008090154A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device which is highly convenient and has good appearance. <P>SOLUTION: A second display device 2 is attachably and detachably provided in an opening of a first display device 1 formed like a cylinder. An entire clock is not upsized because an inner peripheral side space of the first display device 1 is effectively used. A crown 26 provided in the second display device 2 can be easily operated by detaching the second display device 2 from the first display device 1. This configuration making the first and second display devices 1 and 2 independent of each other allows an existing movement to be used for the second display device 2 or the like and is capable of considerably shortening a development period of a product and of reducing the manufacturing cost. Since the first display device 1 and the second display device 2 are made independent of each other as a dual structure and are attachably and detachably configured, external operation members such as the crown 26 are not exposed to the outside in a united state of the first and second display devices 1 and 2, so that neat appearance can be achieved. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an annular display device.

Conventionally, display devices that display various information such as time, calendar, character information, image information, map information, temperature and humidity, and water depth in an analog or digital manner, such as clocks, diving computers, measuring instruments, mobile phones, PDAs (Personal) Various display devices such as Digital Assistants) are known, and the display unit in these display devices is a part of a case (case) that houses a display unit driving device, a control circuit board, a battery, and other device main bodies. Often provided in a plane. That is, the display unit is a dial of a watch, a scale plate of an instrument, or a display body such as a liquid crystal panel.
Here, as a display device having a display unit of a special mode, a rotating plate having a 24-hour scale on the outer peripheral part in the vicinity of the case opening is displayed on the outer peripheral surface of the cylindrical case by printing or the like. There has been proposed a so-called world clock provided with a dial, hands, and a clock mechanism inside the case opening (Patent Document 1).

JP-A-8-278375

As described above, the display unit provided in the conventional display device has a flat configuration viewed from one direction and has a uniform tendency. In addition, although the display part in the display apparatus of patent document 1 formally has two, a pointer and a dial, and a world map around the case, the world map is only a picture drawn by printing or the like. Since the information is dynamically displayed only by the pointer and the dial plate, it can be said that the display portion is substantially one.
By the way, in recent years, an electrophoretic display having flexibility has been put into practical use, and it is desired to provide a display device having a structure which has not been conventionally used by using such a bent display panel.
Here, for example, in a display device having a liquid crystal panel or the like, the enlargement of the screen is promoted. In addition, in an analog display timepiece or the like, a plurality of small dials or fan-shaped display portions are provided in addition to a normal dial. Although attempts have been made to make the system more complex, it is desirable to improve the convenience and appearance of the entire display device by taking into consideration the visibility of the display unit using a different approach.

  An object of the present invention is to provide a display device that is highly convenient and has a good external appearance.

  The display device of the present invention includes a cylindrical body having an outer peripheral display portion along an outer peripheral portion, and a case having the cylindrical portion is detachably provided inside the opening of the cylindrical body.

According to the present invention, a curved display portion can be realized along the outer peripheral portion of the cylindrical body, and various devices can be incorporated in the case disposed in the space formed on the inner peripheral side of the cylindrical body. The case itself can be used as a storage unit for small items, for example. In other words, it is possible to incorporate equipment and the like well into the inside of the cylindrical body, and by effectively utilizing the inner peripheral side space of the cylindrical body as a case of the inner peripheral side case in this way, The overall size of the display device does not increase. In addition, it is possible to realize a highly convenient display device that has not only the display function by the outer peripheral display unit but also the functions of devices incorporated in the case.
In addition, if necessary, the cylindrical body and the case can be carried together or separately, and in this respect, convenience can be enhanced.

  In addition, the inner peripheral case can be attached to and detached from the outer peripheral cylindrical body, and the cylindrical body (display device) including the outer peripheral display unit, and the equipment and the like equipped in the inner peripheral case are: It is configured to satisfy each function even in a separated state. In other words, the existing product main body can be used for each of the cylindrical body and the equipment and the like installed on the inner peripheral side of the cylindrical body, and it is necessary to newly redesign only for the display device of the present invention. Therefore, the product development period can be greatly shortened, and the manufacturing cost can be greatly reduced.

