CN108646541B - Moving point display device and electronic watch - Google Patents
Moving point display device and electronic watch Download PDFInfo
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- CN108646541B CN108646541B CN201810668122.6A CN201810668122A CN108646541B CN 108646541 B CN108646541 B CN 108646541B CN 201810668122 A CN201810668122 A CN 201810668122A CN 108646541 B CN108646541 B CN 108646541B
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention belongs to the field of electronic watches, and discloses a moving point display device and an electronic watch, wherein the moving point display device comprises a display driving circuit and a display screen, the display screen is circumferentially provided with a plurality of sector areas, the sector areas are sequentially arranged, and each sector area comprises at least one sector sub-area; wherein the display driving circuit includes: a port selection signal generation module for generating a port selection signal; a 60-ary time signal generation module for generating a 60-ary time signal; and a plurality of driving modules connected with the port selection signal generating module and the 60-system time signal generating module and used for generating driving signals according to the port selection signal and the 60-system time signal; the driving modules are respectively connected with the fan-shaped areas in a one-to-one correspondence manner, and drive the fan-shaped subareas to be sequentially turned on or turned off clockwise or anticlockwise so as to indicate the change of time; the chip area is reduced, the cost is reduced, and the market competitiveness of the product is improved.
Description
Technical Field
The invention belongs to the field of electronic watches, and particularly relates to a moving point display device and an electronic watch.
Background
The electronic watches adopting integrated circuit design in the traditional market are various in variety, but various watches are all good in all kinds, the watches are not difficult to find that all the watches have a common characteristic, the watch is attractive in appearance, the dial display is single, only simple display time and date can generate a cheap feeling over time, some manufacturers adopt a microprocessor scheme to program in order to enable the display to display some dynamic contents, and the factory cost is indirectly improved by a grade.
The microprocessor scheme can be understood as being written by a software program, the area of the chip is fixed, the area is large, and the production cost is high.
Disclosure of Invention
The invention provides a moving point display device and an electronic watch, and aims to solve the problems of large area and high cost of the moving point display device in the prior art.
The invention is realized in that a moving point display device comprises a display driving circuit and a display screen, wherein the display screen is circumferentially provided with a plurality of sector areas, the sector areas are sequentially arranged, and each sector area comprises at least one sector subarea;
wherein the display driving circuit includes:
a port selection signal generation module for generating a port selection signal;
a 60-ary time signal generation module for generating a 60-ary time signal; and
a plurality of driving modules connected with the port selection signal generating module and the 60-system time signal generating module and used for generating driving signals according to the port selection signal and the 60-system time signal;
the driving modules are respectively connected with the fan-shaped areas in a one-to-one correspondence manner, and the driving modules drive the fan-shaped subareas to be sequentially lightened or extinguished clockwise or anticlockwise so as to indicate time conversion.
The invention also provides an electronic watch comprising the moving point display device.
The embodiment of the invention comprises a display driving circuit and a display screen, wherein the display screen is circumferentially provided with a plurality of sector areas, the sector areas are sequentially arranged, and each sector area comprises at least one sector subarea; wherein the display driving circuit includes: a port selection signal generation module for generating a port selection signal; a 60-ary time signal generation module for generating a 60-ary time signal; and a plurality of driving modules connected with the port selection signal generating module and the 60-system time signal generating module and used for generating driving signals according to the port selection signal and the 60-system time signal; the driving modules are respectively connected with the fan-shaped areas in a one-to-one correspondence manner, and drive the fan-shaped subareas to be sequentially turned on or turned off clockwise or anticlockwise so as to indicate the change of time; because the driving module is designed through the integrated circuit, the chip area is reduced, the cost is reduced, and the market competitiveness of the product is improved.
Drawings
In order to more clearly illustrate the technical invention in the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to those of ordinary skill in the art.
