JPS5830240Y2 - exiodensidium - Google Patents

Description

[Detailed description of the invention] This invention is a time display board that has a liquid crystal sandwiched between a pair of electrode plates coated with an electrode made of a conductive thin film, and has a large number of time display elements formed by a pair of opposing electrodes. The present invention relates to a liquid crystal electronic watch comprising:

Most conventional liquid crystal electronic watches display the time digitally using numbers.

In addition, there were a small number of devices that displayed the time, especially the minutes, at the position of the display element that lit up, but this was done using 60 lead wires derived from 60 element electrodes and one common electrode. A total of 61 lead wires including one lead wire were required.

The present invention has been devised in view of these points, and it is an object of the present invention to provide a liquid crystal electronic timepiece that has a small number of lead wires led out from the electrodes constituting the minute display element and is easy to manufacture.

The configuration of the present invention will be explained below based on illustrative drawings.

What is shown in FIG. 1 is a transmission side electrode plate 1, and what is shown in FIG. 2 is a reflection side electrode plate 2.

The transmission side electrode plate 1 and the reflection side electrode plate 2 are shown in a two-page spread state.

This transmission side electrode plate 1 has a transparent plate 3 made of glass or the like on one side.
One approximately diamond-shaped second display element electrode SS is formed in the center thereof.

Twelve approximately petal-shaped hour display element electrodes 4 are arranged around the outer periphery of the element electrode SS.

These 12 time display element electrodes 4... are 3
Each block is divided into four blocks.

There are three element electrodes H81 and H5 in this one block.
2, H83 are arranged, and the 12 hour display element electrodes 4... are H81, H52, H33, H8.
They are arranged in the order of 3, H82, and H81.

Note that in the drawing, there are two element electrodes H8I. Although H51 and the two element electrodes H53 and H33 are shown in one direction, this is to omit the connecting wire between adjacent element electrodes, and all 12 element electrodes are separated. You can also place it.

At these times, the display element electrodes 4... are symmetrically arranged with respect to the division boundary 5 divided into the blocks, and the element electrodes located at respective symmetrical positions in adjacent blocks are symmetrical. are electrically connected by connecting wires to form three series-connected element electrode groups.

At these times, the outer periphery of the display element electrode 4...
60 approximately rectangular minute display element electrodes 6...
are arranged in a ring.

These display element electrodes 6... are 5 pieces at a time.
It is divided into two blocks, and the arrangement interval of the minute display element electrodes 6 is narrow within the block and wide at the division boundary between the blocks.

There are five element electrodes MS in this one block. M
S2. MS 3. MS 4゜MS5 is placed,
The 60 element electrodes are MS 1. MS 2. MS 3
．． MS 4. MS 5. MS 5. MS 4゜MS 3
．． MS 2. They are arranged in the order of MS 1.

These minute display element electrodes 6 connect element electrodes at symmetrical positions in adjacent blocks with the dividing boundary 7 divided into the blocks as a center of symmetry. Connect with a wire and connect in series in a meandering manner,
A set of device electrodes connected in series is configured.

The second display element electrode SS and the hour display element electrode 4...
...Three element electrodes H located in the first block inside
81, H32, H53, minute display element electrode 6...
...Five element electrodes MSI located in the first block inside
.

MS 2. MS 3. MS 4. Lead wires 8' for supplying pulse signals are derived from the MS 5, respectively.

On the other hand, the reflective side electrode plate 2 has, on one side of a transparent plate 9 made of glass or the like, one approximately diamond-shaped seconds display common electrode SC facing the seconds display element electrode SS at its center. It is.

On the outer periphery of this seconds display common electrode
The common electrodes 10 for time display are arranged.

In these cases, the display common electrode 10 is made of HCl.
These common electrodes HCI to HC4 are composed of four types, HC2, HC3, and HC4, and these common electrodes HCI to HC4 are respectively connected to the three element electrodes Is1. It is arranged to face H52 and H83.

On the outer periphery of these hour display common electrodes 10..., there are 12 approximately rectangular minute display common electrodes 11...
...is placed.

These common electrodes 11 for display are composed of MC1 to MC12, and these common electrodes MCI to MC12 are electrically distributed so as to face the five element electrodes MSI to MS5 located in the block, respectively.