Here, when the cylindrical body and the device on the inner peripheral side are configured independently to satisfy the respective functions, the cylindrical body and the case on the inner peripheral side are respectively used for external operation. Although a button or the like is provided, since the cylindrical body and the inner peripheral case are detachable, it is possible to easily operate the display device having the cylindrical body and the equipment mounted on the case. That is, it is assumed that the operation buttons and the like are provided on the outer periphery of the case and the case is attached to the cylindrical body, the operation buttons and the like cannot be operated or are difficult to operate. By removing the case from the operation buttons, the operation buttons and the like arranged on the outer periphery of the case can be easily operated.
In addition, when the case is attached to the cylindrical body, the outer peripheral portion of the case is covered with the cylindrical body, and the operation of the equipment or the like provided between the outer peripheral portion of the case and the inner peripheral portion of the cylindrical body is performed. Since the buttons and the like are not exposed to the outside, the display device can have a clean appearance and can prevent dust from adhering to the operation buttons and the like.
That is, it is possible to provide a display device with a new design in which external operation members such as operation buttons provided in most devices do not appear on the appearance.

In the state where the case is attached to the cylindrical body, the inner peripheral portion of the cylindrical body is not exposed to the outside, so that the finishing of the inner peripheral portion of the cylindrical body can be simplified.
In addition, since the cylindrical body and the inner peripheral case are independent of each other, quality assurance such as waterproofness is facilitated.

In addition, the outer peripheral display part of the cylindrical body can be expressed in various ways compared to the conventional flat display part, and the design variation can be expanded. By combining with the case on the side, the degree of freedom in external design is greatly improved. Thereby, the display apparatus excellent in the external appearance design can be provided.
In addition, it is possible to manufacture a cylindrical body on the outer peripheral side according to the shape and size of the case of the equipment provided on the inner peripheral side, and the outer cylindrical body is provided for one type of equipment provided on the inner peripheral side. Multiple manufacturing is possible. On the contrary, it is possible to manufacture a plurality of inner peripheral devices and the like for one type of cylindrical body provided on the outer peripheral side. Thereby, model development of a product can be promoted.
As described above, it is possible to realize a display device that has a configuration that is not conventional and has high convenience and good appearance.

  The display device of the present invention includes a first display device as a cylindrical body having the outer peripheral display portion, and a second display device configured to include the case, and the second display device includes the first display device. It is preferable to have a flat display portion provided in a substantially flat shape in the opening of one display device.

  According to the present invention, it is possible to realize a display device having an unprecedented configuration including a curved outer peripheral display unit and a flat display unit. For example, by displaying information related to the information displayed on the flat display section on the outer peripheral side section, by using the outer peripheral display section and the flat display section properly, it is possible to simply arrange two flat display sections. Can obtain good visibility that cannot be obtained. That is, it is difficult to discriminate the information displayed on each of the flat display portions, but in the present invention, one of the display portions is curved and the other is flat. Since the shapes of these are significantly different, the information displayed there can be easily discriminated and the display device can be easily viewed.

  In the display device of the present invention, it is preferable that the outer peripheral display unit is an electrophoretic display.

  According to the present invention, since the electrophoretic display can be easily made flexible by using a flexible substrate, the electrophoretic display is suitable for a display body provided along the outer peripheral curved surface of the cylindrical body. Taking advantage of such a characteristic of the electrophoretic display to bend, by using the electrophoretic display for the outer peripheral display unit, it is possible to realize a hybrid display device that combines the electrophoretic display and a display device other than the electrophoretic display. .

  In the display device according to the aspect of the invention, it is preferable that the outer peripheral display portion is provided over substantially the entire circumferential direction of the first display device.

According to this invention, it is possible to realize a large-screen outer periphery display section along the outer periphery of the cylindrical body, and it is possible to display various information on this wide outer periphery display section.
In addition, the same information can be displayed at a plurality of locations in the outer peripheral display portion, and in this case, the information can be visually recognized from a plurality of directions.

  In the display device according to the aspect of the invention, it is preferable that the cylindrical body and the case have engaging portions that engage with each other while the inner peripheral portion and the outer peripheral portion face each other.

According to the present invention, the cylindrical body and the case can be easily separated by disengaging the engaging portions from each other, so that the outer peripheral display part of these cylindrical bodies and the devices incorporated in the case can be easily obtained. Can be operated.
Further, since the engaging portion is provided between the inner peripheral portion of the cylindrical body and the outer peripheral portion of the case so as not to be exposed to the outside, the appearance of the display device can be improved.