FIG. 1 is a schematic block diagram of a moving point display device according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a driving module of a display device according to an embodiment of the present invention;
fig. 3 is a block diagram of a first to a third lighting and extinguishing modules in a driving module of a driving device according to an embodiment of the present invention;
FIG. 4 is a schematic block diagram of a first lighting and extinguishing module in a driving module of a display device according to an embodiment of the present invention;
FIG. 5 is a schematic block diagram of a second lighting and extinguishing module in a driving module of a display device according to an embodiment of the present invention;
fig. 6 is a schematic block diagram of a third lighting and extinguishing module in a driving module of a moving point display device according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a display screen of a moving point display device according to an embodiment of the present invention;
fig. 8 is a display effect diagram of a display screen of a moving point display device according to an embodiment of the present invention;
fig. 9 is a block diagram of a module schematic of a lighting module from a first lighting module to a third lighting module of the dynamic point display device according to the embodiment of the present invention;
fig. 10 is a block diagram of a schematic diagram of a blanking module from a first to a third lighting and blanking module of the moving point display device according to the embodiment of the present invention;
fig. 11 is a schematic circuit diagram of a first lighting module of a lighting display device according to an embodiment of the present invention;
fig. 12 is a schematic circuit diagram of a second lighting module of a dynamic lighting display device according to an embodiment of the present invention;
fig. 13 is a schematic circuit diagram of a third lighting module of a third lighting and extinguishing module of a dynamic lighting display device according to an embodiment of the present invention;
fig. 14 is a schematic circuit diagram of a fourth lighting and extinguishing module of the moving point display device according to the embodiment of the present invention;
fig. 15 is a schematic circuit diagram of a first extinction module in a first extinction module of a moving point display device according to an embodiment of the present invention;
fig. 16 is a schematic circuit diagram of a second extinguishing module of the moving point display device according to the embodiment of the present invention;
fig. 17 is a schematic circuit diagram of a third extinguishing module in a third extinguishing module of a moving point display device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 shows a block structure of a moving point display device according to an embodiment of the present invention, and for convenience of explanation, only a portion related to the embodiment of the present invention is shown, and the details are as follows:
the moving point display device comprises a display drive circuit 001 and a display screen 002, wherein the display screen 002 defines a plurality of sector areas 002i along the circumferential direction, the sector areas 002i are sequentially arranged, and each sector area 002i comprises at least one sector subarea;
wherein the display driving circuit 001 includes:
a port selection signal generation module 01 for generating a port selection signal.
In implementations, the port selection signals may include a first port selection signal, a second port selection signal, and a third port selection signal.
A 60-ary time signal generation module 02 for generating a 60-ary time signal; and
a plurality of driving modules 12i connected to the port selection signal generating module 01 and the 60-system time signal generating module 02 for generating driving signals based on the port selection signal and the 60-system time signal.
The plurality of driving modules 12i are respectively connected with the plurality of sector areas 002i in a one-to-one correspondence manner, and the driving modules 12i drive each sector subarea to be turned on or off in turn clockwise or anticlockwise so as to indicate the change of time.
In particular implementations, the 60-ary time signal may include a first time signal, a second time signal, a third time signal, a fourth time signal, a fifth time signal, and a sixth time signal.
Wherein the first time signal is a binary encoded first bit signal of bits of 60 ary time; the second time signal is a binary coded second bit signal of bits of 60-ary time; the third time signal is a binary coded third bit signal of bits of 60 system time; the fourth time signal is a binary coded fourth bit signal of bits of 60 system time; the fifth time signal is a ten-bit binary coded first bit signal of 60-bit time; the sixth time signal is a ten bit binary coded second bit signal of 60 bits in time. The first time signal to the sixth time signal comprise a normal phase signal and an inverse phase signal.
The sector area 002i is also connected to a port selection signal generation module 01, and the driving module 12i and the port selection signal generation module 01 drive each sector sub-area to be turned on or off sequentially clockwise or counterclockwise to instruct the change of time.
The display screen 002 includes a first sector area, a second sector area, a third sector area, and a fourth sector area arranged in order in the circumferential direction.
The first fan-shaped area comprises a first fan-shaped sub-area, a second fan-shaped sub-area and a third fan-shaped sub-area which are sequentially arranged along the circumferential direction; the second sector area comprises a fourth sector sub-area, a fifth sector sub-area and a sixth sector sub-area which are sequentially arranged along the circumferential direction; the third sector area comprises a seventh sector sub-area, an eighth sector sub-area and a ninth sector sub-area which are sequentially arranged along the circumferential direction. The fourth sector area includes a tenth sector sub-area.
As shown in fig. 2, the driving modules include a first driving module 121, a second driving module 122, a third driving module 123, and a fourth driving module 124.
Wherein the first driving module 121 includes: a first light-off module 03 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a first light-off signal according to the port selection signal and the 60-system time signal; the first lighting and extinguishing signal is composed of a lighting signal and a first extinguishing signal through a time sharing mechanism; and a first display driving module 07 connected to the first light-off module 03 and the first sector area for generating a first display driving signal according to the first light-off signal.
Wherein the second driving module 122 includes: a second light-off module 04 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a second light-off signal according to the port selection signal and the 60-system time signal; the second lighting and extinguishing signal is composed of a second lighting signal and a second extinguishing signal through a time sharing mechanism; and the second display driving module 08 is connected with the second lighting and extinguishing module 04 and the second fan-shaped area and is used for generating a second display driving signal according to the second lighting and extinguishing signal.
Wherein the third driving module 123 includes: a third light-off module 05 connected with the port selection signal generation module 01 and the 60-system time signal generation module 02 and used for generating a third light-off signal according to the port selection signal and the 60-system time signal; the third lighting and extinguishing signal is composed of a third lighting signal and a third extinguishing signal through a time sharing mechanism; and a third display driving module 09 connected with the third lighting and extinguishing module 05 and the third sector area for generating a third display driving signal according to the third lighting and extinguishing signal.
