Patent ID: 11893170
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A display device, comprising a first acquisition module, a second acquisition module, and a positioning module; wherein
the first acquisition module is configured to obtain first position information of a first laser projection position of a laser pointer light source on a display panel and second position information of a second laser projection position of the laser pointer light source on the display panel;
the second acquisition module is configured to obtain first photosensitive information of the laser pointer light source at the first laser projection position of the display panel and second photosensitive information of the laser pointer light source at the second laser projection position of the display panel; and
the positioning module is configured to determine target position information of the laser pointer light source according to the first position information, the second position information, the first photosensitive information, and/or the second photosensitive information;
wherein the first acquisition module comprises a first acquisition unit and a second acquisition unit, wherein:
the first acquisition unit is configured to obtain first target receiving point position information of a plurality of first target receiving points of the laser pointer light source at the first laser projection position of the display panel and first target photosensitive values respectively corresponding to the plurality of first target receiving points, and to obtain second target receiving point position information of a plurality of second target receiving points of the laser pointer light source at the second laser projection position of the display panel and second target photosensitive values respectively corresponding to the plurality of second target receiving points, wherein the first target receiving points and the second target receiving points are light sensors respectively arranged between pixels of the display panel, the first target receiving points are arranged between adjacent pixels of the display panel, and the second target receiving points are arranged between adjacent pixels of the display panel; and
the second acquisition unit is configured to determine the first position information according to the first target receiving point position information and the first target photosensitive values, and to determine the second position information according to the second target receiving point position information and the second target photosensitive values,
wherein the second acquisition unit comprises a first calculation subunit, the first calculation subunit is configured to perform a first weighted calculation and a second weighted calculation to determine the first position information according to the first target receiving point position information and the first target photosensitive values, and to perform a third weighted calculation and a fourth weighted calculation to determine the second position information according to the second target receiving point position information and the second target photosensitive values;, wherein a formula for the first weighted calculation is:, X
    ⁢
    1
   
   =
   
    
     
      x
      ⁢
      
       1
       ·
       a
      
      ⁢
      1
     
     +
     
      x
      ⁢
      
       2
       ·
       a
      
      ⁢
      2
     
     +
     
      x
      ⁢
      
       3
       ·
       a
      
      ⁢
      3
     
     +
     
      x
      ⁢
      
       4
       ·
       a
      
      ⁢
      4
     
     +
     …
     +
     
      xn
      ·
      an
     
    
    
     
      a
      ⁢
      1
     
     +
     
      a
      ⁢
      2
     
     +
     
      a
      ⁢
      3
     
     +
     
      a
      ⁢
      4
     
     +
     …
     +
     an
    
   
  
  ;, a formula for the second weighted calculation is:, Y
    ⁢
    1
   
   =
   
    
     
      y
      ⁢
      
       1
       ·
       a
      
      ⁢
      1
     
     +
     
      y
      ⁢
      
       2
       ·
       a
      
      ⁢
      2
     
     +
     
      y
      ⁢
      
       3
       ·
       a
      
      ⁢
      3
     
     +
     
      y
      ⁢
      
       4
       ·
       a
      
      ⁢
      4
     
     +
     …
     +
     
      yn
      ·
      an
     
    
    
     
      a
      ⁢
      1
     
     +
     
      a
      ⁢
      2
     
     +
     
      a
      ⁢
      3
     
     +
     
      a
      ⁢
      4
     
     +
     …
     +
     an
    
   
  
  ;, a formula for the third weighted calculation is:, E
    ⁢
    2
   
   =
   
    
     
      e
      ⁢
      
       1
       ·
       b
      
      ⁢
      1
     
     +
     
      e
      ⁢
      
       2
       ·
       b
      
      ⁢
      2
     
     +
     
      e
      ⁢
      
       3
       ·
       b
      
      ⁢
      3
     
     +
     
      e
      ⁢
      
       4
       ·
       b
      
      ⁢
      4
     
     +
     …
     +
     
      em
      ·
      bm
     
    
    
     
      b
      ⁢
      1
     
     +
     
      b
      ⁢
      2
     
     +
     
      b
      ⁢
      3
     
     +
     
      b
      ⁢
      4
     
     +
     …
     +
     bm
    
   
  
  ;, and, a formula for the fourth weighted calculation is:, F
    ⁢
    2
   
   =
   
    
     
      f
      ⁢
      
       1
       ·
       b
      
      ⁢
      1
     
     +
     
      f
      ⁢
      
       2
       ·
       b
      
      ⁢
      2
     
     +
     
      f
      ⁢
      
       3
       ·
       b
      
      ⁢
      3
     
     +
     
      f
      ⁢
      
       4
       ·
       b
      
      ⁢
      4
     
     +
     …
     +
     
      fm
      ·
      bm
     
    
    
     
      b
      ⁢
      1
     
     +
     
      b
      ⁢
      2
     
     +
     
      b
      ⁢
      3
     
     +
     
      b
      ⁢
      4
     
     +
     …
     +
     bm
    
   
  
  ,
 

where (X1, Y1) is the first position information, (x1, y1), (x2, y2), (x3, y3), (x4, y4) . . . (xn, yn) are the first target receiving point position information, a1, a2, a3, a4 . . . an are the first target photosensitive values corresponding to the plurality of first target receiving points; and
(E2, F2) is the second position information, (e1, f1), (e2, f2), (e3, f3), (e4, f4) . . . (em, fm) are the second target receiving point position information, b1, b2, b3, b4 . . . bm are the second target photosensitive values corresponding to the plurality of second target receiving points.