  In the display device of the present invention, at least one of the first and second display devices is a timepiece having a timekeeping unit, and at least one of the outer peripheral display unit and the flat display unit has timekeeping information by the timekeeping unit. Preferably it is displayed.

  According to the present invention, since the first and second display devices are provided and the visibility and convenience are excellent, it can be suitably used as a configuration of a watch that is referred to many times a day, particularly a wrist watch or a pocket watch that is carried around. . That is, the above-described effect can be further increased by configuring the display device as a watch.

  In the display device according to the aspect of the invention, it is preferable that one of the cylindrical body and the case is provided with an attachment portion to which a band is attached, and is attached by the band attached to the attachment portion.

  According to the present invention, a cylindrical display device can be fitted with a band like a wristwatch body, and unlike the display part of a conventional wristwatch or portable device, the display part is arranged on the outer peripheral side surface part. It is possible to provide a watch with a novel exterior design. Further, unlike the prior art, the outer peripheral display portion located on the side surface side when viewed on the arm or the like can be viewed as it is, and the display information can be viewed without lifting the arm, so that convenience can be enhanced.

  In the display device according to the aspect of the invention, it is preferable that the second display device includes an analog display timepiece housed in the case, and the analog display timepiece has a pointer as the flat display portion.

According to the present invention, for example, an electrophoretic display, a liquid crystal panel (LCD), an organic EL (electro-luminescence), or the like is employed to display a display format for a digital display. By combining different analog display clock bodies, a hybrid display device in which two different types of display devices are combined can be provided.
In this way, combining two types of display devices into a single product is complicated in structure and easily leads to an increase in cost. However, in the present invention, two types of a cylindrical body on the outer peripheral side and a case on the inner peripheral side are used. Since the body structure is adopted, the manufacture of the hybrid display device can be facilitated and the cost can be reduced. That is, since a hybrid display device utilizing an existing analog movement (analog display clock) can be realized, the development period and cost can be greatly reduced.
In addition, by making the first display device and the second display device independent as a two-body structure and detaching them from each other, as described above, the crown, button, etc. provided on the analog display clock body The external operation member can be configured not to be exposed to the outside of the display device in a state where the first and second display devices are combined, and a refreshing appearance such as a crown-less or button-less appearance can be realized.

  In the display device according to the aspect of the invention, it is preferable that the analog display timepiece has an external operation member that changes an indication position of the pointer at a position facing an inner periphery of the first display device.

  According to the present invention, it is possible to hide external operation members such as a crown and an operation button which are usually provided in an analog display clock body from the outside, and thus a display device having a clean appearance can be provided as described above. That is, the appearance design can be enhanced without the design being restricted by the presence of the external operation member.

  ADVANTAGE OF THE INVENTION According to this invention, the display apparatus with the high convenience of the structure which is not in the past and a favorable external appearance can be provided.

  Embodiments of the present invention will be described below with reference to the drawings. In the following embodiments, a timepiece as a display device is shown. In addition, regarding description after 2nd embodiment, about the structure similar to 1st embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted or simplified.

[First embodiment]
FIG. 1 is an external perspective view of the timepiece of the first embodiment, and FIG. 2 is a side sectional view of the timepiece.
The timepiece of the present embodiment is configured as a hybrid timepiece including a first display device 1 having a digital display unit 10 as an outer peripheral display unit and a second display device 2 having an analog display unit 20 as a flat display unit. The band 3 is attached to the arm or the like.

The overall shape of the first display device 1 is a cylindrical body, and the first display device 1 includes a digital display unit 10 and a case 11 in which the digital display unit 10 is incorporated.
As shown in FIG. 2, the case 11 includes a substantially cylindrical body 110, a ring-shaped lid member 118 provided at the upper end along the circumferential direction of the body 110, and a cover glass provided on the outer periphery of the body 110. 119.