Wherein the fourth driving module 124 includes: a fourth light-off module 06 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a fourth light-off signal according to the port selection signal and the 60-system time signal; and a fourth display driving module 10 connected with the fourth lighting and extinguishing module 06 and the fourth sector area and used for generating a fourth display driving signal according to the fourth lighting and extinguishing signal.
As shown in fig. 3, the first, second, and third extinction modules 03, 04, and 05 may each include:
a lighting module 0i1 connected to the port selection signal generation module 01 and the 60-system time signal generation module 02 for generating a lighting signal according to the port selection signal and the 60-system time signal; the lighting signal is composed of three sub-lighting signals through a time-sharing mechanism.
A blanking module 0i2 connected with the port selection signal generation module 01 and the 60-system time signal generation module 02 and used for generating a blanking signal according to the port selection signal and the 60-system time signal; the extinction signal is composed of three sub extinction signals through a time sharing mechanism.
And a data selection module 0i3 connected with the lighting module, the extinguishing module and the 60-system time signal generation module 02 and used for selecting and outputting a lighting signal or an extinguishing signal according to the 60-system time signal.
As shown in fig. 4, the first lighting and extinguishing module 03 includes:
a first lighting module 031 connected to the port selection signal generating module 01 and the 60-system time signal generating module 02, for generating a first lighting signal according to the port selection signal and the 60-system time signal. The first lighting signal is composed of a first sub lighting signal, a second sub lighting signal and a third sub lighting signal through a time sharing mechanism.
A first blanking module 032 connected to the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a first blanking signal according to the port selection signal and the 60-system time signal. The first extinction signal is composed of a first sub extinction signal, a second sub extinction signal and a third sub extinction signal through a time sharing mechanism.
A first data selection module 033 connected to the first lighting module 031, the first extinguishing module 032 and the 60-system time signal generation module 02, and configured to select and output a first lighting signal or a first extinguishing signal according to the 60-system time signal. Specifically, the first data selecting module 033 selects to output the first on signal or the first off signal according to the fifth time signal.
As shown in fig. 5, the second lighting extinction module 04 includes:
and a second lighting module 041 connected with the port selection signal generation module 01 and the 60-system time signal generation module 02 and used for generating a second lighting signal according to the port selection signal and the 60-system time signal. The second lighting signal is composed of a fourth sub lighting signal, a fifth sub lighting signal and a sixth sub lighting signal through a time sharing mechanism.
And a second blanking module 042 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a second blanking signal according to the port selection signal and the 60-system time signal. The second extinction signal is composed of a fourth sub extinction signal, a fifth sub extinction signal and a sixth sub extinction signal through a time sharing mechanism.
And a second data selecting module 043 connected with the second lighting module 041, the second extinguishing module 042 and the 60-system time signal generating module 02 and used for selectively outputting a second lighting signal or a second extinguishing signal according to the 60-system time signal. Specifically, the second data selecting module 043 selects to output the second on signal or the second off signal according to the fifth time signal.
As shown in fig. 6, the third lighting extinction module 05 includes:
a third lighting module 051 connected with the port selection signal generating module 01 and the 60 system time signal generating module 02 and used for generating a third lighting signal according to the port selection signal and the 60 system time signal; the third lighting signal is composed of a seventh sub-lighting signal, an eighth sub-lighting signal, and a ninth sub-lighting signal by a time division mechanism.
A third blanking module 052 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a third blanking signal according to the port selection signal and the 60-system time signal; the third extinction signal is composed of a seventh extinction signal, an eighth extinction signal and a ninth extinction signal through a time sharing mechanism.
And a third data selection module 053 connected with the third lighting module 051, the third extinguishing module 052 and the 60-system time signal generation module 02 and used for selecting and outputting a third lighting signal or a third extinguishing signal according to the 60-system time signal. Specifically, the third data selection module 053 selects to output the third on signal or the third off signal according to the fifth time signal.
In a specific implementation, the display screen 002 may be circular as shown in fig. 7, or may be polygonal. The first sector subarea displays according to the first port selection signal and the first display driving signal; the second sector subarea displays according to the second port selection signal and the first display driving signal; the third sector subarea displays according to the third port selection signal and the first display driving signal; the fourth sector subarea displays according to the first port selection signal and the second display driving signal; the fifth sector subarea displays according to the second port selection signal and the second display driving signal; the sixth sector-shaped subarea displays according to the third port selection signal and the second display driving signal; the seventh fan-shaped subarea is displayed according to the first port selection signal and the third display driving signal; the eighth sector-shaped subarea displays according to the second port selection signal and the third display driving signal; the ninth sector subarea displays according to the third port selection signal and the third display driving signal; the tenth sector sub-area is displayed according to the second port selection signal and the fourth display driving signal. Thereby realizing the circle lighting effect as shown in fig. 8, which lights up in a clockwise running water way until all lights up, turns off in a clockwise running water way, 20 changes a cycle, 20 changes states are divided into two groups in the figure, one group is to turn on 10 points of a circle clockwise (a change of a value of 0 to 9 in a unit of a period of 20), one group is to turn off 10 points of a circle clockwise (a change of a value of 10 to 19 in a unit of a period of 20), and two groups are combined into one change period.