The second display common electrode SC and the hour display common electrode HC1
Lead wires 12 for supplying pulse signals are derived from the minute display common electrodes MCI to MC12.

These lead wires 12 are connected through through holes 13 formed around the reflective side electrode plate 2, respectively.
Conductive rubber 14 arranged on the back side of this reflective side electrode plate 2.
It is electrically connected to...

Lead wires 8 for element electrodes connected to the transmission side electrode plate 1
. . . The conductive rubber 14 .
... are electrically connected to each other.

Element electrodes SS, 4..., 6..., common electrodes SC, 10..., 11... configured on these transmission side electrode plate 1 and reflection side electrode plate 2 ....

Connection wire and lead wire 8..., 12...
is formed by coating the plate 3.9 with a transparent conductive thin film such as tin oxide or indium oxide.

The other surface of the reflective electrode plate 2 is coated with a reflective material such as aluminum foil to form a reflective surface.

The transmission side electrode plate 1 and the reflection side electrode plate 2 are arranged with the coated sides of the electrodes facing each other, and a liquid crystal (not shown) is interposed between these electrode plates.

On the back of the reflective side electrode plate 2, 26 pieces of conductive rubber 1 are arranged.
4... are arranged in a circumferential manner as shown in FIG.

These conductive rubbers 14... are connected to the element electrode or common electrode and the lead wires 8..., 12... with the relationship shown in Table 1. It is electrically connected.

Two types of pulse signals (hereinafter referred to as segment pulses) are applied to the element electrodes SS, 4..., 6...
It is configured to supply VSeg 1 and VSeg 2.

That is, contact No. 1 to 4 and contact No.
, 22 to 26 conductive rubbers 14, . . . are configured to selectively apply each segment pulse VSeg 1 or VSeg 2.

On the other hand, the common electrodes 5C910..., 11...
..., three types of pulse signals (hereinafter referred to as common pulses) vCOM1, VCOM2 . We are preparing to supply VCOM3.

That is, the conductive rubbers of contacts No. 5 to 21 each have a common pulse VCOM 1. VCOM 2. VC
OM 3 To the total application t< It is configured.

These segment pulses VSegl. VSeg 2 and common pulse ■C0M1. ■What is C0M2゜VCOM3?
As mentioned above, the pulses are applied selectively to the element electrode and the common electrode, but the combination of these segment pulses and the common pulse drives or drives the liquid crystal located between the electronic electrode and the common electrode. It is configured to cause the display element to blink or turn off.

The blinking or turning off of the display element is preferably achieved by a combination of common pulses and segment pulses as shown in Table 2.

That is, the common pulses vCOM1 to vCOM3 and the segment pulses VSeg1°VSeg2 are configured to satisfy the following conditions.

Common pulse VCOM3 is segment pulse VSeg
1 and VSeg 2, the display element is destroyed.

Common pulse VCOM2 is segment pulse VSeg
Only when combined with segment pulse VSeg2, the display element is turned into a dot, and when combined with segment pulse VSeg2, the display element is turned off.

Common pulse VCOM1 is segment pulse VSeg
1 or VSeg 2, the display element will be destroyed.

Second display is a segment pulse VSe applied to the element electrode SS.
By constantly supplying gl and alternately supplying common pulses VCOM1 and VCOM3 to the common electrode SC every second, the second display element blinks once every second.

To display the hour, segment pulses VSegl and VSeg2 are supplied to the element electrodes H8I to H33, and the common electrode H
Common pulse VCOM2. to C1 to HC4. By supplying VCOM3, a single hour display element is lit and 1
This is done by sequentially moving the lighting positions that vary over time.

That is, first, the common electrode H of all blocks of hour display elements
Common pulse VCOM3 is supplied to C1 to HC4, and segment pulse V is supplied to element electrodes H31 to H83 of all blocks.
Supply Seg2.

In the broken state, all of the time display elements are off.

Next, the pulses of the common electrode HC1 are switched to VCOM2, and the pulses of the common electrodes HC2 to HC4 are kept as VCOM3.