The body 110 has an arrangement portion 111 in which the digital display section 10 is disposed, and is formed in a substantially U-shaped cross section. The lower end portion 110A of the body 110 extends to the outer peripheral side from the upper end portion 110B. Further, on the outer peripheral side of the lower end portion 110 </ b> A of the body 110, a can 112 is projected as an attachment portion of the band 3 in the 6 o'clock direction and the 12 o'clock direction. A spring bar 112 </ b> A is used to connect the can 112 and the band 3.
The inner periphery of the upper end of the body 110 is reduced in diameter, thereby forming a stepped portion 113. In addition, on the inner peripheral side of the lower end portion 110 </ b> A of the body 110, concave portions 114 having an arcuate cross section that are engaging portions with the second display device 2 are formed at several locations in the circumferential direction of the body 110.
Further, a button arrangement portion 116 in which a push button 115 is arranged is formed in a part of the lower end portion 110 </ b> A of the body 110 in a circumferential direction, and the screen display of the first display device 1 is performed by operating the push button 115. It is possible to switch modes.
The push button 115 has a shaft portion 115A inserted into the button arrangement portion 116, and is urged from above to below in FIG. 2 by a coil spring or packing 115B provided around the shaft portion 115A. ing. When the push button 115 is pressed, it is pressed upward from below in FIG. 2 against the biasing force of the biasing member 115B such as a coil spring or packing.

The lid member 118 is fixed to a plurality of locations on the upper end portion 110 </ b> B of the trunk 110 with screws 118 </ b> A and protrudes to the outer peripheral side of the trunk 110. A packing P <b> 1 is interposed between the lid member 118 and the upper end portion 110 </ b> B of the trunk 110.
The cover glass 119 is formed in a cylindrical shape and is sandwiched between the lid member 118 and the lower end portion 110A of the trunk 110. In addition, packing P2 is interposed between the cover glass 119, the lid member 118, and the lower end portion 110A of the body 110, respectively.

  Here, when assembling the first display device 1, after the digital display unit 10 is assembled to the body 110, the cover glass 119 is provided on the outer periphery of the body 110 and supported by the lower end 110 </ b> A, and the lid member 118 is mounted on the body 110. And screwed to the upper end 110B.

The digital display unit 10 of the present embodiment is an electrophoretic display, and although not shown in detail, a display panel 100 having an electrophoretic layer between two flexible substrates and sealed with a moisture-resistant sheet, and a display A driver for driving the panel 100 and a control circuit board 105 on which a timer is mounted are modularized.
The display panel 100 is formed in a band shape and is provided on the outer peripheral portion of the body 110 over the entire circumference, and has a display area having a cylindrical curved surface of approximately 360 °. In the display area of the display panel 100, various types of information such as date, day of the week, time, and character information are displayed according to the clock mode.

FIG. 3 is a schematic diagram showing an electrophoretic layer 100A in the display panel 100. FIG.
The electrophoretic layer 100A is formed by densely arranging a large number of microcapsules MC, and each microcapsule MC is filled with an electrophoretic particle dispersion in which a large number of charged particles are dispersed. In this electrophoretic particle dispersion, black electrophoretic particles (hereinafter referred to as black particles) 101 and white electrophoretic particles (hereinafter referred to as white particles) 102 are dispersed. In this embodiment, two-color powders are dispersed. A fluid type electrophoretic layer is formed. The black particles 101 and the white particles 102 are charged with different polarities. In this embodiment, the black particles 101 are charged positively (positive) and the white particles 102 are charged negatively (negative).

  That is, when the segment electrode 103 formed on the display substrate of the display panel 100 has a low level potential (L potential) and the common electrode 104 formed on the transparent substrate of the display panel 100 has a high level potential (H potential), Due to the potential difference, an electric field from the common electrode 104 toward the segment electrode 103 is generated, the positively charged black particles 101 move to the segment electrode 103 side, and the negatively charged white particles 102 move to the common electrode 104 side.

  Contrary to the case of this white display, when the segment electrode 103 is set to a high level potential (H potential) and the common electrode 104 is switched to a low level potential (L potential), the direction of the electric field is reversed and the display panel 100 The display is black. In the example of FIG. 1, the segments constituting each character of “7/17 2006” (month / day year) are displayed in black.

Further, by adjusting the movement amount of the black particles 101 and the white particles 102 in accordance with the voltage application time, the applied voltage, and the like, it is possible to display an intermediate color with a color gradation between black and white.
When the application of the electric field is stopped, the movement of the black particles 101 and the white particles 102 is stopped, and the display color is maintained as it is.

Although not shown in the figure, the control circuit board 105 (FIG. 2) includes a controller for controlling the entire timepiece, a driver IC for the display panel 100, a crystal oscillation circuit element that constitutes a timer, and a push button 115. An input detection circuit unit for detecting the pressurization is mounted. Although not shown, a leaf spring is provided on the side surface of the control circuit board 105 facing the push button 115, and the tip of the leaf spring is contacted with the side surface of the control circuit board 105 by pressurization to the push button 115. Is turned on, the ON state of the push button 115 is detected.
The control circuit board 105 is connected to a power supply unit (not shown), and power is supplied to the control circuit board 105 from a battery provided in the power supply unit.