The moving point display device adopts an integrated circuit design scheme to carry out the display design of moving points, and the modularized processing can be conveniently integrated into any electronic watch, so that colors can be added to the original display, the display is not monotonous, and other expensive schemes are not needed. The integrated circuit design scheme is compared with the microprocessor design scheme, the field effect transistor is adopted in the design process, the design process is relatively complex, logic is required to be strong, the integrated area is small, the cost of industrial production is low, and the integrated circuit has relatively large scalability in the face of the market.
As shown in fig. 9, each lighting module 0i1 includes:
a first sub-lighting module 0i11 connected to the port selection signal generation module 01 and the 60-system time signal generation module 02 for generating a first sub-lighting signal according to the port selection signal and the 60-system time signal.
And a second sub-lighting module 0i12 connected to the port selection signal generation module 01 and the 60-system time signal generation module 02 for generating a second sub-lighting signal according to the port selection signal and the 60-system time signal.
And a third sub-lighting module 0i13 connected to the port selection signal generation module 01 and the 60-system time signal generation module 02 and used for generating a third sub-lighting signal according to the port selection signal and the 60-system time signal.
As shown in fig. 10, each extinction module includes:
a first sub-blanking module 0i21 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a first sub-blanking signal according to the port selection signal and the 60-system time signal.
And a second sub-blanking module 0i22 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a second sub-blanking signal according to the port selection signal and the 60-system time signal.
And a third sub-blanking module 0i23 connected with the port selection signal generating module 01 and the 60-system time signal generating module 02 and used for generating a third sub-blanking signal according to the port selection signal and the 60-system time signal.
Fig. 11 shows an exemplary circuit structure of the first lighting module 031 of the moving point display device according to the embodiment of the present invention, and for convenience of explanation, only the portions related to the embodiment of the present invention are shown in detail as follows:
the first sub-lighting module 0311 of the first lighting module 03 includes a first fet M1, a second fet M2, a third fet M3, a fourth fet M4, a fifth fet M5, a sixth fet M6, a seventh fet M7, an eighth fet M8, a ninth fet M9, and a tenth fet M10.
The source electrode of the first field effect transistor M1 is connected to the first power supply VDD, the gate electrode of the first field effect transistor M1, the gate electrode of the second field effect transistor M2, the gate electrode of the third field effect transistor M3, the gate electrode of the eighth field effect transistor M8, the gate electrode of the ninth field effect transistor M9 and the gate electrode of the tenth field effect transistor M10 together form a 60-system time signal end of the first sub-lighting module 0311, and the gate electrode of the fourth field effect transistor M4, the gate electrode of the fifth field effect transistor M5 and the gate electrode of the sixth field effect transistor M6 together form a port selection signal end of the first sub-lighting module 0311; the drain electrode of the fifth field effect transistor M5 and the drain electrode of the sixth field effect transistor M6 together form an output end of the first lighting module 031; the source of the seventh field effect transistor M7, the source of the eighth field effect transistor M8, the source of the ninth field effect transistor M9, and the source of the tenth field effect transistor M10 are commonly connected to the power ground.
The drain electrode of the first field effect tube M1 is connected with the source electrode of the second field effect tube M2, the drain electrode of the second field effect tube M2 is connected with the source electrode of the third field effect tube M3, the drain electrode of the third field effect tube M3 is connected with the source electrode of the fourth field effect tube M4, the drain electrode of the fourth field effect tube M4 is connected with the source electrode of the fifth field effect tube M5, and the source electrode of the sixth field effect tube M6 is connected with the drain electrode of the seventh field effect tube M7, the drain electrode of the eighth field effect tube M8, the drain electrode of the ninth field effect tube M9 and the drain electrode of the tenth field effect tube M10.
The second sub-lighting module 0312 of the first lighting module 03 includes an eleventh fet M11, a twelfth fet M12, a thirteenth fet M13, a fourteenth fet M14, a fifteenth fet M15, a sixteenth fet M16, a seventeenth fet M17, an eighteenth fet M18, a nineteenth fet M19, a twentieth fet M20, a twenty-first fet M21, a twenty-second fet M22, a twenty-third fet M23, a twenty-fourth fet M24, a twenty-fifth fet M25, and a twenty-sixth fet M26.
