JP2023528706A - 発光基板及び表示装置 - Google Patents
発光基板及び表示装置 Download PDFInfo
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- G09G3/34—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 by control of light from an independent source
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- G09G3/3406—Control of illumination source
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- 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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- G09G3/3406—Control of illumination source
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Abstract
【選択図】図2
Description
(1)本開示の実施例の図面は本開示の実施例に関する構造のみに関し、その他の構造は一般的な設計を参照すればよい。
Claims (14)
- 複数の発光ユニットと、複数の第1電圧線と、複数の第1伝送線とを含む発光基板であって、
前記複数の発光ユニットは第1方向及び第2方向に沿ってN行M列のN*Mアレイに配置され、前記第1方向と前記第2方向は交差し、前記複数の発光ユニットのそれぞれは第1電圧端子を含み、
前記複数の第1電圧線は、複数列の発光ユニットと1対1で対応し、第1電圧信号を伝送するように配置され、前記第1電圧線は、順に接続されている第1部分、第1接続部及び第2部分を含み、
前記第1部分は前記第2方向に沿って延在し、且つ対応する列の第1行の発光ユニットから第Y行の発光ユニットまでの第1電圧端子と電気的に接続され、
前記複数の第1電圧線のうち、少なくとも1つの第1電圧線の第2部分の延在方向は、前記第1方向及び前記第2方向の両方とも夾角を有し、
前記第1接続部は第Y行の発光ユニットと第Y+1行の発光ユニットとの境界に位置し、前記第1部分と前記第2部分とを電気的に接続するように配置され、
前記複数の第1伝送線は前記複数列の発光ユニットと1対1で対応し、前記第1伝送線は、対応する列の第Y+1行の発光ユニットから第N行の発光ユニットまでの第1電圧端子と電気的に接続され、且つ対応する列の発光ユニットに対応する第1電圧線の第1接続部と電気的に接続され、
Nは0よりも大きい整数であり、Mは0よりも大きい整数であり、0<Y<Nであり且つYは整数である、
発光基板。 - 複数の第2電圧線及び複数の第2伝送線をさらに含み、
前記複数の発光ユニットのそれぞれは第2電圧端子をさらに含み、
前記複数の第2電圧線は前記複数列の発光ユニットと1対1で対応し、第2電圧信号を伝送するように配置され、前記第2電圧線は順に接続されている第3部分、第2接続部及び第4部分を含み、
前記第3部分は前記第2方向に沿って延在し、且つ対応する列の第1行の発光ユニットから第Y行の発光ユニットまでの第2電圧端子と電気的に接続され、
前記複数の第2電圧線のうち、少なくとも1つの第2電圧線の第4部分の延在方向は、前記第1方向及び前記第2方向の両方とも夾角を有し、
前記第2接続部は第Y行の発光ユニットと第Y+1行の発光ユニットとの境界に位置し、前記第3部分と前記第4部分とを電気的に接続するように配置され、
前記複数の第2伝送線は前記複数列の発光ユニットと1対1で対応し、前記第2伝送線は、対応する列の第Y+1行の発光ユニットから第N行の発光ユニットまでの第2電圧端子と電気的に接続され、且つ対応する列の発光ユニットに対応する第2電圧線の第2接続部と電気的に接続される、
請求項1に記載の発光基板。 - Y=N-1又はY=N-2である、
請求項1又は2に記載の発光基板。 - 前記第1電圧線と前記第1伝送線は異なる膜層に位置し、前記異なる膜層はビアが設けられていない位置に互いに絶縁されている、
請求項1~3のいずれか一項に記載の発光基板。 - 前記第2電圧線と前記第2伝送線は異なる膜層に位置し、前記異なる膜層はビアが設けられていない位置に互いに絶縁されている、
請求項2に記載の発光基板。 - 前記第1電圧線と前記第2電圧線は同じ層に位置し、前記第1伝送線と前記第2伝送線は同じ層に位置する、
請求項2又は5に記載の発光基板。 - 前記第1電圧信号は駆動電圧信号であり、前記第2電圧信号は共通電圧信号であり、前記第1電圧信号のレベルは前記第2電圧信号のレベルよりも大きく、
又は、前記第1電圧信号は共通電圧信号であり、前記第2電圧信号は駆動電圧信号であり、前記第1電圧信号のレベルは前記第2電圧信号のレベルよりも小さいである、
請求項2又は5に記載の発光基板。 - さらにボンディング領域を含み、前記ボンディング領域は前記発光基板の第N行の発光ユニットに近い周縁に位置し、
前記ボンディング領域は複数のボンディングピンを含み、前記第1電圧線の第2部分は前記複数のボンディングピンのうち、少なくとも1つと電気的に接続され、前記第2電圧線の第4部分は前記複数のボンディングピンのうち、少なくとも1つと電気的に接続される、
請求項2又は5に記載の発光基板。 - 前記第1電圧線の第1部分の前記第1方向における幅は前記第1伝送線の前記第1方向における幅よりも大きく、前記第2電圧線の第4部分の前記第1方向における幅は前記第2伝送線の前記第1方向における幅よりも大きい、
請求項2又は5に記載の発光基板。 - 前記複数の第1伝送線のうち、少なくとも1つの第1伝送線は前記第2方向に沿って延在し、前記複数の第2伝送線のうち、少なくとも1つの第2伝送線は前記第2方向に沿って延在する、
請求項2又は5に記載の発光基板。 - 前記第1方向に沿って延在する複数の第3電圧線及び複数の第4電圧線をさらに含み、
前記複数の第3電圧線の、前記発光基板と平行な平面における正投影は、前記複数の第1電圧線の、前記発光基板と平行な平面における正投影と重なっており、前記複数の第3電圧線はビアにより前記複数の第1電圧線と電気的に接続され、
前記複数の第4電圧線の、前記発光基板と平行な平面における正投影は、前記複数の第2電圧線の、前記発光基板と平行な平面における正投影と重なっており、前記複数の第4電圧線はビアにより前記複数の第2電圧線と電気的に接続され、
前記複数の第3電圧線と前記複数の第4電圧線は同じ層に位置する、
請求項2に記載の発光基板。 - 前記複数の発光ユニットのそれぞれは駆動回路及び複数の発光素子をさらに含み、
前記駆動回路は第1入力端子、第2入力端子、出力端子及び共通電圧端子を含み、前記共通電圧端子は前記第2電圧端子と電気的に接続され、
前記複数の発光素子は順に直列接続され、前記第1電圧端子と前記出力端子との間に接続され、
前記駆動回路は、前記第1入力端子が受信した第1入力信号及び前記第2入力端子が受信した第2入力信号に基づき、第1期間内に前記出力端子により中継信号を出力し、第2期間内に前記出力端子により順に直列接続されている前記複数の発光素子に駆動信号を提供するように配置される、
請求項2又は5に記載の発光基板。 - 前記複数の発光素子は複数のマイクロ発光ダイオードを含む、
請求項12に記載の発光基板。 - 表示装置であって、
表示パネルと、
請求項1~13のいずれか一項に記載の発光基板と、を含み、
前記表示パネルは表示側と、前記表示側の反対側の非表示側とを有し、前記発光基板は前記表示パネルの非表示側にバックライトユニットとして設けられている、
表示装置。
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