Returning to FIG. 1 and FIG. 2, the second display device 2 will be described.
The second display device 2 is provided inside the opening of the first display device 1 having a cylindrical shape, and includes an analog movement 2A (analog display clock) and a case 21 in which the analog movement 2A is incorporated. ing.
The analog movement 2 </ b> A is provided with a substantially flat analog display unit 20 including an hour hand 221, a minute hand 222, a second hand 223, and a dial 224, and a winding stem 25 and a crown 26 as external operation members.

A movement of an existing electronic timepiece (quartz) is used for the movement 2A of the present embodiment, and a circuit board, a coil, a stator, and a rotor, in which a quartz oscillator is built in the movement 2A to constitute a time measuring unit. It comprises the stepping motor which has, a drive wheel train, and the battery which is a motive power source, and is comprised similarly to the general analog quartz movement.
In addition to such a movement 2A, a movement of a mechanical timepiece or a mechanical electronic timepiece can be employed.

The case 21 includes a barrel 210 as a cylindrical tubular portion, a back cover 218 provided in an opening on the lower end side of the barrel 210, and a cover glass 219 provided in an opening on the upper end side of the barrel 210.
A packing P3 is provided between the back cover 218 and the lower end of the barrel 210, and a packing P4 is provided between the cover glass 219 and the upper end of the barrel 210.

  The outer peripheral side of the upper end portion of the body 210 is reduced in diameter, and thereby a step portion 212 is formed. Further, in the 3 o'clock direction of the barrel 210, a through hole 213 through which the winding stem 25 of the movement 2A is inserted and a concave portion 214 provided in the winding stem 25 and accommodating the crown 26 are formed. The crown 26 faces the inner peripheral surface of the case 11 of the first display device 1. Further, a packing 261 is provided at a portion where the crown 26 penetrates the trunk 210, and thereby the inside of the movement 2A is watertight.

In the outer peripheral part of the trunk | drum 210, the click ball | bowl 215 as an engaging part with the 1st display apparatus 1 is each provided in the several places of the circumferential direction.
The click ball 215 includes a pipe 215A provided in a hole 217 formed in the case 21, a ball 215B provided in the pipe 215A, and a coil spring 215C that urges the ball 215B toward the outside of the pipe 215A in the pipe 215A. Have The ball 215 </ b> B of the click ball 215 is locked to the tip of the pipe 215 </ b> A having a reduced diameter while being exposed to the outside of the pipe 215 </ b> A, and engages with the recess 114 of the first display device 1.
The first display device 1 and the second display device 2 are connected by the recess 114 and the click ball 215.

The second display device 2 described above is detachably provided inside the opening of the first display device 1.
FIG. 4 shows a state in which the second display device 2 is pushed down with respect to the first display device 1 to disengage the first and second display devices 1 and 2. Thus, the first and second display devices 1 and 2 are separable from each other and satisfy their functions in an independent state.
That is, even when the first and second display devices 1 and 2 are separated from each other, information such as a calendar is displayed on the digital display unit 10 by the control circuit board 105 provided in the first display device 1, and the second display The time information is displayed on the analog display unit 20 by the circuit board and the drive wheel train in the movement 2A provided in the apparatus 2.

Further, when the first and second display devices 1 and 2 are separated from each other, the screen display mode of the digital display unit 10 of the first display device 1 is changed and the date and time are corrected by operating the push button 115. Can be performed. Time adjustment for changing the indication positions of the hour hand 221, the minute hand 222, and the second hand 223 of the second display device 2 can be performed by pulling and rotating the winding stem 25 with the crown 26.
Note that by removing the second display device 2 from the first display device 1, the push button 115 can be operated from the inner peripheral side opening of the button arrangement portion 116 of the first display device 1.
The crown 26 of the second display device 2 is not exposed to the outside and cannot be operated when the second display device 2 is engaged inside the opening of the first display device 1. By disengaging the second display device 2, the crown 26 can be operated in the same manner as a normal analog timepiece.