The source of the eleventh fet M11 and the source of the fourteenth fet M14 are commonly connected to the first power supply VDD, the gate of the eleventh fet M11, the gate of the twelfth fet M12, the gate of the thirteenth fet M13, the gate of the fourteenth fet M14, the gate of the fifteenth fet M15, the gate of the sixteenth fet M16, the gate of the twentieth fet M20, the gate of the twenty-first fet M21, the gate of the twenty-second fet M22, the gate of the twenty-third fet M23, the gate of the twenty-fourth fet M24, and the gate of the twenty-fifth fet M25 together form a 60 th time signal terminal of the second sub-lighting module 0312, and the gate of the seventeenth fet M17, the gate of the eighteenth fet M18, the gate of the nineteenth fet M19, and the gate of the twenty-sixth fet M26 together form a port selection signal terminal of the second sub-lighting module 0312; the drain electrode of the eighteenth field effect transistor M18 and the drain electrode of the nineteenth field effect transistor M19 together form an output end of the second sub-lighting module 0312; the source electrode of the twenty-third field effect transistor M23, the source electrode of the twenty-fourth field effect transistor M24, the source electrode of the twenty-fifth field effect transistor M25 and the source electrode of the twenty-sixth field effect transistor M26 are commonly connected to the power ground.
The eleventh fet M11 drain is connected to the twelfth fet M12 source, the twelfth fet M12 drain is connected to the thirteenth fet M13 source, the fourteenth fet M14 drain is connected to the fifteenth fet M15 source, the fifteenth fet M15 drain is connected to the sixteenth fet M16 source, the thirteenth fet M13 drain is connected to the sixteenth fet M16 drain and to the seventeenth fet M17 source, the seventeenth fet M17 drain is connected to the eighteenth fet M18 source, the nineteenth fet M19 source is connected to the twentieth fet M20 drain, the twenty first fet M21 drain, the twenty second fet M22 drain, and the twenty sixth fet M26 drain, and the twenty first fet M20 source is connected to the twenty first fet M21 source, the twenty second fet M22 source, the twenty third fet M23 drain, the twenty fourth fet M24 drain, and the twenty fifth fet M25 drain.
The third sub-lighting module 0313 of the first lighting module 03 includes a twenty-seventh field effect transistor M27, a twenty-eighth field effect transistor M28, a twenty-ninth field effect transistor M29, a thirty-eighth field effect transistor M30, a thirty-eleventh field effect transistor M31, a thirty-eighth field effect transistor M32, a thirty-third field effect transistor M33, a thirty-fourth field effect transistor M34, a thirty-fifth field effect transistor M35, a thirty-sixteen field effect transistor M36, a thirty-seventh field effect transistor M37, and a thirty-eighth field effect transistor M38.
The source electrode of the twenty-seventh field effect transistor M27 is connected to the first power supply VDD, the gate electrode of the twenty-seventh field effect transistor M27, the gate electrode of the twenty-eighth field effect transistor M28, the gate electrode of the twenty-ninth field effect transistor M29, the gate electrode of the thirty-fourth field effect transistor M30, the gate electrode of the thirty-fifth field effect transistor M34, the gate electrode of the thirty-sixth field effect transistor M36 and the gate electrode of the thirty-seventh field effect transistor M37 together form a 60-system time signal end of the third sub-lighting module 0313, and the gate electrode of the thirty-first field effect transistor M31, the gate electrode of the thirty-second field effect transistor M32, the gate electrode of the thirty-third field effect transistor M33 and the gate electrode of the thirty-eighth field effect transistor M38 together form a port selection signal end of the third sub-lighting module 0313; the drain electrode of the thirty-second field effect transistor M32 and the drain electrode of the thirty-third field effect transistor M33 together form an output end of the third sub-lighting module 0313; the source of the thirty-fourth fet M34, the source of the thirty-fifth fet M35, the source of the thirty-sixth fet M36, the source of the thirty-seventh fet M37, and the source of the thirty-eighth fet M38 are commonly connected to the power ground.
The source of the twenty-eighth fet M20 is connected to the source of the twenty-first fet M21, the source of the twenty-second fet M22, the drain of the twenty-third fet M23, the drain of the twenty-fourth fet M24, and the drain of the twenty-fifth fet M25, the drain of the twenty-seventh fet M27 is connected to the source of the twenty-eighth fet M28, the drain of the twenty-eighth fet M28 is connected to the source of the twenty-ninth fet M29, the drain of the twenty-ninth fet M29 is connected to the source of the thirty-first fet M30, the drain of the thirty-first fet M30 is connected to the source of the thirty-first fet M31, the source of the thirty-third fet M33 is connected to the drain of the thirty-fourth fet M34, the drain of the thirty-fifth fet M35, the drain of the thirty-sixth fet M36, the drain of the thirty-seventh fet M37, and the eighth fet M38.