In this state, a segment pulse VS is applied to the element electrode H31.
Supply eg 1.

With this, the display element lights up when it is at the 12 o'clock position.

At this time, the element electrode H31 located in the second to fourth blocks
. . . is also supplied with VSeg 1, but since VCOM3 is supplied to the common electrodes HC2 to HC4, the display elements of the other blocks remain in the off state.

Perform the following operations every hour. Next, element electrode H3I
The pulse of the element electrode H32 is switched to VSeg 2, and at the same time, the pulse of the element electrode H32 is switched to VSeg 1.

As a result, the lighting position of the hour display element shifts to the 1 o'clock position.

Next, the pulse of the element electrode H32 is switched to VSeg 2, and the pulse of the element electrode H83 is switched to VSeg 2.

As a result, the lighting position of the hour display element shifts to the 2 o'clock position.

Next, the pulse of the common electrode HC1 is switched to VCOM3, and the pulse of the common electrode HC2 is switched to VCOM2.

As a result, the lighting position of the hour display element shifts to the 3 o'clock position.

Next, the pulse of the element electrode H82 is switched to VSeg l, and the pulse of the element electrode H33 is switched to VSeg 2.

With this, the lighting position of the hour display element is shifted to the 4 o'clock position.

Next, the pulse of the element electrode H51 is switched to VSeg 1, and the pulse of the element electrode H82 is switched to VSeg 2.

As a result, the lighting position of the hour display element shifts to the 5 o'clock position.

Next, the pulse of the common electrode HC2 is switched to VCOM3, and the pulse of the common electrode HC3 is switched to VCOM2.

With this, the lighting position of the hour display element is shifted to the 6 o'clock position.

Thereafter, by repeating the operations after 1 o'clock every hour, it is possible to display the hours from 7 o'clock to 12 o'clock.

The minute display is performed by supplying segment pulses Seg1°WSeg2 to the element electrodes MS1 to MS5, and supplying common pulses VCOM1 to VCOM to the common electrodes MC1 to MC12.
3, the display elements are sequentially and cumulatively lit.

That is, first, the common electrode M of all blocks of minute display elements
A common pulse VCOM3 is supplied to C1 to MC12, and a segment pulse VSeg2 is supplied to element electrodes MSI to MS5 of all blocks.

In this state, all of the minute display elements are off.

Thereafter, the following operations are performed sequentially every minute.

First, the pulse of the common electrode MCI is switched to vCOM2, and the pulses of the common electrodes MC2 to MC12 are kept as VCOM3.

In this state, the pulses of the device electrodes MS1 to MS5 are applied to M
Sl.

MS 2. MS 3. MS 4. Switch to VSegl in MS5 order.

As a result, the display elements located in the first block sequentially transition from a blank state to a dot state every minute.

At this time, the voltage is also applied to the corresponding element electrodes of the second block to the twelfth block, which are electrically connected to the element electrodes MS1 to MS5 in the first block. A pulse VSeg l is being transmitted.

However, since the common pulse VCOM3 is supplied to each of the common electrodes MC2 to MC12 from the second block to the twelfth block, each display element in these blocks maintains a blank state. There is.

In this state, when all the display elements in the first block transition to the dot state, the pulse of the common electrode MC1 is switched to VCOM1, and at the same time the segment pulse supplied to the element electrodes in the first block is switched to VCOM1. VSeg 1 to VS
Switch to eg2.

At the same time, the common pulse VCOM3 that is being supplied to the common electrode MC2 is switched to VCOMl, and the
The pulse of the element electrode in this second block is set to H35°H8
4, H83, H82, H81 order VSeg2 VS
Switch to eg 1.

As a result, each display element in this second block sequentially transitions from a blank state to a dot state.

During this time, the common pulse VCO is applied to the common electrodes MC1, .
Since M1 is being supplied, the display elements in the first block maintain the dot state.

As a result, the display elements of the second block can be cumulatively illuminated from the display elements of the first block.

Furthermore, when all the display elements of the second block have transitioned to the dot state, the pulse of the common electrode MC2 is switched to VCOM1, and at the same time the segment pulse is switched to VSeg2.