  When attaching the second display device 2 to the first display device 1, the second display device 2 is inserted from below the first display device 1 into the opening of the first display device. At this time, the step portion 212 of the second display device 2 is locked to the step portion 113 on the inner periphery of the first display device 1, and by adjusting the circumferential position of the second display device 2 with respect to the first display device 1, The click ball 215 on the outer periphery of the second display device 2 engages with the recess 114 on the inner periphery of the first display device 1, and the first and second display devices 1 and 2 are connected to each other.

According to this embodiment, the following effects can be obtained.
(1) In the hybrid timepiece of the present embodiment in which the second display device 2 is provided inside the opening of the first display device 1 that is a cylindrical body, the inner peripheral space of the first display device 1 is effectively utilized. Therefore, the overall size of the watch does not increase.
Further, since the second display device 2 can be attached to and detached from the first display device 1, there is no inconvenience in operation of the crown 26, and the first display device and the second display device 2 are separated from each other. But it can be used to satisfy each function.
Since the first and second display devices 1 and 2 are independent from each other, the existing analog movement 2A can be used for the second display device 2 as in this embodiment. This can greatly reduce the manufacturing cost.

(2) Since the first display device 1 and the second display device 2 are made independent as a two-body structure, and these are configured to be detachable, the external operation member such as the crown 26 is made to be first and second. In the state where the display devices 1 and 2 are combined, it can be configured not to be exposed to the outside, and a clean appearance can be realized. Further, dust adhesion to the crown 26 and the like can be prevented.

(3) Since each of the first display device 1 and the second display device 2 is independent, quality assurance such as waterproofness becomes easy.

(4) Furthermore, by having the curved digital display unit 10 and the flat analog display unit 20, a timepiece having an unconventional structure can be realized. Since the digital display unit 10 and the analog display unit 20 are different from each other, the information displayed on the digital display unit 10 and the analog display unit 20 can be easily discriminated, and the watch can be easily viewed.

(5) Since the first display device 1 and the second display device 2 have a recess 114 and a click ball 215 that are engaged with each other, the first display device 1 and the second display device 2 can be easily separated. The first display device 1 and the second display device 2 can be easily operated.
In addition, since the concave portion 114 and the click ball 215 are provided between the inner peripheral portion of the first display device 1 and the outer peripheral portion of the second display device 2 so as not to be exposed to the outside, the appearance of the watch can be improved.

(6) Since the watch of this embodiment is attached by the band 3 attached to the can 112 of the first display device 1, unlike the display part of the conventional wristwatch or portable device, the display part is provided on the outer peripheral side surface part. A clock with a novel external design in which the (digital display unit 10) is arranged can be provided.

(7) A hybrid timepiece in which two different types of display devices are combined by combining the first display device 1 having the digital display unit 10 with the second display device 2 having the analog display unit 20 having a different display format. Can provide.
As described above, since the first and second display devices 1 and 2 are configured independently, it is possible to provide a hybrid timepiece that is easy to manufacture and low-cost without complicating the structure.

(8) Since the two-piece structure of the first and second display devices 1 and 2 can hide the crown 26 or the like normally provided in an analog watch from the outside, a watch with a clean appearance as described above is provided. it can. That is, the appearance design of the timepiece can be improved without being restricted by the presence of an external operation member such as the crown 26.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIGS.
FIG. 5 is an exploded perspective view of the timepiece of the present embodiment, and FIG. 6 is a side sectional view. The timepiece of the present embodiment includes a first display device 4 that is a cylindrical body and a second display device 5 that is provided inside the opening. In the embodiment, the band 3 is provided in the first display device 1, but in the present embodiment, the band 3 is provided in the second display device 5. Except for this point, the basic structure of the first and second display devices 4 and 5 of the present embodiment is substantially the same as the first and second display devices 1 and 2 of the embodiment.

The barrel 410 in the case 41 of the first display device 4 is not provided with a can as in the above embodiment.
On the other hand, a flange 511 protrudes from the lower end portion of the case 510 of the case 51 in the second display device 5, and a can 512 to which the band 3 is attached protrudes from the flange 511.
That is, in the present embodiment, the first display device 1 can be removed above the second display device 5 attached to the arm or the like with the band 3, and the first and second display devices 4 and 5 are engaged. The concave portion 414 and the click ball 515, which are the portions, are provided on the upper end side (FIG. 6).
In addition, in the state which the 1st display apparatus 4 and the 2nd display apparatus 5 united like FIG. 6, the push button 115 of the 1st display apparatus 4 and the crown 26 of the 2nd display apparatus 5 can be operated. However, as shown in FIG. 5, when the first display device 4 is pushed up above the second display device 5, both the push button 115 and the crown 26 can be operated.

