CN113160731A - Display driver with warning light function and mobile device - Google Patents
Display driver with warning light function and mobile device Download PDFInfo
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- CN113160731A CN113160731A CN202010015655.1A CN202010015655A CN113160731A CN 113160731 A CN113160731 A CN 113160731A CN 202010015655 A CN202010015655 A CN 202010015655A CN 113160731 A CN113160731 A CN 113160731A
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- 230000001960 triggered effect Effects 0.000 claims abstract description 9
- 230000006870 function Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
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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
Abstract
A display driver with warning lamp function comprises a display driving circuit, a counter and a plurality of warning lamp settings, wherein the display driving circuit drives a display panel to display, the counter counts in a plurality of counting sections, the plurality of warning lamp settings respectively correspond to the plurality of counting sections, each warning lamp setting comprises a position track and a line segment length of a warning lamp on the display panel, wherein when the display driver is triggered to display frame data corresponding to instant messages on the display panel, the counter starts counting, and according to the counting value of the counter and the counting section where the counting value is located, the position track and the line segment length in the corresponding warning lamp setting are used, and the warning lamps are displayed on the display panel.
Description
Technical Field
The present invention relates to a display driver with a warning light function and a mobile device having the display driver.
Background
The existing Always On Display (AOD) technology is a mobile phone which can Display time, battery remaining capacity, even incoming call message, push message and other functions in partial area of the screen in the state of a panel screen. In the AOD enabled state, when the mobile phone receives an instant message sent by an Application Processor (AP), the mobile phone also displays a Notification of the instant message in a partial area of the screen, and since the screen originally displays an AOD-related message, the user is likely to ignore the display of the instant message, so that a Notification light (Notification light) function is provided to apply the mobile phone in a standby and dashboard state, and when the mobile phone receives the instant message sent by the AP, the mobile phone synchronously triggers the warning light function to synchronously light a warning light signal on the dashboard to remind the user.
In the existing mobile phones supporting the function of the warning light, the lighting positions of the warning light on the panel are pre-set by the AP on different display frames and stored in the memory space. When the function of the warning light is triggered, the AP transmits the processed display frames to a driving chip for panel display in sequence, and the driving chip receives the display frames transmitted by the AP and then displays the display frames on the panel. In this way, not only a large amount of memory space is consumed to store the display frame of the warning light, but also the AP needs to transmit the display frame to the driver chip all the time, and the battery power of the mobile phone is consumed rapidly due to frequent transmission, which cannot meet the requirements of low power consumption and long standby time of the conventional mobile phone.
Therefore, there are still many defects in the design of the function of the existing warning light and the need for improvement.
Disclosure of Invention
The present invention is directed to a display driver and a mobile device with a warning light function, wherein the warning light function is implemented on the display driver, so that when the warning light function is triggered, the display driver can automatically control the position of a display panel to be lighted without sending a display frame to the display driver all the time, thereby improving the problem of accelerated battery power consumption caused by frequent transmission.
According to an aspect of the present invention, a display driver is provided, which includes: a display driving circuit for driving a display panel to display; a counter for counting in the plurality of counting sections; and a plurality of warning lamp settings respectively corresponding to the plurality of counting sections, wherein each warning lamp setting comprises a position track and a line segment length of the warning lamp on the display panel, when the display driver is triggered to display the picture frame data corresponding to the instant message on the display panel, the counter starts counting, and the warning lamp is displayed on the display panel by using the position track and the line segment length in the corresponding warning lamp setting according to the counting value of the counter and the counting section in which the counter is positioned.
According to another aspect of the present invention, a mobile device having the display driver is provided, wherein the mobile device provides a display appearance mode of a permanent screen.
The foregoing summary, as well as the following detailed description, is exemplary in nature and is intended to further illustrate the present invention as claimed, and other objects and advantages of the invention will be apparent from the following description and drawings.
Drawings
FIG. 1 is a schematic diagram of a mobile device with a warning light according to the present invention.
Fig. 2 shows the corresponding relationship between the counter and the alarm lamp setting in the display driver of the present invention.
Fig. 3(a) shows the position trajectory of the warning lamp setting S (1) and the count value of the counter in the counting section C (1).
Fig. 3(B) shows the position trajectory of the warning lamp setting S (2) and the count value of the counter in the counting section C (2).
Fig. 3(C) shows the position trajectory of the warning lamp setting S (3) and the count value of the counter in the counting section C (3).