Fig. 12 illustrates an exemplary circuit structure of the second lighting module 041 of the moving point display device provided in the embodiment of the present invention, and only a portion related to the embodiment of the present invention is illustrated for convenience of explanation.
Fig. 13 illustrates an exemplary circuit structure of a third lighting module 051 of the moving point display apparatus provided in the embodiment of the present invention, and only a portion related to the embodiment of the present invention is illustrated for convenience of explanation.
Fig. 14 shows an exemplary circuit structure of the fourth lighting and extinguishing module 06 of the moving point display device according to the embodiment of the present invention, and for convenience of explanation, only the portions related to the embodiment of the present invention are shown, and details are as follows:
the fourth lighting and extinguishing module comprises a nineteenth field effect transistor M99, a first hundred field effect transistor M100, a first hundred-zero first field effect transistor M101, a first hundred-zero second field effect transistor M102, a first hundred-zero third field effect transistor M103 and a first hundred-zero fourth field effect transistor M104.
The source electrode of the nineteenth field effect tube M99 is connected with the first power supply VDD, the grid electrode of the nineteenth field effect tube M99, the grid electrode of the first hundred-zero three field effect tube M103 and the grid electrode of the first hundred-zero four field effect tube M104 jointly form a 60-system time signal end of the fourth lighting and extinguishing module, the grid electrode of the first hundred-zero one field effect tube M100, the grid electrode of the first hundred-zero one field effect tube M101 and the grid electrode of the first hundred-zero two field effect tube M102 jointly form a port selection signal end of the fourth lighting and extinguishing module, the drain electrode of the first hundred-zero one field effect tube M101 and the drain electrode of the first hundred-zero two field effect tube M102 jointly form an output end of the fourth lighting and extinguishing module, and the source electrode of the first hundred-zero three field effect tube M103 and the source electrode of the first hundred-zero four field effect tube M104 are jointly connected to the power supply ground.
The drain electrode of the ninety-ninth field effect transistor M99 is connected with the source electrode of the first hundred field effect transistor M100, the drain electrode of the first hundred field effect transistor M100 is connected with the source electrode of the first hundred-zero first field effect transistor M101, and the source electrode of the first hundred-zero second field effect transistor M102 is connected with the drain electrode of the first hundred-zero third field effect transistor M103 and the drain electrode of the first hundred-zero fourth field effect transistor M104.
Fig. 15 illustrates an example circuit structure of the first extinction module 032 of the moving point display device provided in the embodiment of the present invention, and only a portion related to the embodiment of the present invention is illustrated for convenience of explanation.
Fig. 16 illustrates an exemplary circuit structure of the second extinguishing module 042 of the moving point display device according to the embodiment of the present invention, and for convenience of explanation, only a portion related to the embodiment of the present invention is illustrated.
Fig. 17 illustrates an example circuit structure of the third extinguishing module 052 of the moving point display device provided by the embodiment of the present invention, and for convenience of explanation, only a portion related to the embodiment of the present invention is illustrated.
In fig. 11 to 17, a is a positive first time signal, A1 is an inverted first time signal, B is a positive second time signal, B1 is an inverted second time signal, C is a positive third time signal, C1 is an inverted third time signal, D is a positive fourth time signal, D1 is an inverted fourth time signal, Y11 is a first on signal, Y12 is a first off signal, Y21 is a second on signal, Y22 is a second off signal, Y31 is a third on signal, Y32 is a third off signal, Y4 is a fourth on off signal, E is a positive first port selection signal, E1 is an inverted first port selection signal, F is a positive Xiang Di two port selection signal, F1 is an inverted second port selection signal, G is a positive third port selection signal, G1 is an inverted third port selection signal, and M is a full selection signal.
In addition, the invention also provides an electronic watch, which comprises the moving point display device.
The following further describes the operation of fig. 11 in conjunction with the principle of operation:
in a specific implementation process, the first lighting signal Y11 is composed of a first sub-lighting signal output by the output end of the first sub-lighting module 0311, a second sub-lighting signal output by the output end of the second sub-lighting module 0312, and a third sub-lighting signal output by the output end of the third sub-lighting module 0313 through a time sharing mechanism.
When the first port selection signal is active, the first sub-lighting module 0311 generates a first sub-lighting signal according to the inverted first time signal A1, the inverted second time signal B1, the inverted third time signal C1, and the inverted fourth time signal D1.
When the second port selection signal is active, the second sub-lighting module 0312 generates a second sub-lighting signal according to the inverted second time signal B1, the inverted third time signal C1, and the inverted fourth time signal D1.
When the third port selection signal is active, the third sub-lighting module 0313 generates a third sub-lighting signal according to the inverted first time signal A1, the inverted second time signal B1, the inverted third time signal C1, and the inverted fourth time signal D1.
The first, second, and third port selection signals sequentially turn on the first, second, and third sub-lighting modules 0311, 0312, and 0313 to generate a first lighting signal Y11.