According to this embodiment, the following effects can be obtained.
(9) Since the other display device (first display device 4) can be attached to and detached from the upper side with respect to one display device (second display device 5) attached with the band 3, it remains attached. The first display device 4 can be attached and detached, and convenience can be improved.

(10) Since the push button 115 provided on the first display device 4 is covered with the flange 511 of the second display device 5, the appearance of the watch can be further improved and dust can be prevented from adhering to the push button 115.

[Modification of the present invention]
Although the present invention has been specifically described in the above embodiments, the present invention can be variously modified and improved without departing from the gist of the present invention.

  In each of the above embodiments, the mounting band is provided in the can provided in either the first or second display device, but the configuration of the watch band is not limited thereto. For example, like the band 6 of FIG. 7, the main body of each display device 1 and 2 is provided in the hole formed in the band 6, and the band between the trunk of the first display device or the second display device and the back cover. A configuration in which the first display device 1 or the second display device 2 is implanted in the band 6 with the peripheral edge of the hole interposed therebetween may be adopted.

  The present invention is not limited to the timepiece described above, but can be applied to various display devices such as a diving computer, a measuring instrument, a mobile phone, and a PDA (Personal Digital Assistants).

Although the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, the present invention is not limited to this. That is, the invention has been illustrated and described primarily with respect to particular embodiments, but may be configured for the above-described embodiments without departing from the scope and spirit of the invention. Various modifications can be made by those skilled in the art in terms of materials, quantity, and other detailed configurations.
Therefore, the description limited to the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such restrictions is included in this invention.

1 is an external perspective view of a hybrid timepiece that is a first embodiment of the present invention. A side sectional view of the timepiece. The schematic diagram which shows the electrophoresis layer of a display panel. The exploded perspective view of the timepiece. The disassembled perspective view of the hybrid timepiece which is 2nd embodiment of this invention. A side sectional view of the timepiece. The external appearance perspective view of the hybrid timepiece which is a modification of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,4 ... 1st display apparatus (cylindrical body), 2,5 ... 2nd display apparatus, 2A ... Analog movement (analog display clock body), 3, 6 ... Band, 10 * ··· Digital display portion (peripheral display portion), 11, 41 ··· Case, 20 ··· Analog display portion (planar display portion), 21, 51 ··· Case (case of second display device), 26 · .. Crown (external operation member), 100... Display panel, 112, 512... Can (attachment portion), 114, 414 .. recess (engagement portion), 115. , 510 ... trunk (cylindrical part), 215, 515 ... click ball (engagement part), 221 to 223 ... pointer.

Claims (9)

A cylindrical body having an outer peripheral display portion along the outer peripheral portion,
A display device, wherein a case having a cylindrical portion is detachably provided inside the opening of the cylindrical body. The display device according to claim 1,
A first display device as a cylindrical body having the outer peripheral display portion;
A second display device configured with the case,
Said 2nd display apparatus has a flat display part provided in substantially flat shape in the opening part of said 1st display apparatus. The display apparatus characterized by the above-mentioned. The display device according to claim 1 or 2,
The display device, wherein the outer periphery display unit is an electrophoretic display. The display device according to any one of claims 1 to 3,
The outer peripheral display section is provided over substantially the entire circumferential direction of the first display device. The display device according to any one of claims 1 to 4,
The cylindrical body and the case each have engaging portions that engage with each other while the inner peripheral portion and the outer peripheral portion face each other. The display device according to any one of claims 2 to 5,
At least one of the first and second display devices is a timepiece having a timekeeping unit,
Time display information by the time measuring unit is displayed on at least one of the outer periphery display unit and the flat display unit. The display device according to any one of claims 1 to 6,
One of the cylindrical body and the case is provided with an attachment portion to which a band is attached,
A display device, which is attached by a band attached to the attachment portion. The display device according to any one of claims 2 to 7,
The second display device includes an analog display clock housed in the case,
The analog display timepiece has a pointer as the flat display unit. The display device according to claim 8, wherein
The analog display timepiece has an external operation member that changes an indication position of the pointer at a position facing an inner periphery of the first display device.

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