Fig. 3(D) shows the position trajectory of the warning lamp setting S (4) and the count value of the counter in the counting section C (4).
Fig. 3(E) shows the position trajectory of the warning lamp setting S (5) and the count value of the counter in the counting section C (5).
Description of the symbols:
Counter 33
Tracks 301,302,303,304,305
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific examples described herein are merely illustrative of the embodiments of the invention and are not intended to limit the invention.
Fig. 1 is a schematic diagram of a mobile device with a warning light function according to the present invention, the mobile device includes a display panel 10, an application processor 20 and a display driver 30, wherein the display panel 10 is used for displaying various information of the mobile device, the application processor 20 provides operation processing, graphic processing and communication control of the mobile device for executing an operating system, a user interface, an application program, and the like, the display driver 30 includes a driving circuit 31, a plurality of warning light settings 32 and a counter 33, and the driving circuit 31 is used for driving the display panel 10 to display frame data, instant messages, AOD messages, warning lights, and the like.
With the mobile device of the present invention, when the display driver 30 is triggered by the application processor 20 to display the frame data corresponding to the instant message on the display panel 10, the driving circuit 31 displays the warning lights on the display panel 10 according to the count value of the counter 33 and the content of the warning light setting 32, as shown in fig. 2, the corresponding relationship between the counter 33 and the warning light setting 32 is shown in fig. 2, wherein the warning light settings 32 are exemplarily shown as warning light settings S (1), S (2), S (3) …, S (N), where N is an integer greater than 1, each warning light setting 32 is preset with information such as a position track and a line length of the warning light on the display panel 10, the counter 33 is counted in a plurality of counting sections, and fig. 2 exemplarily shows a plurality of counting sections as counting sections C (1), C (2), C (3) …, c (N), the counting sections C (1), C (2), C (3) …, C (N) are respectively corresponding to the warning light settings S (1), S (2), S (3) …, S (N). Accordingly, when the display driver 30 is triggered to display the warning light, the counter 33 starts counting, and the driving circuit 31 uses the corresponding position track and segment length in the warning light setting 32 to display the warning light on the display panel 10 according to the counting value of the counter 33 and the counting segment where the counter is located.
Further, as shown in fig. 2, the counter 33 starts counting from an initial value, such as 0, so that the counter 33 starts counting from 0 and then counts up to a count value, wherein the count value is from 0 to c1Is located in a counting section C (1) and the counting value is C1+1 to c2Is located in a counting section C (2) and the counting value is C2+1 to c3Is positionIn counting section C (3), and so on, the counting value is CN-1+1 to cNIs located in the counting section C (N), since the counter 33 continues to count, when the count value is ci-1+1 to ci) When located in a specific counting section C (i) (1)<＝i<N), the position track and the segment length in s (i) are set by using the corresponding warning lamp, and along with the change of the counting value, the warning lamp pixel points not exceeding the segment length of s (i) are displayed on the display panel 10 along the position track of s (i). Accordingly, with the continuous counting of the counter 33 and the continuous change of the counting value, the display of the warning light not only follows the position tracks set by different warning lights, but also the displayed pixel points of the warning light change along with the change of the counting value, thereby achieving a better warning effect.
In addition, since the display driver 30 is triggered by the application processor 20 to display the corresponding instant message, the pixel points of the warning light are displayed on the display panel 10 together with the frame data of the corresponding instant message, and the display time of the frame data and the frame data of the corresponding instant message are substantially the same, that is, the time taken by the counter 33 to count the frame data of the corresponding instant message in the plurality of counting sections is substantially the same. The mobile device of the present invention can provide an Always On Display (AOD) Display mode, for example, the mobile device can be an AOD mobile phone to effectively remind the user of the generation of an instant message by the Display of a warning light.
Fig. 3(a) to 3(E) illustrate an exemplary process of triggering the warning light function on the mobile device according to the present invention, in which the display driver 30 has 5 warning light settings S (1) to S (5), and the counter 33 starts to count up from 0 to 5 counting segments C (1) to C (5), first, referring to fig. 3(a), the position track of the warning light setting S (1) is the track 301 from top to bottom on the left and right sides of the display panel 10, the segment length of the warning light setting S (1) is P pixel points, where P is an integer greater than 1, such as 32, the length of the counting segment C (1) is substantially equal to the height of the display panel 10, that is, the counting value of the counting segment C (1) is 0 to C1Panel _ H-1, where Panel _ H represents the display Panel 10Height. Accordingly, when the counter 33 counts in the counting section C (1), the driving circuit 31 lights up the warning lamps from top to bottom on the left and right sides of the display panel 10 based on the count value of the counter 33, and the length of the lighted warning lamps does not exceed P pixels.