Similarly, the principle of operation of fig. 12 to 17 is analogized.
The embodiment of the invention comprises a display driving circuit and a display screen, wherein the display screen is circumferentially provided with a plurality of sector areas, the sector areas are sequentially arranged, and each sector area comprises at least one sector subarea; wherein the display driving circuit includes: a port selection signal generation module for generating a port selection signal; a 60-ary time signal generation module for generating a 60-ary time signal; and a plurality of driving modules connected with the port selection signal generating module and the 60-system time signal generating module and used for generating driving signals according to the port selection signal and the 60-system time signal; the driving modules are respectively connected with the fan-shaped areas in a one-to-one correspondence manner, and drive the fan-shaped subareas to be sequentially lightened or extinguished clockwise or anticlockwise so as to indicate the time change. The method comprises the steps of carrying out a first treatment on the surface of the Because the driving module is designed through the integrated circuit, the chip area is reduced, the cost is reduced, and the market competitiveness of the product is improved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The moving point display device is characterized by comprising a display driving circuit and a display screen, wherein the display screen is circumferentially provided with a plurality of sector areas, the sector areas are sequentially arranged, and each sector area comprises at least one sector subarea;
wherein the display driving circuit includes:
a port selection signal generation module for generating a port selection signal;
a 60-ary time signal generation module for generating a 60-ary time signal; and
a plurality of driving modules connected with the port selection signal generating module and the 60-system time signal generating module and used for generating driving signals according to the port selection signal and the 60-system time signal;
the driving modules are respectively connected with the fan-shaped areas in a one-to-one correspondence manner, and drive the fan-shaped subareas to be sequentially lightened or extinguished clockwise or anticlockwise so as to indicate the time conversion;
the display screen comprises a first sector area, a second sector area, a third sector area and a fourth sector area which are sequentially arranged along the circumferential direction;
the first sector area comprises a first sector sub-area, a second sector sub-area and a third sector sub-area which are sequentially arranged along the circumferential direction;
the second sector area comprises a fourth sector sub-area, a fifth sector sub-area and a sixth sector sub-area which are sequentially arranged along the circumferential direction;
the third sector area comprises a seventh sector sub-area, an eighth sector sub-area and a ninth sector sub-area which are sequentially arranged along the circumferential direction; the fourth sector-shaped region includes a tenth sector-shaped sub-region;
the first sector subarea displays according to a first port selection signal and a first display driving signal; the second sector subarea displays according to a second port selection signal and the first display driving signal; the third sector subarea displays according to a third port selection signal and the first display driving signal; the fourth sector-shaped subarea is displayed according to the first port selection signal and the second display driving signal; the fifth sector sub-area displays according to the second port selection signal and the second display driving signal; the sixth sector-shaped subarea is displayed according to the third port selection signal and the second display driving signal; the seventh fan-shaped subarea is displayed according to the first port selection signal and a third display driving signal; the eighth sector-shaped subarea is displayed according to the second port selection signal and the third display driving signal; the ninth sector sub-area displays according to the third port selection signal and the third display driving signal; and displaying the tenth fan-shaped subarea according to the second port selection signal and a fourth display driving signal.
2. The moving point display device of claim 1, wherein the driving module comprises a first driving module, a second driving module, a third driving module, and a fourth driving module;
the first driving module includes:
a first on-off module connected with the port selection signal generation module and the 60-system time signal generation module and used for generating a first on-off signal according to the port selection signal and the 60-system time signal; the first lighting and extinguishing signal is composed of a first lighting signal and a first extinguishing signal through a time sharing mechanism;
the first display driving module is connected with the first lighting and extinguishing module and the first fan-shaped area and is used for generating a first display driving signal according to the first lighting and extinguishing signal;
the second driving module includes:
a second on-off module connected with the port selection signal generation module and the 60-system time signal generation module and used for generating a second on-off signal according to the port selection signal and the 60-system time signal; the second lighting and extinguishing signal is composed of a second lighting signal and a second extinguishing signal through a time sharing mechanism;
the second display driving module is connected with the second lighting and extinguishing module and the second sector area and is used for generating a second display driving signal according to the second lighting and extinguishing signal;
the third driving module includes:
a third on-off module connected with the port selection signal generation module and the 60-system time signal generation module and used for generating a third on-off signal according to the port selection signal and the 60-system time signal; the third lighting and extinguishing signal is composed of a third lighting signal and a third extinguishing signal through a time sharing mechanism;
the third display driving module is connected with the third lighting and extinguishing module and the third sector area and is used for generating a third display driving signal according to the third lighting and extinguishing signal;
the fourth driving module includes:
a fourth on-off module connected to the port selection signal generation module and the 60-system time signal generation module for generating a fourth on-off signal according to the port selection signal and the 60-system time signal;
and the fourth display driving module is connected with the fourth lighting and extinguishing module and the fourth sector area and is used for generating a fourth display driving signal according to the fourth lighting and extinguishing signal.