Then, the pulse of the common electrode MC3 is changed from VCOM3 to VC.
At the same time as switching to OM2, the segment pulse of this third block is applied to the element electrode H8I.

H82, H33, H54, H85 (7) in order, VSeg
Switch from 2 to VSeg 1.

During this time, since the common pulse VCOM1 is supplied to the common electrode MCI and the common electrode MC2, the display elements located in the first block and the second block maintain the dot state.

Moreover, since the common pulse VCOM3 is supplied to the common electrode MC4 to common electrode MC12, each display element
It remains in a state of extinction.

As a result, the display elements in the third block are sequentially transferred to the point state, and the display elements from the first block to the third block can be cumulatively turned on.

Below, in the same order, the common pulse of each common electrode is
Switch from VCOM3 to VCOM2, and sequentially switch segment pulses from VSeg2 to VSeg1.

As a result, the display elements in each block sequentially go from a blank state to a dot state, and at the moment when the next block is reached,
The common pulse is switched from VCOM2 to VCOMl, the segment pulse is switched from VSeg 1 to VSeg 2, and the common pulse of the next common electrode is switched from VCOM3 to VCOM2.

As a result, each display element in the block that is cumulatively turned on is held in the dot state, and the display elements that are still in the off state are transferred to the dot state every minute.

When the display elements of the final block all transition to the dot state, the common pulse supplied to all blocks is applied to the VC
Switch to OM3 and supply segment pulses to all segment electrodes to VSeg 2 to restore the initial state.

As a result, all display elements are turned off.

This completes one cycle of the minute display.

In summary, the present invention consists of an element electrode in which 60 element electrodes are divided into 12 blocks of 5 each on one electrode plate, and symmetrical positions are formed with the dividing boundary between these blocks as the center of symmetry. The element electrodes on the other electrode plate are connected in series in a meandering manner by connecting wires, and on the other electrode plate,
Since the block is composed of 12 common electrodes facing the element electrodes in the block, the minutes can be displayed by cumulatively lighting display elements, and the time can be perceived with the sense of a conventional pointer. However, the number of lead wires led out from each electrode can be reduced, and the device can be easily constructed.

Moreover, since the device electrodes are connected to each other in a meandering manner, the connection lines can be formed on the same surface, making patterning of the electrodes easy.

In addition, since the arrangement interval of the element electrodes is widened at the dividing boundary of the block, the alignment of the element electrodes and the common electrode is rough, making it easier to assemble the time display board, and the display itself is in 5-minute increments. This makes it easier to read the time.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the transmission side electrode plate in a two-page spread state, Figure 2 is a diagram showing the reflection side electrode plate in a two-page spread state, and Figure 3 is a diagram showing the transmission side electrode plate in Figure 1 and the reflection side electrode in Figure 2. FIG. 4 is a view showing the back of the reflective side electrode plate, and FIG. DESCRIPTION OF SYMBOLS 1...Transmission side electrode plate, 2...Reflection side electrode plate, 4...Hour display element electrode, 5...
・Divide boundary part of element electrode for hour display, 6... element electrode for minute display, 7... division boundary part of element electrode for minute display, 8... element electrode Lead wire for supplying pulse signals to, 10...Common electrode for hour display, 11.
... Common electrode for minute display, 12 ... Lead wire for supplying pulses to the common electrode, 13 ... Through hole, 14 ... Conductive rubber.

Claims (1)

[Scope of utility model registration request] In a liquid crystal electronic watch equipped with a time display panel having a liquid crystal sandwiched between a pair of electrode plates coated with an electrode made of a conductive thin film, and having a large number of time display elements formed by a pair of opposing electrodes, one of the above-mentioned The 60 element electrodes for minute display provided on the electrode plate are divided into 12 blocks with 5 elements per block and the electrode arrangement interval between blocks is wider than the electrode arrangement interval within the block. , a common electrode is provided corresponding to each block to face the element electrode within the block, and the element electrodes of all the blocks are arranged symmetrically with respect to the dividing boundary of the block between adjacent blocks. are connected in series in a meandering manner with a common connection via a connecting line, and lead wires for supplying pulse signals are led out from the five element electrodes located at the beginning of the block and each of the common electrodes, respectively. LCD electronic clock.