Referring to fig. 3(B), the position track of the warning light S (2) is set as a track 302 from left to right and from right to left on the bottom side of the display panel 10, the length of the line segment of the warning light S (2) is set to P pixels, where P is an integer greater than 1, for example, 32, the length of the counting segment C (2) is substantially equal to the width of the display panel 10 minus a first default value, that is, the counting value of the counting segment C (2) is C1+1 to c2＝c1+ ((Panel _ W-1) -Th1), where Panel _ W represents the width of the display Panel 10, and Th1 represents a first default value, such as half the position of the last pixel of the display Panel 10 to light up. Accordingly, when the counter 33 counts in the counting section C (2), the driving circuit 31 lights up the warning lamps from left to right and from right to left on the bottom side of the display panel 10 based on the count value of the counter 33, and the length of the lighted warning lamps does not exceed P pixels.
Referring to fig. 3(C), the position track of the warning light S (3) is set as a track 303 from the bottom to the top of the left and right sides of the display panel, the length of the line segment of the warning light S (3) is set as P pixel points, where P is an integer greater than 1, for example, 32, the length of the counting segment C (3) is substantially equal to the height of the display panel 10, that is, the counting value of the counting segment C (3) is C2+1 to c3＝c2+ (Panel _ H-1), where Panel _ H represents the height of the display Panel 10. Accordingly, when the counter 33 counts in the counting section C (3), the driving circuit 31 lights up the warning lamps from bottom to top on the left and right sides of the display panel 10 based on the count value of the counter 33, and the length of the lighted warning lamps does not exceed P pixels.
Referring to fig. 3(D), the position track of the warning light S (4) is set as a track 304 from left to right and from right to left on the top side of the display panel 10, the length of the line segment of the warning light S (4) is set as P pixel points, where P is an integer greater than 1, such as 32, and the length of the counting segment C (4) is substantially equal to the display surfaceThe width of the plate 10 minus a second predetermined value, i.e., the count value of the count section C (4) is C3+1 to c4＝c3+ ((Panel _ W-1) -Th2), where Panel _ W represents the width of the display Panel 10, and Th2 represents a first default value, such as half the position of the first pixel of the display Panel 10 to be lit. Accordingly, when the counter 33 counts in the counting section C (4), the driving circuit 31 lights up the warning lamps from left to right and from right to left on the top side of the display panel 10 based on the count value of the counter 33, and the length of the lighted warning lamps does not exceed P pixels.
Finally, referring to fig. 3(E), the position track of the warning light S (5) is set as a track 305 inclined from top to bottom at two ends of the top side of the display panel 10, the length of the line segment of the warning light S (5) is set as P pixel points, where P is an integer greater than 1, such as 32, the length of the counting segment C (5) is equal to a third default value, that is, the counting value of the counting segment C (5) is C4+1 to c5＝c4+ Th3, where Th3 represents a third default value, e.g., equal to the segment length of P pixels. Accordingly, when the counter 33 counts in the counting section C (5), the driving circuit 31 lights up the warning lamps from the upper slope to the lower slope at the two ends of the top side of the display panel 10 based on the counting value of the counter 33, and lights up the pixels of the warning lamps one by one at each end until P pixels of the warning lamps are lighted up.
The above-mentioned processes of lighting the warning lights shown in fig. 3(a) to 3(E) can generate the warning light effect similar to the ticker at the periphery of the effective display range of the display panel 10, and since the display of the warning light is determined by the driving circuit 31 using the counter 33 at the position where the warning light of the currently displayed frame is to be lighted, and further the complicated display effect of the warning light is generated according to the timing when the warning light is lighted at different positions, since the display frame of the complicated and large warning light does not need to be stored in advance, and the application processor 20 does not need to transmit the display frame of the warning light to the display driver 30 all the time, the memory space can be saved and the problem of battery power consumption caused by frequent transmission can be improved.
The above-described embodiments are merely exemplary for convenience in explanation, and the scope of the claims of the present invention should be determined by the claims and not limited to the above-described embodiments.