3. The dynamic point display device of claim 2, wherein the first, second, and third light-off modules each comprise:
the lighting module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating the lighting signal according to the port selection signal and the 60-system time signal; the lighting signal is composed of three sub-lighting signals through a time-sharing mechanism;
the extinction module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating the extinction signal according to the port selection signal and the 60-system time signal; the extinction signals consist of three sub extinction signals through a time sharing mechanism;
and the data selection module is connected with the lighting module, the extinguishing module and the 60-system time signal generation module and is used for selectively outputting the lighting signal or the extinguishing signal according to the 60-system time signal.
4. The moving point display device of claim 3, wherein each of the lighting modules comprises:
the first sub-lighting module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating a first sub-lighting signal according to the port selection signal and the 60-system time signal;
the second sub-lighting module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating a second sub-lighting signal according to the port selection signal and the 60-system time signal;
and the third sub-lighting module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating a third sub-lighting signal according to the port selection signal and the 60-system time signal.
5. The moving point display device of claim 3, wherein the extinguishing module comprises:
the first sub-extinction module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating a first sub-extinction signal according to the port selection signal and the 60-system time signal;
the second sub-extinction module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating a second sub-extinction signal according to the port selection signal and the 60-system time signal;
and the third sub-extinction module is connected with the port selection signal generation module and the 60-system time signal generation module and is used for generating a third sub-extinction signal according to the port selection signal and the 60-system time signal.
6. The moving point display device according to claim 2, wherein the fourth lighting and extinguishing module comprises a nineteenth fet, a first hundred-zero first fet, a first hundred-zero second fet, a first hundred-zero third fet, and a first hundred-zero fourth fet;
the source electrode of the nineteenth field effect transistor is connected with a first power supply, the grid electrode of the nineteenth field effect transistor, the grid electrode of the first hundred-zero three field effect transistor and the grid electrode of the first hundred-zero four field effect transistor jointly form a 60-system time signal end of the fourth lighting and extinguishing module, the grid electrode of the first hundred-zero one field effect transistor, the grid electrode of the first hundred-zero two field effect transistor and the grid electrode of the first hundred-zero two field effect transistor jointly form a port selection signal end of the fourth lighting and extinguishing module, the drain electrode of the first hundred-zero one field effect transistor and the drain electrode of the first hundred-zero two field effect transistor jointly form an output end of the fourth lighting and extinguishing module, and the source electrode of the first hundred-zero three field effect transistor and the source electrode of the first hundred-zero four field effect transistor are jointly connected with a power supply ground;
the drain electrode of the nineteenth field effect transistor is connected with the source electrode of the first hundred field effect transistor, the drain electrode of the first hundred field effect transistor is connected with the source electrode of the first hundred-zero first field effect transistor, and the source electrode of the first hundred-zero second field effect transistor is connected with the drain electrode of the first hundred-zero third field effect transistor and the drain electrode of the first hundred-zero fourth field effect transistor.
7. The moving point display device of claim 1, the sector area further connected to the port selection signal generation module.
8. An electronic timepiece comprising the moving point display device according to any one of claims 1 to 7.
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| CN201810668122.6A CN108646541B (en) | 2018-06-26 | 2018-06-26 | Moving point display device and electronic watch |
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| CN201810668122.6A CN108646541B (en) | 2018-06-26 | 2018-06-26 | Moving point display device and electronic watch |
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|---|---|---|---|---|
| JP2000187086A (en) * | 1998-12-24 | 2000-07-04 | Molten Corp | Timer clock |
| CN1374630A (en) * | 2001-03-05 | 2002-10-16 | 精工爱普生株式会社 | Panel drive control device and its method watch type information apparatus |
| CN107016950A (en) * | 2015-10-27 | 2017-08-04 | 三星电子株式会社 | Method of operating an electronic device and the electronic equipment for supporting this method |
| CN208607490U (en) * | 2018-06-26 | 2019-03-15 | 宗仁科技(平潭)有限公司 | The dynamic point display device of one kind and electronic watch |
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2018
- 2018-06-26 CN CN201810668122.6A patent/CN108646541B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000187086A (en) * | 1998-12-24 | 2000-07-04 | Molten Corp | Timer clock |
| CN1374630A (en) * | 2001-03-05 | 2002-10-16 | 精工爱普生株式会社 | Panel drive control device and its method watch type information apparatus |
| CN107016950A (en) * | 2015-10-27 | 2017-08-04 | 三星电子株式会社 | Method of operating an electronic device and the electronic equipment for supporting this method |
| CN208607490U (en) * | 2018-06-26 | 2019-03-15 | 宗仁科技(平潭)有限公司 | The dynamic point display device of one kind and electronic watch |
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