Claims (13)
1. A display driver having a warning light function, comprising:
a display driving circuit for driving a display panel to display;
a counter for counting in the plurality of counting sections; and
and a plurality of warning lamp settings respectively corresponding to the plurality of counting sections, wherein each warning lamp setting comprises a position track and a line segment length of the warning lamp on the display panel, when the display driver is triggered to display the picture frame data corresponding to the instant message on the display panel, the counter starts counting, and the warning lamps are displayed on the display panel by using the position track and the line segment length in the corresponding warning lamp setting according to the counting value of the counter and the counting section in which the counter is positioned.
2. The display driver of claim 1, wherein when the display driver is triggered by an application processor to display frame data corresponding to an instant message on the display panel, the counter starts counting from an initial value to a count value, and uses the position track and the segment length in the corresponding warning light setting according to the counting segment where the count value is located, and as the count value changes, displays the warning light pixel points not exceeding the segment length along the position track on the display panel.
3. The display driver as claimed in claim 2, wherein the initial value is 0, and the counter counts up from 0 to a count value.
4. The display driver of claim 2, wherein the warning light pixel is displayed on the display panel together with the frame data of the corresponding instant message.
5. The display driver of claim 4, wherein the counter counts the time taken for the plurality of counting segments to be substantially the same as the time taken to display the frame data of the corresponding instant message.
6. The display driver of claim 4, wherein the plurality of warning light settings include a first warning light setting and the plurality of counting sections include a first counting section, in the first warning light setting, the locus of the warning light on the display panel is a top-down locus on the left and right sides of the display panel, the segment length is a plurality of pixel points; the length of the first counting section is approximately equal to the height of the display panel, when the counter counts in the first counting section, the warning lamps are lightened from top to bottom on the left side and the right side of the display panel based on the counting value, and the length of the lightened warning lamps is not more than the plurality of pixel points.
7. The display driver of claim 6, wherein the plurality of warning light settings includes a second warning light setting and the plurality of counting sections includes a second counting section, in the second warning light setting, the locus of the warning lights on the display panel is a left-to-right and right-to-left locus on the bottom side of the display panel, the segment length is a plurality of pixel points; the length of the second counting section is approximately equal to the width of the display panel minus a first default value, when the counter counts in the second counting section, the warning lamps are lightened from left to right and from right to left on the bottom side of the display panel based on the counting value, and the length of the lightened warning lamps does not exceed the plurality of pixel points.
8. The display driver of claim 7, wherein the plurality of warning light settings includes a third warning light setting and the plurality of counting sections includes a third counting section, in the third warning light setting, the locus of the warning light on the display panel is a bottom-up locus on the left and right sides of the display panel, the segment length is a plurality of pixel points; the length of the third counting section is approximately equal to the height of the display panel, when the counter counts in the third counting section, the warning lamps are lightened from bottom to top on the left side and the right side of the display panel based on the counting value, and the length of the lightened warning lamps is not more than the plurality of pixel points.
9. The display driver of claim 8, wherein the plurality of warning light settings includes a fourth warning light setting and the plurality of counting sections includes a fourth counting section, in the fourth warning light setting, the locus of the warning lights on the display panel is a left-to-right and right-to-left locus on the top side of the display panel, the segment length is a plurality of pixel points; the length of the fourth counting section is approximately equal to the width of the display panel minus a second default value, when the counter counts in the fourth counting section, the warning lamps are lightened from left to right and from right to left on the top side of the display panel based on the counting value, and the length of the lightened warning lamps is not more than the plurality of pixel points.
10. The display driver of claim 9, wherein the plurality of warning light settings includes a fifth warning light setting and the plurality of counting sections includes a fifth counting section, in the fifth warning light setting, the locus of the warning light on the display panel is a locus of both ends of the top side of the display panel from upward inclination to downward, the segment length being a plurality of pixel points; the length of the fifth counting section is equal to a third default value.
11. The display driver of claim 10, wherein the third default value is equal to the segment length.
12. A mobile device having a display driver as claimed in any one of claims 1 to 11.
13. The mobile device of claim 12, wherein the mobile device provides a permanent screen display appearance mode.
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| CN202010015655.1A CN113160731B (en) | 2020-01-07 | 2020-01-07 | Display driver with warning light function and mobile device |
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| CN202010015655.1A CN113160731B (en) | 2020-01-07 | 2020-01-07 | Display driver with warning light function and mobile device |
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| CN113160731B (en) | 2024-02-09 |
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